At 10,050mAh, a full recharge on a tablet or three on a phone means you&';re ready to power through whatever scenic route you decide to venture down. Tech Specs Charge Times USB Power Source: 5 hours Nomad 5 Solar Panel: 12 - 15 Hours Nomad 10 Solar Panel: 6 - 12 Hours Nomad 20 Solar Panel: 5 - 8 Hours Ports USB Port (output): 5V, up to 2.1A (10.5W max) USB Port (input): 5V, up to 2.1A (10.5W max) Battery Details Battery Type: Li-ion NMC Battery Size: 36.18Wh (3.6V, 10,050mAh) Cell Type: 3x 18650 by LG chem/Samsung Lifecycles: hundreds of cycles Shelf-life: Keep plugged in, or charge every 3-6 months Fuses: none Management system: Charging and low-battery protection built-in General Chainable: No Simultaneous Recharge & Discharge: Yes (Pass Through) Weight: 6.8 oz (193 g) Dimensions: 3.7 x 2.4 x 0.83 in (9.4 x 6.1 x 2.1 cm) Operating usage temp.: 32-104 F (0-40 C) Certs: CE, FCC, ROHS Warranty 12 months