Appendix D: BMS Specifications
Battery pack voltage (nominal)
Maximum charge current (continuous)
Maximum discharge current
(continuous)
No-load current when operating
5.5 mA (BMS active, no Bluetooth)
15 mA (BMS active, Bluetooth)
0.8 mA (BMS inactive)
Pack over-voltage cutoff?
Pack under-voltage cutoff?
Individual cell over-voltage cutoff?
Individual cell under-voltage cutoff?
Current over-discharge cutoff?
Current over-charge cutoff?
High-temperature cutoff?
Yes (5V TTL serial, 9600 8n1, via JST
XH 4-pin connector)
Yes (5V TTL serial, 9600 8n1, via JST
XH 4-pin connector)
6” (152mm)
(12” or 24” optional)
6” (152mm)
(12” or 24” optional)
10 AWG (6mm²)
(8 AWG optional)
10 AWG (6mm²)
(8 AWG optional)
Dimensions (not including wires)
4” W x 5.4” H x 0.65” T
(102mm W x 138mm H x 16.5mm T)
4” W x 5.9” H x 0.7” T
(102mm W x 150.5mm H x 18mm T)