Brunton Inspire 3200 mAh Rechargeable Battery (Black) Brunton Product Includes battery charger Great for camping Water resistant, durable rubberized shell Internal rechargeable Lithium Polymer battery, Power gauge and auto shut-off Battery storage: 3,200 mAh Output: 1,000 mA / 5V (USB 2.0 compatible) Dimensions: 3.5" x 3.75" x .75", Weight: 5.5 oz.