Features 1、EASY TO INSTALL: 20 series 72V 45A lithium battery protection board, equipped with 2 connecting cables, compact structure, convenient installation. 2、GOOD PROTECTION: Multiple protection functions such as overcharge, overdischarge, overcurrent and short circuit protection, safe and reliable operation. 3、STABLE PERFORMANCE: Using excellent components, has strong heat dissipation, low charging and discharging temperature, to ensure stable operation. 4、DETAILS DISPLAY: The lithium battery protection board is directly visible from the inside to the outside, which is convenient to observe the running status. 5、STANDAR PORTS: The battery protection board has standard cable ports and fixing screw holes, easy to install and disassemble, has good practicability. Specification Item Type: Battery Protection Board Power Supply Current: 45A Power Supply Voltage: 72V Power: 5W Application: Lithium battery protection Package List 2 x Cables 1 x Battery Protection Board