30PCS 4A 2-Tandem 7.4V/8.4V 18650 Lithium Battery Protection Board, Anti-overcharge, Anti-over-discharge

1. Size: 35x16.6x2.5mm
2.Upper limit working current: 3A
3.Upper limit instantaneous current: 5A
4. Overload voltage range: 4.28V +/- 0.05V.
5. Over-discharge voltage range: 2.9V +/- 0.05V.
6. Quiescent current: less than 3uA
7. Charging voltage: 8.4-9V.
8. Short circuit protection: Delayed and protected self-reset
9. The lithium battery protection board can not be used for lithium iron phosphate battery, hernia lamp, hand drill battery. Electric fish machine battery pack. Please pay attention to the electric bicycle battery pack, children's car battery, 550 or more power motor, 1W fisheye LED, etc.
10. The described power range is applicable to the following products: massager battery, LED lamp backup power, 12V electronic products, solar street light battery, backup power monitoring and other products.