3pcs 2S 7.4V 4A 18650 Lithium Battery Protection Board Double String Protection Chip With Over-Charge Over-Discharge Over-Current And Short Circuit Protection Function

Features: 1. Built-in high-precision voltage detection circuit; 2. The terminals which are connected with the charger adopt high voltage devices; 3. Built-in three over-current detection circuits (over-current 1, over-current 2, load short-circuit); 4. Can control the battery charge and discharge through the MOS tube; 5. Wide operating temperature range: -40 C to + 85 C; 6. Low current consumption. 7. The protection board uses lithium-ion polymer rechargeable battery to protect IC. 8. Charging voltage: DC 9V (12V Max) 9. Maximum continuous discharge current: 4A 10. With over-charge protection, over-discharge protection, over-current protection and short circuit protection function. 11. 2pcs 18650 lithium batteries in series, can also be used for polymer lithium battery. 12. Size: 34.45 x 16.22 x 1.47mm (L x W x H) Package included: 3 x 18650 lithium battery protection board