50A BMS Protection Board Balance for 3s 4s 5s 12.6V 16.8V 21V Li-ion Cell Bat with Balance Power Tool Inverter Solar Energy

--Standard voltage: 21V.

--Rated capacity: 130 (mah).

--Specifications: 4s/3.7V polymer batteries, 5s/3.7V polymer batteries, 4s/3.2V lithium iron phosphate batteries, 5s/3.2V lithium iron phosphate batteries, 3s/3.7V polymer batteries.

--Model: lithium battery protection board.

--Product types: medium rate, low rate, super high rate, high rate, others.