Overkill Solar BMS Series - Appendix D: BMS Specifications

Appendix D: BMS Specifications

JBD-SP04S020
JBD-SP10S009
# of cells supported
4
8
Battery pack voltage (nominal)
12V
24V
Maximum charge current (continuous)
120A (configurable)
100A (configurable)
Maximum discharge current
(continuous)
120A (configurable)
100A (configurable)
No-load current when operating
5.5 mA (BMS active, no Bluetooth)
15 mA (BMS active, Bluetooth)
0.8 mA (BMS inactive)
TBD
Pack over-voltage cutoff?
Yes (configurable)
Yes (configurable)
Pack under-voltage cutoff?
Yes (configurable)
Yes (configurable)
Individual cell over-voltage cutoff?
Yes (configurable)
Yes (configurable)
Individual cell under-voltage cutoff?
Yes (configurable)
Yes (configurable)
Current over-discharge cutoff?
Yes (configurable)
Yes (configurable)
Current over-charge cutoff?
Yes (configurable)
Yes (configurable)
High-temperature cutoff?
Yes (configurable)
Yes (configurable)
Low-temperature cutoff?
Yes (configurable)
Yes (configurable)
Bluetooth?
Optional
Optional
Communications port?
Yes (5V TTL serial, 9600 8n1, via JST
XH 4-pin connector)
Yes (5V TTL serial, 9600 8n1, via JST
XH 4-pin connector)
Wire length
6” (152mm)
(12” or 24” optional)
6” (152mm)
(12” or 24” optional)
Wire gauge
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)
Weight
10 ounces
(290 grams)
12 ounces
(340 grams)