"Brunton Resync 900 mah Brand New, The Brunton Resync Battery rechargable battery provides an ideal way to charge high-powered USB devices like tablets and e-readers
An on-board compartment stores alternate adapter. High efficiency ports and protective adventure-armor makes resync the back-up of technophiles on the move. Additional conveniences include a water-resistant design, durable rubberized shell and overcharge prevention. Additionally, the resync is compatible with brunton sync tech-enabled headlamps and task lights as well as USB-based or 12v brunton solar panels. Resync Battery Features: Product # F-RESYNC, Rechargeable Battery, 5v, 2100mA USB Output, Water Resistant, Rechargeable Lithium-Polymer Battery, Durable Rubberized Shell, Power Gauge & Auto Shutoff, 9000 mAh Battery Storage Capacity, For USB-Powered Devices, Compact & Lightweight for Portability"