AA BATTERIES & USB CHARGER: 2 in 1 design, perfect integration of AA batteries and charger, charge your battery anywhere, saving space and saving the cost of charger! 1450mAh HIGH CAPACITY: Each AA battery contains 1450mAh capacity to last longer. Built-in PTC protection ensures high performance, suitable for flashlights, wireless mouse, keyboards, clock, game controllers, electric shaver, remote control and any other AA battery enabled devices. 2 WAYS to QUICK CHARGE: Up to 1000+ times charging, normally takes 1-2 hours to get fully charged. Charging time depends on the types of devices and USB ports. Also can be charged by AA Ni-Mh battery charger. The smart indicator ring will show red when charging and blue when fully charged. CE / FCC / ROHS certified ensures cyclic utilization. Integrated design avoids dangerous acid leakage or corrosion, a great replacement of traditional non-rechargeable AA batteries. ELASTIC CONNECTION with COVER CAP: Special elastic connection rope can resist over 1000 times of pulling without breaking, keeping the cover cap in place for better use. Technical Details: Battery Type: AA Ni-Mh Rechargeable Battery Capacity: 1450mAh Voltage: 1.2V Charging Time: 1-2 Hours Circularly Charging: Up to 1000+ times Certification: CE / FCC / ROHS Weight: 20g Dimension: 14.2*14.2*50.5mm Features: - Wide Applications: suitable for flashlights, wireless mouse, keyboards, clock, game controllers, electric shaver, remote control and any other AA battery enabled devices! - 2 Ways to Charge: Applies to laptop USB ports, power bank USB ports and any other USB ports, charging anywhere and anytime! - 1450mAh High Capacity: Much more smarter and last longer than lower capacity AA batteries on market. - CE / FCC / ROHS certified, safe and green, no dangerous acid leakage or corrosion. - Packed in plastic box for easier storage, save space! - If you leave them unused for a long time, please recharge them at least 2 months a time.