Product specifications : This rechargeable replacement battery features a capacity of 5200mAh, Li-ion polymer material, and 3.7V voltage. Compatible for GPS, tablet, intercom, RC car, Drone, vehicle trip data recorder, e-book, portable printer, DVD, power bank, MID, PAD, PDA, for psp, digital camera, LED lamp, monitoring digital cameras, tablet, home monitor,Network Box,USB Fan,air Purifier,controller,bluetooth speaker,baby infant monitor, solar outdoor lights, solar cameras, dental lights Selfie stick, toy and other devices. The newest complex technology improves battery life and wellness. The high-quality 3.7v 5200mah battery case protects both the battery and the smart chip. Built-in A-class battery cells and ic chips offered safety against overheating, overcharging, overload, and short circuits. Advice: A new 3.7v 5200mah battery performs best after 2-3 cycles of charging and discharging. Please verify the battery size and the voltage of your device to check if this battery matches your device. Customer Service: Your purchase experience is extremely important to us. If you have any questions or concerns about quality, please contact us at any time. We handle any quality issues with a perfect solution within 24 hours. Product specifications : This rechargeable replacement battery features a capacity of 5200mAh, Li-ion polymer material, and 3.7V voltage.