About this item

• Best Choice as Chirstmas Gifts: Exquisite and Thoughtful package,High Cost-effective Battery.Enough Power for your flight. Direct replacement battery for Holy Stone F181 F181C F181W Potensic F181DH Force1 F111 Phoenix JXD 509g RC Drone, no modification is needed.
• Capacity:3.7V 850mAh rc drone battery, guarantee more flight time, high drain lithium-polymer rechargeable battery. The battery is made of 100% lithium cobaltate , and It has a longer charging life
• Product size:57mm*24mm*8mm / 2.24 x 0. 94 x 0. 31 inch Weight: 18g / 0. 63oz. LED Status for charger : Red Lights on,currently charging.Red Lights off, charging complete.
• Package including: 4pcs batteries, 1set 4-port charger,4pcs adapter cables, can charge 4 batteries at one time! The charger has a very good connection with each batteries.
• Customer Service: We provide friendly after-sale service and no risk refund for our customers. If you have any issue,please contact us and we will try out best to solve your issue