Melasta 2 Pack Rechargeable 3.7V 1100mAh Battery Li-ion Batteries For SJCAM SJ4000 SJ5000 SJ6000 M10 X1000 Sports Action Camera 100% Brand new Li-ion rechargeable battery (1100mAh, 3.7V,4.1Wh,Li-ion). Great for SJ4000 SJ5000 SJ6000 SJ7000 and original charger. Integrated microchip detects overcharging, overheat & provide short circuit protection. CE Certified.No memory effect. All Melasta branded items carry a 1 year warranty against manufacturer defects.