7S 24V Lithium Ion battery BMS board Max 30A 60A constant discharge current for converter and 29.4V PCB circuit board of 18650 Battery – LLT POWER ELECTRONIC
4S 30A 14.4V 14.8V 16.8V High Current Li ion lithium battery 18650 charger PCB BMS protection board module|Instrument Parts & Accessories| - AliExpress
4S 30A 14.8V Ln Lm By PCB BMS 18650 Cr Pn B 7426925373167 £0.99 edupass.io