Keep your Gemini Duo, Titan, or other compatible lights running on long night rides, or just have a back-up. Based on the 21700 platform, this rechargeable battery has an excellent power-to-weight ratio, because every gram counts. It can pull double-duty as a powerbank, to top up you phone and gadgets.
- 2, 21700 cells
- 30Wh 7.4V 4000mAh capacity
- Input ports: DC 8.4V, USB-C 5V, output: DC 6-8.2V (5.5x2.1mm round connector), USB-C 5V
- LED power gauge shows status, both charging and discharging
- Tough polycarbonate shell with rubber bumpers to protect your frame
