Properties of this lithium battery protection board:

Model: HX-2S-D20 Overcharge voltage range: 4.25-4.35v±0.05v

Size: 46*20*3.6mm Over-discharge voltage range: 2.5-3.0v±0.05v

Upper limit working current: 13A Working temperature: -40—+50℃

Upper limit of instantaneous current: 20A Storage conditions: -40– +80℃

Quiescent current: less than 10uA Effective life: more than 50,000 hours

Internal resistance: less than 300mΩ Short circuit protection: can be protected, needs to be charged to restore

Charging voltage: 8.4V-9V

 The protection board size and device description;

 The size of the protection board is 46*20*3.6mm

 P+     is connected to the positive terminal of the battery;

· P – Connect to the negative pole of the battery;

· MB is connected to the connection point before battery 1 and battery 2;

·B+     is connected to the positive electrode of the charging / discharging terminal (charging terminal / discharging terminal are shared);

· B-      Connect to the negative electrode of the charging / discharging end (the charging end / discharging end are shared).