Tech-dat/tech-dat.md
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@@ -51,7 +51,7 @@
51 51
52 52
- [[battery-dat]] - [[battery-rechargerable-dat]] - [[battery-li-dat]] - [[battery-LFP-dat]] - [[Battery-li-Ternary-dat]]
53 53
54
-- [[battery-BMS-dat]]
54
+- [[battery-BMS-dat]] - [[BMS-active-dat]] - [[BMS-passive-dat]]
55 55
56 56
- [[battery-pack-dat]] - [[battery-pack-kit]] - [[battery-pack-materials-dat]]
57 57
battery-dat/battery-BMS-dat/BMS-active-dat/2026-05-20-03-40-37.png
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battery-dat/battery-BMS-dat/BMS-active-dat/BMS-active-dat.md
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@@ -3,6 +3,15 @@
3 3
4 4
- [[battery-pack-dat]]
5 5
6
+- Overcharge Protection
7
+- `Active Balancing Voltage`
8
+- Over-discharge Voltage Protection
9
+- Over-discharge Current Protection
10
+- Short Circuit Protection
11
+- Temperature Control Protection
12
+
13
+![](2026-05-20-03-40-37.png)
14
+
6 15
# active-battery-balancing-board-dat
7 16
8 17
An **active battery balancing board** for lithium batteries ensures that all cells in a battery pack maintain the same voltage level during charging and discharging. It actively redistributes energy between cells, transferring charge from higher-voltage cells to lower-voltage ones. This helps:
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@@ -18,13 +27,13 @@ This is especially important in applications like electric vehicles, power tools
18 27
19 28
## capacitive type active BMS
20 29
21
-- 电容式主动均衡板
22
-- 修电池组压差·
23
-- 恢复电池组容量·
24
-- 延长电池组寿命
25
-- 24小时不间断·
26
-- 自动启动·
27
-- 整体均衡
30
+- Capacitive Active Balancing Board
31
+- Fixes battery pack voltage differential
32
+- Restores battery pack capacity
33
+- Extends battery pack lifespan
34
+- 24/7 continuous operation
35
+- Automatic startup
36
+- Overall balancing
28 37
29 38
30 39
![](2025-08-19-19-19-06.png)
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@@ -48,7 +57,7 @@ For stable discharge, 2 series and 4 parallel (2S4P) are required, and attention
48 57
- When welding the battery for the first time, you need to charge it first to get output. Strictly follow the diagram to connect 0V, 4.2V, and 8.4V. When welding wires, do not touch any components on the board, and do not intentionally short-circuit.
49 58
- When welding the battery for the first time or while charging, as long as any single cell exceeds 4.2V, the "430" resistor will heat up to discharge (discharge stops when it drops to about 4.19V). If the "430" resistor becomes very hot (too hot to touch), please check if the wiring is incorrect.
50 59
51
-#### 故障处理：
60
+#### Troubleshooting:
52 61
53 62
| Fault Phenomenon | Fault Check & Cause |
54 63
|--------------------------|------------------------------------------------------------------------------------------------------|
battery-dat/battery-li-dat/battery-LFP-dat/2026-05-16-02-36-03.png
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battery-dat/battery-li-dat/battery-LFP-dat/battery-LFP-20S-dat/2026-05-16-01-51-46.png
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battery-dat/battery-li-dat/battery-LFP-dat/battery-LFP-20S-dat/2026-05-16-01-54-18.png
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battery-dat/battery-li-dat/battery-LFP-dat/battery-LFP-20S-dat/2026-05-16-01-55-05.png
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battery-dat/battery-li-dat/battery-LFP-dat/battery-LFP-20S-dat/battery-LFP-20S-dat.md
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@@ -1,23 +0,0 @@
1
-
2
-
3
-# battery-LFP-20S-dat
4
-
5
-- [[battery-volumn-dat]]
6
-
7
-- [[battery-LFP-20S-dat]] - [[battery-LFP-pack-dat]]
8
-
9
-## 20S2P
10
-
11
-![](2026-05-16-01-54-18.png)
12
-
13
-![](2026-05-16-01-55-05.png)
14
-
15
-## protector
16
-
17
-![](2026-05-16-01-51-46.png)
18
-
19
-
20
-## ref
21
-
22
-
23
-
battery-dat/battery-li-dat/battery-LFP-dat/battery-LFP-dat.md
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@@ -1,178 +0,0 @@
1
-
2
-# battery-LFP-dat
3
-
4
-
5
-- [[battery-NCM-NCA-dat]] - [[battery-LFP-dat]]
6
-
7
-- [[battery-pack-dat]]
8
-
9
-- [[blade-battery-dat]]
10
-
11
-- [[32650-dat]] - [[battery-LFP-dat]]
12
-
13
-- [[battery-rechargerable-dat]] - [[battery-LI-dat]] - [[battery-LFP-dat]]
14
-
15
-legacy wiki page == https://www.electrodragon.com/w/LFP_Battery
16
-
17
-
18
-这种电池通常被称为“铁锂”。它的正极材料使用的是磷酸铁锂。
19
-
20
-
21
-## LFP charger
22
-
23
-- [[TP5000-dat]] - [[TP-dat]]
24
-
25
-
26
-
27
-## battery order link
28
-
29
-https://www.electrodragon.com/product/special-offer-series-limited-qty-1/
30
-
31
-
32
-
33
-## info
34
-
35
-== LFP == LiFePO4-Battery == Lithium Iron Phosphate == LiFePO₄
36
-
37
-LiFePO₄ (Lithium Iron Phosphate) is a type of Lithium-ion (Li-ion) battery, but it uses iron phosphate (FePO₄) as the cathode material instead of more commonly used materials like cobalt, manganese, or nickel.
38
-
39
-Key Characteristics:
40
-
41
-Chemistry: The main difference lies in the cathode material. LiFePO₄ batteries use iron phosphate instead of traditional lithium cobalt oxide (LiCoO₂) or other lithium-based cathode materials used in regular Li-ion batteries.
42
-
43
-
44
-
45
-A **LiFePO4 (Lithium Iron Phosphate)** battery is a type of lithium-ion battery that uses lithium iron phosphate as the cathode material. It is known for its durability, safety, and efficiency, making it ideal for a variety of applications.
46
-
47
-## Key Features and Benefits:
48
-
49
-1. **Long Lifespan**
50
- - Typically lasts for **2,000–5,000 charge cycles** or more, compared to 300–500 cycles for lead-acid batteries.
51
- - Highly durable and cost-effective over time.
52
-
53
-2. **Safety**
54
- - Chemically stable, with a lower risk of overheating or catching fire compared to other lithium-ion batteries.
55
- - Less prone to thermal runaway.
56
-
57
-3. **Lightweight**
58
- - Significantly lighter than lead-acid batteries, ideal for portable applications.
59
-
60
-4. **High Energy Density**
61
- - Provides high energy capacity relative to size and weight. Outperforms lead-acid batteries, though less energy-dense than some lithium-ion types.
62
-
63
-5. **Wide Temperature Range**
64
- - Performs efficiently between **-20°C and 60°C**.
65
-
66
-6. **Fast Charging**
67
- - Can accept higher charge currents, allowing faster recharging.
68
-
69
-7. **Low Self-Discharge**
70
- - Retains charge for long periods when not in use.
71
-
72
-8. **Environmentally Friendly**
73
- - Free of toxic heavy metals like lead or cadmium and more recyclable than other batteries.
74
-
75
----
76
-
77
-## Common Applications:
78
-1. **Solar Power Systems**
79
- - Used in residential and off-grid solar setups for energy storage.
80
-
81
-2. **Electric Vehicles (EVs)**
82
- - Popular for e-bikes, e-scooters, and some electric cars due to safety and longevity.
83
-
84
-3. **Marine and RV Batteries**
85
- - Ideal for boats, campers, and caravans due to lightweight and deep-cycle performance.
86
-
87
-4. **Backup Power**
88
- - Used in UPS (Uninterruptible Power Supplies) and energy storage systems.
89
-
90
-5. **Portable Electronics**
91
- - Found in power tools, medical devices, and portable power banks.
92
-
93
-6. **Treasure Hunting/Outdoor Activities**
94
- - Useful for portable metal detectors and outdoor equipment due to durability and long-lasting power.
95
-
96
----
97
-
98
-## Comparison with Lead-Acid Batteries:
99
-
100
-| Feature | LiFePO4 Battery | Lead-Acid Battery |
101
-|--------------------------|-----------------------------|-----------------------------|
102
-| Lifespan | 2,000–5,000+ cycles | 300–500 cycles |
103
-| Weight | ~50% lighter | Heavier |
104
-| Maintenance | Maintenance-free | Requires maintenance |
105
-| Depth of Discharge (DoD) | Up to 80–100% | 50–60% |
106
-| Energy Efficiency | ~95% | ~70% |
107
-| Charging Time | 2–4 hours (fast charging) | 6–12 hours |
108
-
109
-
110
-
111
-
112
-
113
-## Key Differences Between LiFePO4 and Lithium-Ion Batteries
114
-
115
-| Feature | **LiFePO4 (Lithium Iron Phosphate)** | **Generic Lithium-Ion (e.g., LiCoO₂)** |
116
-|--------------------------|---------------------------------------------|---------------------------------------------|
117
-| **Chemistry** | Lithium Iron Phosphate (LiFePO4) | Lithium Cobalt Oxide (LiCoO₂), Lithium Manganese Oxide (LiMn₂O₄), Lithium Nickel Manganese Cobalt Oxide (NMC), etc. |
118
-| **Lifespan** | 2,000–5,000+ cycles | 500–1,000 cycles |
119
-| **Energy Density** | Lower (~90–120 Wh/kg) | Higher (~150–250 Wh/kg) |
120
-| **Safety** | Extremely safe, resistant to overheating or fire | Less safe, more prone to overheating and thermal runaway |
121
-| **Cost** | Typically more expensive upfront | Less expensive upfront |
122
-| **Weight** | Slightly heavier | Lighter |
123
-| **Temperature Range** | Performs well in wide temperatures (-20°C to 60°C) | Narrower operating range |
124
-| **Discharge Rate** | Can handle high discharge rates | May degrade faster under high discharge |
125
-| **Environmental Impact** | More eco-friendly, contains no cobalt | May use cobalt, which has environmental and ethical concerns |
126
-
127
-## Why is LiFePO4 considered a type of lithium-ion battery?
128
-
129
-Both LiFePO4 and other lithium-ion batteries store energy through the movement of lithium ions between electrodes.
130
-
131
-The key difference lies in the cathode material (正极材料):
132
-- LiFePO4 uses **lithium iron phosphate**. (磷酸铁锂)
133
-- Generic lithium-ion batteries often use **cobalt-based chemistries** (e.g., LiCoO₂). (基于钴的化学材料)
134
-
135
-
136
-## When to Choose LiFePO4 Over Other Lithium-Ion Chemistries?
137
-
138
-1. Safety is a priority:
139
-LiFePO4 is more thermally stable and less likely to overheat, catch fire, or explode.
140
-
141
-2. Long lifespan needed:
142
-Ideal for applications requiring thousands of charge/discharge cycles (e.g., solar systems, EVs, backup power).
143
-
144
-3. High discharge/charge rates:
145
-Suitable for applications like power tools or outdoor equipment.
146
-
147
-4. Eco-consciousness:
148
-LiFePO4 batteries are free of cobalt, which is often associated with environmental and ethical issues.
149
-
150
-
151
-
152
-
153
-
154
-## safest battery - Lithium Iron Phosphate (LiFePO4)
155
-
156
-The safest batteries to use, especially in terms of preventing fires or explosions, are Lithium Iron Phosphate (LiFePO4) batteries. They are known for their thermal and chemical stability compared to other lithium-ion batteries. Here are some key points about them:
157
-
158
-- Safety: LiFePO4 batteries are less likely to overheat, catch fire, or explode because of their higher thermal runaway threshold. They also have better stability during overcharging and short-circuit conditions.
159
-- Longer lifespan: These batteries tend to last longer than other types, reducing the need for frequent replacements.
160
-- Stable chemistry: Their chemical structure is more resistant to thermal changes, which makes them safer even in extreme conditions.
161
-
162
-- LiFePO4 - https://www.youtube.com/watch?v=07BS6QY3wI8&ab_channel=HighTechLab
163
-
164
-
165
-
166
-
167
-## example
168
-
169
-xiaolu - 3.2V15AH == 48Wh // 20x 48wh == 1000 Wh == 1kWh == 64V
170
-
171
-![](2026-05-16-02-36-03.png)
172
-
173
-
174
-## ref
175
-
176
-- [[battery-pack]]
177
-
178
-- [[battery-LFP]] - [[li-battery-material]] - [[li-battery]]
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\ No newline at end of file
battery-dat/battery-li-dat/battery-LFP-dat/battery-LFP-pack-dat/battery-LFP-pack-dat.md
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@@ -1,7 +0,0 @@
1
-
2
-
3
-# battery-LFP-pack-dat
4
-
5
-- [[battery-LFP-20S-dat]] - [[battery-LFP-pack-dat]]
6
-
7
-- [[battery-capacity-dat]]
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\ No newline at end of file
battery-dat/battery-li-dat/battery-LFP-dat/blade-battery-dat/2025-09-11-14-59-46.png
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battery-dat/battery-li-dat/battery-LFP-dat/blade-battery-dat/blade-battery-dat.md
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@@ -1,25 +0,0 @@
1
-
2
-# blade-battery-dat
3
-
4
-- [[BYD-dat]] - [[CATL-dat]] - [[EVE-dat]]
5
-
6
-- [[LFP-dat]]
7
-
8
-- [[solar-power-dat]]
9
-
10
-- [[battery-system-dat]] - [[battery-dat]]
11
-
12
-
13
-
14
-## specs
15
-
16
-![](2025-09-11-14-59-46.png)
17
-
18
-149 - 18 - 99
19
-
20
-亿纬 - 3.7v - 19.5AH - (高倍率30c）
21
-
22
-
23
-## ref
24
-
25
-- [[LFP-dat]]
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\ No newline at end of file
battery-dat/battery-li-dat/battery-li-LFP-dat/2026-05-16-02-36-03.png
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battery-dat/battery-li-dat/battery-li-LFP-dat/battery-LFP-20S-dat/2026-05-16-01-51-46.png
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battery-dat/battery-li-dat/battery-li-LFP-dat/battery-LFP-20S-dat/2026-05-16-01-54-18.png
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battery-dat/battery-li-dat/battery-li-LFP-dat/battery-LFP-20S-dat/2026-05-16-01-55-05.png
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battery-dat/battery-li-dat/battery-li-LFP-dat/battery-LFP-20S-dat/battery-LFP-20S-dat.md
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@@ -0,0 +1,26 @@
1
+
2
+
3
+# battery-LFP-20S-dat
4
+
5
+- [[battery-volumn-dat]]
6
+
7
+- [[battery-LFP-20S-dat]] - [[battery-LFP-pack-dat]]
8
+
9
+== 3.2V * 20 = 64V
10
+
11
+
12
+## 20S-2P
13
+
14
+![](2026-05-16-01-54-18.png)
15
+
16
+![](2026-05-16-01-55-05.png)
17
+
18
+## protector
19
+
20
+![](2026-05-16-01-51-46.png)
21
+
22
+
23
+## ref
24
+
25
+
26
+
battery-dat/battery-li-dat/battery-li-LFP-dat/battery-LFP-pack-dat/battery-LFP-pack-dat.md
... ...
@@ -0,0 +1,10 @@
1
+
2
+
3
+# battery-LFP-pack-dat
4
+
5
+- [[battery-LFP-20S-dat]] - [[battery-LFP-pack-dat]]
6
+
7
+- [[battery-capacity-dat]]
8
+
9
+
10
+
battery-dat/battery-li-dat/battery-li-LFP-dat/battery-li-LFP-dat.md
... ...
@@ -0,0 +1,181 @@
1
+
2
+# battery-li-LFP-dat
3
+
4
+
5
+- [[battery-LFP-20S-dat]]
6
+
7
+
8
+- [[battery-NCM-NCA-dat]] - [[battery-LFP-dat]]
9
+
10
+- [[battery-pack-dat]]
11
+
12
+- [[blade-battery-dat]]
13
+
14
+- [[32650-dat]] - [[battery-LFP-dat]]
15
+
16
+- [[battery-rechargerable-dat]] - [[battery-LI-dat]] - [[battery-LFP-dat]]
17
+
18
+legacy wiki page == https://www.electrodragon.com/w/LFP_Battery
19
+
20
+
21
+这种电池通常被称为“铁锂”。它的正极材料使用的是磷酸铁锂。
22
+
23
+
24
+## LFP charger
25
+
26
+- [[TP5000-dat]] - [[TP-dat]]
27
+
28
+
29
+
30
+## battery order link
31
+
32
+https://www.electrodragon.com/product/special-offer-series-limited-qty-1/
33
+
34
+
35
+
36
+## info
37
+
38
+== LFP == LiFePO4-Battery == Lithium Iron Phosphate == LiFePO₄
39
+
40
+LiFePO₄ (Lithium Iron Phosphate) is a type of Lithium-ion (Li-ion) battery, but it uses iron phosphate (FePO₄) as the cathode material instead of more commonly used materials like cobalt, manganese, or nickel.
41
+
42
+Key Characteristics:
43
+
44
+Chemistry: The main difference lies in the cathode material. LiFePO₄ batteries use iron phosphate instead of traditional lithium cobalt oxide (LiCoO₂) or other lithium-based cathode materials used in regular Li-ion batteries.
45
+
46
+
47
+
48
+A **LiFePO4 (Lithium Iron Phosphate)** battery is a type of lithium-ion battery that uses lithium iron phosphate as the cathode material. It is known for its durability, safety, and efficiency, making it ideal for a variety of applications.
49
+
50
+## Key Features and Benefits:
51
+
52
+1. **Long Lifespan**
53
+ - Typically lasts for **2,000–5,000 charge cycles** or more, compared to 300–500 cycles for lead-acid batteries.
54
+ - Highly durable and cost-effective over time.
55
+
56
+2. **Safety**
57
+ - Chemically stable, with a lower risk of overheating or catching fire compared to other lithium-ion batteries.
58
+ - Less prone to thermal runaway.
59
+
60
+3. **Lightweight**
61
+ - Significantly lighter than lead-acid batteries, ideal for portable applications.
62
+
63
+4. **High Energy Density**
64
+ - Provides high energy capacity relative to size and weight. Outperforms lead-acid batteries, though less energy-dense than some lithium-ion types.
65
+
66
+5. **Wide Temperature Range**
67
+ - Performs efficiently between **-20°C and 60°C**.
68
+
69
+6. **Fast Charging**
70
+ - Can accept higher charge currents, allowing faster recharging.
71
+
72
+7. **Low Self-Discharge**
73
+ - Retains charge for long periods when not in use.
74
+
75
+8. **Environmentally Friendly**
76
+ - Free of toxic heavy metals like lead or cadmium and more recyclable than other batteries.
77
+
78
+---
79
+
80
+## Common Applications:
81
+1. **Solar Power Systems**
82
+ - Used in residential and off-grid solar setups for energy storage.
83
+
84
+2. **Electric Vehicles (EVs)**
85
+ - Popular for e-bikes, e-scooters, and some electric cars due to safety and longevity.
86
+
87
+3. **Marine and RV Batteries**
88
+ - Ideal for boats, campers, and caravans due to lightweight and deep-cycle performance.
89
+
90
+4. **Backup Power**
91
+ - Used in UPS (Uninterruptible Power Supplies) and energy storage systems.
92
+
93
+5. **Portable Electronics**
94
+ - Found in power tools, medical devices, and portable power banks.
95
+
96
+6. **Treasure Hunting/Outdoor Activities**
97
+ - Useful for portable metal detectors and outdoor equipment due to durability and long-lasting power.
98
+
99
+---
100
+
101
+## Comparison with Lead-Acid Batteries:
102
+
103
+| Feature | LiFePO4 Battery | Lead-Acid Battery |
104
+|--------------------------|-----------------------------|-----------------------------|
105
+| Lifespan | 2,000–5,000+ cycles | 300–500 cycles |
106
+| Weight | ~50% lighter | Heavier |
107
+| Maintenance | Maintenance-free | Requires maintenance |
108
+| Depth of Discharge (DoD) | Up to 80–100% | 50–60% |
109
+| Energy Efficiency | ~95% | ~70% |
110
+| Charging Time | 2–4 hours (fast charging) | 6–12 hours |
111
+
112
+
113
+
114
+
115
+
116
+## Key Differences Between LiFePO4 and Lithium-Ion Batteries
117
+
118
+| Feature | **LiFePO4 (Lithium Iron Phosphate)** | **Generic Lithium-Ion (e.g., LiCoO₂)** |
119
+|--------------------------|---------------------------------------------|---------------------------------------------|
120
+| **Chemistry** | Lithium Iron Phosphate (LiFePO4) | Lithium Cobalt Oxide (LiCoO₂), Lithium Manganese Oxide (LiMn₂O₄), Lithium Nickel Manganese Cobalt Oxide (NMC), etc. |
121
+| **Lifespan** | 2,000–5,000+ cycles | 500–1,000 cycles |
122
+| **Energy Density** | Lower (~90–120 Wh/kg) | Higher (~150–250 Wh/kg) |
123
+| **Safety** | Extremely safe, resistant to overheating or fire | Less safe, more prone to overheating and thermal runaway |
124
+| **Cost** | Typically more expensive upfront | Less expensive upfront |
125
+| **Weight** | Slightly heavier | Lighter |
126
+| **Temperature Range** | Performs well in wide temperatures (-20°C to 60°C) | Narrower operating range |
127
+| **Discharge Rate** | Can handle high discharge rates | May degrade faster under high discharge |
128
+| **Environmental Impact** | More eco-friendly, contains no cobalt | May use cobalt, which has environmental and ethical concerns |
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+
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+## Why is LiFePO4 considered a type of lithium-ion battery?
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+
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+Both LiFePO4 and other lithium-ion batteries store energy through the movement of lithium ions between electrodes.
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+
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+The key difference lies in the cathode material (正极材料):
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+- LiFePO4 uses **lithium iron phosphate**. (磷酸铁锂)
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+- Generic lithium-ion batteries often use **cobalt-based chemistries** (e.g., LiCoO₂). (基于钴的化学材料)
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+
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+
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+## When to Choose LiFePO4 Over Other Lithium-Ion Chemistries?
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+
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+1. Safety is a priority:
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+LiFePO4 is more thermally stable and less likely to overheat, catch fire, or explode.
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+
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+2. Long lifespan needed:
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+Ideal for applications requiring thousands of charge/discharge cycles (e.g., solar systems, EVs, backup power).
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+
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+3. High discharge/charge rates:
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+Suitable for applications like power tools or outdoor equipment.
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+
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+4. Eco-consciousness:
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+LiFePO4 batteries are free of cobalt, which is often associated with environmental and ethical issues.
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+
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+
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+
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+
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+
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+## safest battery - Lithium Iron Phosphate (LiFePO4)
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+
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+The safest batteries to use, especially in terms of preventing fires or explosions, are Lithium Iron Phosphate (LiFePO4) batteries. They are known for their thermal and chemical stability compared to other lithium-ion batteries. Here are some key points about them:
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+
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+- Safety: LiFePO4 batteries are less likely to overheat, catch fire, or explode because of their higher thermal runaway threshold. They also have better stability during overcharging and short-circuit conditions.
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+- Longer lifespan: These batteries tend to last longer than other types, reducing the need for frequent replacements.
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+- Stable chemistry: Their chemical structure is more resistant to thermal changes, which makes them safer even in extreme conditions.
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+
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+- LiFePO4 - https://www.youtube.com/watch?v=07BS6QY3wI8&ab_channel=HighTechLab
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+
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+
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+
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+
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+## example
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+
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+xiaolu - 3.2V15AH == 48Wh // 20x 48wh == 1000 Wh == 1kWh == 64V
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+
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+![](2026-05-16-02-36-03.png)
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+
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+
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+## ref
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+
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+- [[battery-pack]]
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+
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+- [[battery-LFP]] - [[li-battery-material]] - [[li-battery]]
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battery-dat/battery-li-dat/battery-li-LFP-dat/blade-battery-dat/blade-battery-dat.md
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@@ -0,0 +1,25 @@
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+
2
+# blade-battery-dat
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+
4
+- [[BYD-dat]] - [[CATL-dat]] - [[EVE-dat]]
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+
6
+- [[LFP-dat]]
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+
8
+- [[solar-power-dat]]
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+
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+- [[battery-system-dat]] - [[battery-dat]]
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+
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+
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+
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+## specs
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+
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+![](2025-09-11-14-59-46.png)
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+
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+149 - 18 - 99
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+
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+亿纬 - 3.7v - 19.5AH - (高倍率30c）
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+
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+
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+## ref
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+
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+- [[LFP-dat]]
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battery-dat/battery-pack-dat/battery-pack-dat.md
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@@ -64,6 +64,11 @@ so for high current, always GOOD to use higher voltage pack
64 64
4. **Verification**: After wiring, measure the voltage between each pair of adjacent balance pins. For Li-Po, it should be $<$ 4V; for LiFePO4, it should be $<$ 3.5V. Once verified, plug in the connector, then connect the charger and load negatives to C-. Use thick wires for B- and C- connections. The sequence is vital, regardless of wire colors.
65 65
5. **Final Check**: Measure the total battery pack voltage versus the BMS output voltage. They must be equal for the protection board to be considered working normally.
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+
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+## wiring
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+
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+![](2026-05-20-03-43-35.png)
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+
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![](2026-05-20-03-27-21.png)
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