battery-5S-dat
tools-mechanical-power-dat - battery-5s-dat - CONN-power-dat - CONN-tools-mechanical-power-dat
tools-mechanical-power-dat - battery-pack-dat - battery-5s-dat - battery-4s-dat
voltage == 4.2 * 5 = 21V
JH5S09
1500mAh * 5 JH3451D
unknown chip
