Goal Zero Sherpa 50 Solar Recharging KitPower Your Laptop & Tablet On the Go. Easy to pack, light to carry and expandable to fit your charging needs. Charge lithium battery from wall, car, or sun.FeaturesCharge in 2-3 hours from wall, or 4-6 hours from car, or 5-10 hours from Nomad 13 Solar PanelRun times: laptops 1-3 hours, tablets 15+ hoursBolt-on inverter converts Sherpa 50 into a wall plugCompact, lightweight, and ruggedWhat's in the Box1 X Sherpa 50 Recharger1 X Nomad 13 Solar Panel1 X AC wall charger1 X DC adapter1 X USB adapterSherpa 50 Tech Specs: Usage: Charge every 3-4 months, to maintain battery life For up to 1-year storage, discharge to 50%, remove fuse, shelve in cool temperatureCharge Times: AC wall charger: 3 hours 12V car charger: 3-4 hours Nomad 13 Solar Panel: 6-12 hoursInputs: Charging port (8.0mm, blue, circle): 15-25V (30W max)Outputs: USB Port: 5V, 0-1.5A (7W max), regulated 12V port (6.0mm, green, hexagon): 12V, 0-6A (75W max), regulated Sidecar port (9mm, side): 9-13V, 0-10A (75W max), not regulated Laptop port (7.4mm, orange, square): 19V, 0-5A (75W max), regulated AC Inverter (sold separately): 110VAC (75W max), modified sine waveInternal: Battery Type: Lithium-ion (NMC) Battery Capacity: 50Wh+ (2x3x3.6V, 2.6Ah cells) Battery Voltage Range: 9-13V Life-span: Hundreds of cycles Fuses: 10A, standard car fuseGeneral: Chainable: Yes, with other Sherpa V2 Weight: 1.1 lbs Dimensions: 4.5 x 1.5 x 5 in (11.4 x 3.8 x 12.7 cm) Warranty: 12 Months Certifications: FCC and CE Optimal Operating Temp.: 32-104 F (0-40 C)Nomad 13 Solar Panel Tech Specs:Charge Times: Sherpa 50 Power Pack: 6-12 hours 12V devices (satellite phone, GPS): 1-4 hours USB devices (cell phone, MP3 player): 1-4 hoursInputs: Rated Wattage: 13 W Cell Type: Mono-crystalline Open-circuit voltage: 18-20V Converting Efficiency: 17-18% Cell Area: 0.0755 m2Outputs: USB output: 5V, 0-1A (5W), regulated 12V DC output: 13-15V, 0-1A (13W max), not regulatedGeneral: Weight (no pkg): 1.6 lbs (0.72 kg) Dimensions: 10.5 x 7 x 1 in (26.7 x 17.8 x 2.5 cm) Warranty: 12 Months Certifications: FCC and CE Optimal Operating Temp.: 0-120 F (-17-48 C)Sherpa Inverter Tech Specs:Inputs: 12V Port (9mm): 9-13V, 0-10A (100W max)Outputs: AC US Standard Outlet: 110VAC (100W Max) Sherpa 50: 65WGeneral: Weight: 0.35 lbs (0.16 kg) Dimensions (light): 1" x 1.5" x 5.25" (2.54 x 2.54 x 13.34 cm) Dimensions (with cord: 1.25 x 1.25 x 11 in Warranty: 12 Months Certifications: FCC and CE Optimal Operating Temp.: 32-104 F (0-40 C)Check out all of the Goal Zero gear in stock here.