Just need to put 4 or 6pc 18650 batteries into the case according to the “+” and “-” marked inside, then srew case cover, a DIY batteries pack power bank for your Bike light Headlamp is ready! So easy and so convenient!

– Bikelight Headlight Safety Battery Pack Case with DC and USB interface.
– Great for DIY a 18650 batteries pack power bank for your bikelight headlamp.
– Feature:
– Material: Durable Plastic, Light Weight, Waterproof and with Led indicator light for Power On/ Charing/ Full Charge.
– Case Size:9x 6.7x 4.8CM
– 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.
– Over-charge protection voltage:8.4 V
– Over-discharge protection voltage: 5 V
– Over-discharge protection current: 9 A
– Standby current: 10A
– DC output voltage : 8.4V
– USB output standard voltage: 5 V±0.2
– USB max output: 2000MA

– Package includes:
– 1x Black safety bikelight batteries pack case ;
– 1x Strap.

Note: No batteries and charger included.

Product Features

• The Rechargeable Waterproof 18650 Battery Case is special designed for Cycling Bikelight Headlight, with DC and USB interface
• Material: Durable Plastic, Light weight and Waterproof, Case Size: 9x 6.7 x 4.8cm
• Can load 6pcs 18650 batteries into the case,easy to DIY a 18650 batteries Pack for your Bikelight headlamp.( no batteries included)
• Rechargeable:LED indication for Power On / Charging / Full charge( no charger indlcued)
• Standard 5.5 DC interface,Output voltage: 8.4V, Input voltage: 8.4V