8.4v Usb/dc 18650 Battery Storage Carrying Case for Led Bike Light

GOOD PERFORMANCE: with high safety performance, free of trouble, the battery is more safety then power adapter and power bank when lighting your decorative lights.LONG TIME SERVICE: The battery does not need spot welding, which greatly reduces the internal resistance of the battery and thus improves the battery life.FINE WORKMANSHIP: Using this waterproof battery case is no need to worry about damage due to rain, more reliable in use.SUIT FOR: Portable charger for 18650 batteries, suitable for powering bicycle lights, USB lights, LED lights, etc.EASY TO INSTALL: Battery Box is installation easier and more convenient to use, perfect for indoor and outdoor, more practical.Colour: blackMaterial: flame-retardant material shellSize: 87x84x25mmPackage Contents:2 x Battery Box2 x English ManualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.