4A-5A PCB BMS Protection Board for 4 Packs 18650 Li-ion lithium Battery Cell

DESCRIPTION:

• Built-in high precision voltage detection circuit.
• Connect to the charger terminals which using high pressure device.
• Built-in three over current detection circuit (1 over current, 2 over current ,load short circuit)
• Through the MOS tube ,it can control the battery charging and discharging;
• Low standby current consumption.
• Properties of the lithium battery protection board
• Discharge voltage range: 2.5 + / - 0.05 v to 3.0 v
• Maximum working current: 3A
• Working temperature: - 40 - + 50 DEGREE
• Maximum instantaneous current: 4-6A
• Storage conditions: - 40 - + 80 DEGREE
• Static electricity: less than 6 uA
• Useful life time: more than 50000 hours
• Resistance: less than 45 m Ω
• Short circuit protection: can protect,need charging.

​FUNCTION:

Connect the lithium battery with protection board according to the wiring diagram, when the battery voltage is between 
the charging pressure and discharge voltage, and the P +, P - charging after 1 seconds,the output voltage P + and P - is 
the same as the battery voltage.