The main IC uses the original "Seiko" imported components. With overcharge, over discharge, overcurrent, short circuit protection, for a variety of various shapes 3.7V lithium batteries. The use of Japan Seiko protection IC, VISHAY, AOS, IR and other high-quality MOSFET, FR-4low temperature coefficient plate, well-designed, comprehensive test.Small size, suitable for many requirements of high integration, low cost of the occasion, to meet a wide range of performance requirements to ensure that the battery pack is absolutely safe and reliable.
The lithium battery protection board properties:
Model: HX-2S-02 overcharge voltage range: 4.25-4.35v ± 0.05v
Size: 36 * 6 * 1.0mm Over discharge voltage range: 2.3-3.0v ± 0.05v
Maximum operating current: 3A Operating temperature: -40 --- +50 ℃
Maximum instantaneous current: 5A Storage conditions: -40-- +80 ℃
Quiescent current: less than 3uA Effective life: more than 50,000 hours
Internal resistance: less than 45mΩ Short circuit protection: can be protected, need to charge recovery
The protection board size and device description;
The protective plate size is 36 * 6 * 1.0mm
Welding point Description:
B + connected to the battery positive.
B - the battery negative;
MB connects the battery 1 to the connection point before the battery 2.
P + connected to the charge / discharge side of the positive (charge side /discharge side shared);
P - connect / discharge terminal negative ( shared with charge / discharge).