Key features

• •【USB 16340 Rechargeable Battery】: Battery size:34*16*16mm (1.34*0.63*0.63inch). Please confirm the battery size and battery type before purchase. (NOTE: The USB C calbe is NOT included.)
• •【High Performance】: With a 2800mAh capacity, no memory effect, and multiple protective features, these USB 16340 batteries offer high performance. They support a stable 3.7-volt output voltage, which makes devices more efficient and extends their lifespan. These batteries are perfect replacements for frequently used devices.
• •【Safety Assurance】: Our USB rechargeable 16340 batteries are equipped with an integrated safety circuit that protects against overcharging, over-discharging, short-circuiting, and overheating. You can rest assured that these batteries are completely safe to use during charging.
• •【Wide Application】: This RCR123A 3.7 volt lithium battery is versatile and can be used for a wide range of electronic devices, including LED flashlights, emergency lights, portable devices, headlights, toys, and other household devices.