This is an HX-2S-A2 Circular 2S 8.4V BMS 18650 Lithium Battery Protection Plate With short circuit protection, overload, discharge and overcharge protection. Due to its small size, excellent performance and low cost, the product is suitable to meet a wide range of requirements. Note: The battery will heat when using it, it means the battery does not apply, please don’t keep using because the battery will be damaged soon. The protection board cannot be used for lithium iron phosphate battery, hernia lamp, hand drill battery pack, electric fish machine battery pack, electric bicycle battery pack, children’s car battery, 775 (4A)motor, 1W fish eye LED light! Connector : B : Connected to the battery positive B-: Connected battery negative MB: Connect the battery 1 to the connection point before battery 2 P : Charge / discharge side positive (shared charge / discharge side) P- : Connection / discharge terminal negative (charge / discharge side shared) Features It is safe and reliable to use. Small and compact. Easy connections.
