shortCharge AAs from the sun or any USB port, then power your phone, wearable, GPS, or perk up your tablet in a pinch.featuresGUIDE 10 PLUS HIGHLIGHTS 2,300mAh Battery Pack Portable, rechargeable battery pack for power hungry gear. Includes a USB output for charging phones and boosting tablets.; Removable, Rechargeable Batteries Use AAs for headlamps, flashlight, and remotes. Also works with other rechargeable NiMH batteries and includes AAA adapter.; Light It Up Includes a built-in flashlight, handy for digging in any purse or backpack, and lighting up a hallway in a pinch.; TWO WAYS TO RECHARGE THE GUIDE 10 PLUS Recharge the Guide 10 Plus from the sun by connecting a compatible solar panel in about 3-6 hours; Charge up from a USB power source in about 6 hours; WHAT IT CHARGESThe Guide 10 Plus is perfect for all your smaller USB or AA/AAA powered gear. Smartphone 50-100% Boost POV Camera 1-2 Recharges Headlamp 1-3 Recharges Tablet 25% BoostWHAT'S IN THE BOX Guide 10 Plus; 4 AA Rechargeable Batteries; AAA Adapter; USB Cord; techCHARGE TIMES USB Source: 6-10 Hours; Nomad 7 Solar Panel: 3-6 Hours; Nomad 7 Plus Solar Panel: 3-6 Hours; Nomad 13 Solar Panel: 2.5-5 Hours; Nomad 14 Plus Solar Panel: 6 Hours; GENERAL Product SKU: 21005; Chainable: No; Weight (w/batteries): 6.4 oz (181 g); Dimensions: 2.5 x 4 x 0.75 in (6.4 x 10.2 x 1.9 cm); Operating Useage Temp: 32-104 F (0-40 C); Certs: CE, FCC, ROHS; Warranty: 6 months; PORTS USB Port (output): 5V, up to 1A (5W max), regulated; USB Port (input): 5V, up to 0.8A (4W max), regulated; Mini Solar Port (input): 6.5V, up to 1.1A; BATTERY DETAILS Battery Type: NiMH; Battery Size: 11Wh (4.8V, 2300mAh); Lifecycles: 500 cycles; Shelf-Life: Keep plugged in or charge every 3-6 months; Fuses: None; Management System: Charging and low-battery protection built-in;