Wasabi Power Battery (2-Pack) for 1080P and 4K Action Cameras (Compatible with Crosstour, FITFORT, DBPower, AKASO, Aokon, Campark, DMYCO, HEIHEI, SOOCOO, ThiEYE, Vemico, VVHOOY, SJCAM M10 and more Rechargeable lithium-ion battery for GeekPro, SJCAM and other models Each battery rated at 3.7V and 900mAh for longer battery life Premium Japanese cells for longer battery life with no memory effect Fully compatible with the SJ4000, SJ5000 model cameras Includes 2 batteries with 3-year manufacturer warranty