Battery Dimensions: 1.34*0.63*0.63 inch (34*16*16 mm). NOTE: These are 3.7v rechargeable 16340 batteries, please confirm the battery voltage, battery size and battery model carefully before purchase
High Performance: The 3.7v 2800mAh 16340 rechargeable battery provides stable power for devices, effectively preventing damage to the device. The 16340 li-ion battery has no memory effect and is compatible with a variety of devices, making it very convenient for both home and outdoor use
USB 2 Slots Charger: Two charging channels allow for individual charging of each battery. The two slots can be adjusted to accommodate different battery lengths. General USB interface which is widly compatiable with multiple USB charging devices such as USB Wall Charger, Power Bank, Computer, Car Charger, etc. Super easy and conveient to charge 3.7v batteries
Charging Indicator: The battery charger comes with red/green LED lights to display the status of each charging battery. The indicator light is red while the battery is charging and turns green when charging is complete, at which point the charger will automatically stop charging
Multiple Protections: Equipped with a special charge and discharge management circuit. Through multiple safety protection settings, the charger can effectively prevent battery reverse polarity, short circuit, overcharge, over-discharge, and overcurrent damage, ensuring you have no safety concerns while using the product
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