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: black Material: flame-retardant material shell Size: 87x84x25mm Package Contents: 1 * Battery Box 1 * 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.