A battery management system (BMS) is an electronic regulator that monitors and controls the charging and discharging of rechargeable batteries. Battery BMS protection boards are the brains behind battery packs. 3A 1S BMS With Wire manages the output, charging, and discharging and also provides critical safeguards to protect the batteries from damage. 18650 protection circuit Board is a high-accuracy voltage detection circuit. The 3A protection board can  be used for lithium-ion Phosphate batteries, Low power inverters, massager battery packs, electronics, LED light backup power supplies, solar street lights battery packs, and many other products.

Features Of 1S PCB Battery Protection Module 18650 Li-ion Lithium Battery:

• High-accuracy voltage detection circuit
• The terminal of the charger using high voltage device
• Built-in three-stage over-current detection circuit (over-current 1, over-current 2, load short circuit)
• MOS transistor can control the battery charge and discharge

Specifications Of Li-ion Battery Protection Board 3A 3.7V:

1. Overcharge release voltage: 4.23±0.05V
2. Overcharging voltage range: 4.25±0.05V
3. Over-discharge voltage range: 2.54±0.1V
4. Over-current detection current: 1-3 A

Pins description:

• P-: negative of input or output power
• P+: positive of input or output power
• B-: negative of the battery
• B+: positive of the battery

Package Include:

• 1 x 1s 3a 3.7v Li-ion Bms Pcm Protection Board With Wire

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