USB rechargeable, dimmable and IPX6 weatherproof design with a built-in 120-lumen flashlight, it&';s the perfect companion for the weight-conscious adventurer and pairs perfectly with Goal Zero Nomad Solar Panels giving you the option to recharge right from the sun. Lighthouse Micro Flash USB Rechargeable Lantern Tech Specs Charge Times USB Source: 3.5 Hours Nomad 5 Solar Panel: 3.5 Hours Ports USB Port (input): 5V, up to 1A (5W max) Battery Details Cell Chemistry: Li-on NMC Cell Type: 18650 by LG chem/Samsung Cell Capacity: 9.62 Wh (3.7V, 2600mAh) Lifecycles: hundreds of cycles Shelf Life: Keep plugged in, or charge every 3-6 months Management System: Charging and low-battery protection built-in General Product SKU: 32005 Simultaneous Recharge & Discharge: Yes Chainable: No Weight: 2.4 oz Dimensions: 3.66 x 1.5 in (93 x 37.75 cm) Warranty: 12 Months Light Full Bright, 4 Lights (Average): 135 Lumens, 3800K Dimmest, 2 Lights (Average): 7 Lumens, 3800K Flashlight, Bright (Average): 115 Lumens, 3000K Flashlight, Dim (Average): 15 Lumens, 3000K Full Bright, 4 Lights (Full Battery): 150 Lumens, 3800K Dimmest, 2 Lights (Full Battery): 10 Lumens, 3800K Flashlight, Bright (Full Battery): 120 Lumens, 3000K Flashlight, Dim (Full Battery): 20 Lumens, 3000K Run Time Flashlight: 100 hours (low), 8.5 hours (high) One side lit: 170 hours (low), 15 hours (high) Both sides lit: 80 hours (low), 7 hours (high)