Features:

• These rechargeable AA batteries have a built-in USB charging port for 1-2 hour fast charging and up to 1200 cycles, so there is no need to buy batteries frequently. Whether at home or outdoors, you can simply charge it with a single USB port.
• Stop wasting money on standard alkaline AA batteries! Switch to our rechargeable lithium batteries for the same great performance. Reuse the batteries repeatedly. Be eco-friendly and more cost-effective.
• Green LED 1Hz flashing during charging, always on when fully charged, off when discharging, and 10Hz high-speed flashing when discharging is short-circuited!
• The lithium AA battery voltage is 1.5 volts, higher than the NiMH battery voltage. It means that you have more options for providing sufficient power for a wide range of products. Perfect for the controller, keyboard, mouse, toys, calculator, toothbrush wireless devices, game controllers, and much more of your electronics.

Specifications:

• Battery Size: AA Battery
• Battery Capacity: 3.7 volts, 450 mAh
• Battery Type: Lithuim
• Fully charged time: 1-2 hours
• Rechargeable times: up to 1200 times
• USB charging voltage: DC/5V0.2
• USB charging current: DC5V/>0.5A
• Standard charging time: 120 minutes (IEC standard) Indicator status:
• The G-LED indicator flashes while charging, and the G-LED indicator lights up when fully charged.
• Discharge current standard: 200 mA (max: 2000 mA)
• Standard discharge time is about 60 minutes (discharge current 600 mA).
• Discharge cut-off voltage: 0.9 V
• Size: 0.55"x1.96" or 14.2x50mm
• If charging with a mobile phone charger, please use a charger below 5V2A that is compliant with North American safety standards. CE, FCC, and RoHS recognize safety to guarantee user and device safety.

Package Includes:

• 4 x rechargeable AA batteries in USB charge mode