These USB-C rechargeable batteries are seriously convenient! The 2-pack of AA-CR2 lithium ion batteries each have 350mAh capacity and charge fully in just 1.5 hours using the included Type-C cable. No separate charger needed - just plug the cable directly into the battery and any USB port. The LED indicator shows red while charging and turns green when fully charged, so you always know the status. With 1200 charge cycles, these batteries will last you years, saving you money and reducing waste compared to disposables. The constant voltage output provides stable, reliable power for your devices - perfect for smartwatches, Bluetooth headsets, small electronics, and any device that needs precise power. Built-in protection circuits prevent overcharging, over-current, over-voltage, short-circuits, and high-temperature issues, making them safe to use. The fireproof structure adds an extra layer of safety. CITYORK offers 30-day refund or replacement plus 24/7 email support if you have any issues. If you're tired of constantly buying disposable batteries or dealing with separate battery chargers, these USB-C rechargeable batteries are a game-changer. The convenience of charging directly with a cable you probably already have (Type-C) makes power management so much simpler. The performance is consistent and reliable, and the environmental benefits are a nice bonus too!
