8.4V Battery Case for Bike light headlamp and mobile phone, only fit for 4.2V 26650 Rechargeable Li ion Battery;
- Please use two same capacity batteries for installation according to the "+" and "-" marked inside, then screw case cover, a DIY 26650 batteries pack power bank for Bike light Headlamp and phone is ready! Easy and convenient!

- The DIY Power Bank Case Box is with DC and USB interface.
- DC Round port is for connecting with 8.4V bike light, it could be output or input;
-5V USB port is only for output, and use for connecting mobile phones for charge the phone in emergency or provide power for other digital products.
- USB POWER SUPPLY MAX UP TO 2100mA, greatly shorten charging time.
- Feature: The power bank box designed with anty-reverse safety intelligent battery circuit, prevent installed wrongly and damaged the circuit.
- Material: Durable Plastic, Light Weight, Waterproof and with Power indicator light for Power On/ Charging/ Full Charge on Case cover.
- Case Size:9.5cm(H)x 7.2cm(W)x 3.2cm(Thick)
- With DC and USB interface: can connect USB interface to charge mobile phone; Connect DC interface, power led bike light or connect 8.4V Charger to charge the batteries pack.
- Input voltage:8.4 V
- Output1: 8.4V (DC)
- Output 2: 5 V Max2100mA (USB)
- Standby current: 80ηA
- The DIY Power Bank case Only fit for 26650 battery.

- Package includes:
- 1x Black Power Bank Case for 2x 26650 ;
- 1x Strap.

Note: No batteries and charger included.