Note
To ensure the best charging effect, it is recommended that you use a Type A adapter with an output of 5V⎓3A. Otherwise, the battery indicator may not work and it may take longer to charge. But there is no problem with the product, please feel free to use it.

Long Lasting Rechargeable AA & AAA Batteries
TAKOO Type-C USB rechargeable AA (3000mWh) and AAA (880mWh) batteries offer large capacities and fast 1.5H charging. With up to 2000 charge cycles and a convenient Type-C charging port, no need to worry about the old charging case being damaged or lost. Perfect for high-performance devices and help you save on constant battery replacements.
Constant 1.5V Voltage Output
Delivers steady power from 100% to 0% without voltage drop. Thanks to innovative embedded tech, TAKOO rechargeable AA & AAA batteries maintain a solid 1.5V output, ensuring consistent performance even under heavy loads — ideal for insulin pumps, game controllers, Bluetooth devices, electric toothbrushes, flashlights, and more.
Quick Charging & Safety Protection
Fully charges in just 1.5 hours. Built-in protection safeguards include overcharge, over-discharge, over-voltage, over-temperature, over-current, short-circuit, and undervoltage. TAKOO batteries are engineered for safety and reliability. When the blue light around the positive pole flashes, it is in the charging state.
High Performance in All Conditions
Compared to alkaline batteries, TAKOO lithium AA & AAA batteries deliver better performance in extreme temperatures. Built to standard sizes for universal compatibility — perfect for alarm clocks, RC toys, cameras, walkie-talkies, and especially outdoor high-drain devices.
Eco-Friendly & Cost-Saving
TAKOO is committed to sustainability. One rechargeable AA or AAA battery can replace up to 2000 disposable alkaline batteries, dramatically reducing waste and saving money. With low attenuation and long service life, our rechargeable AA, AAA, 9V, and D-size batteries are a smart, safe, and green choice.