The PCM 4S Li-Ion Battery with PCB Protection, manufactured by DALY, is an electronic part that is 62mm x 34mm x 9mm in size and has a current rating of 10A. It has a nominal voltage of 14.8VDC. The unit has built-in PCB Protection to help protect against short circuit, over-charge, over-discharge, and over-temperature. It is a lithium-ion battery, making it lightweight, powerful, and long lasting.