Waterproof 18650 Battery Power Bank Case Box USB Charging Phone DC 8.4V Battery PaCase Box For Led Bike Light Accessories

Product Details:1. This battery box only fit for 4.2v 18650 li-ion (please use two same capacity battery for installation).2. Connect the 8.4v charger output port to the battery box DC round port for charging.3. Battery box round port is connected to 8.4v bike light, it could be output or input 5V USB port only for output, can connect to mobile phones and other digital products.4. USB power supply max up to 2100mA greatly shorten charging time.6. have overcharge, overdischarge, overcurrent three protection functions.7. Magic strap to make installation more convenient and fastec.

USB Port charge mobile phone fasterMateria: ABSColor: BlackQuantity: 1pcsWaterproof: IP67DC interface output & Input voltage: 8.4VDC interface output current: 2000mAUSB interface output & Input voltage: 5VUSB interface output current: 2100mAStandby current: 75μASize 70*102*46.2mmPower Supply: 18650 Battery(Not Include)

Package Contents:1 x Battery Case BoxPS: (Not included Battery)