Lithium battery protection board - 3.7V, 2A

Suitable for lithium batteries (e.g. for 18650) with a nominal voltage of 3.6 V / 3.7 V / 3.8 V

Overview:

• This circuit board is used to protect the cells against complete discharge, overcharging and overcharging current and short circuits
• Suitable for lithium batteries with a nominal voltage of 3.6 V, 3.7 V, 3.8 V and a charge of up to 4.2 V per cell
• Input voltage: 4.2 V regulated by constant current and constant voltage source

Specifications: DC voltage

• Direct voltage: 4.2 V DC / CV
• Overload protection Overload detection voltage: 4.275 V +/- 0.025 V
• Overload detection delay time: 150-500 ms
• Overvoltage of the recovery voltage: 4.075 V +/- 0.025 V
• Over-discharge protection Over-discharge detection voltage: 2.45 V +/- 0.1 V
• Detection delay time after discharge: 50-150 ms
• Over-discharge recovery voltage: 2.9 V +/- 0.10 V
• Overcurrent protection Overcurrent detection voltage: 150 30 mV
• Detection current overvoltage: 2 0.5 A
• Overcurrent detection delay time: 5 ms-15 ms
• Detection delay: 50us
• Status reset: Automatic reset
• Resistance protection lines (MOS-FET): 40m
• Operating temperature Temperature range: -40 ~ +50 °C
• Storage temperature range: -40 ~ +90 °C
• Dimensions: 22 x 4 x 3 mm

Soldering points:

• B +: positive battery terminal
• B-: negative battery terminal
• P +: Charger / positive load
• P-: Charger / negative load

Scope of delivery:

• 1x lithium battery protection board - 3.7V, 2A