Rechargeable 3.7V Li-ion Batteries 3000mAh 18J USB Lithium Battery for Flashlights, Headlamps, Doorbells, RC Cars (2 Pack)

EBL 3.7V 3000mAh USB Rechargeable Lithium Battery is designed for high current applications, providing a steady voltage and long battery life. The ProCyco (Professional recycle) technology maximizes power performance while charging. These batteries have a low self-discharge rate and no memory effect, so you don't have to worry about reducing battery life. With a capacity of 3000mAh, these batteries can provide a steady voltage until fully depleted, ensuring stable and longer-lasting device performance.

The advanced iQuick charging technology allows these batteries to be fully charged within four hours, and they offer longer working time compared to alkaline and NiMh batteries. The built-in LED light shows the charging process, turning red when the battery is recharging and blue when it's fully charged. The smart charging design includes a micro-USB port on the side of the battery, along with a 2-in-1 USB cable, making it easy and convenient to charge anywhere and anytime.

Please make sure to measure your original battery size or battery slot space before purchasing. The battery length is 70mm and the diameter is 18.5mm. To charge the battery, plug the micro-USB cable into the battery and then plug the USB cable into a 5V/2A adapter or power bank. Please use a 5V/2A charging adapter to avoid short-circuiting the batteries.

If the battery won't hold the charge, there are a few possible reasons. It may be precharged only 20-30% of its capacity, so make sure to fully charge it when you first receive it. New batteries achieve the best performance after 3-5 cycles of charge and discharge. It could also be due to the devices requiring a different voltage or current, in which case you should try using the battery in other devices. If the battery is reversed or short-circuited, remove it from the device and recharge it to reactivate it. Additionally, if the battery is damaged, bulging, or leaking, please stop using it.

The package includes 2 3.7V 18J lithium batteries and a 2-in-1 charging cable. These batteries are directly chargeable by micro-USB, allowing you to charge two batteries simultaneously with the provided cable. They are compatible with flashlights, headlamps, doorbells, RC cars, and other household devices.

These lithium-ion batteries have a capacity of 3000mAh, a voltage of 3.7 volts, and their dimensions are 18.5 * 70mm. They weigh 48g per piece. They offer steady voltage, easy USB charging, and multiple safety protections against overcharging, over-discharging, over-voltage, over-current, and short circuits.

Customers have rated these batteries highly, and they are available for purchase on our website. EBL is a reliable battery manufacturer with over 26 years of experience, offering a wide range of batteries and chargers. We are committed to ensuring customer satisfaction.

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