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You get 2m of cable before the first light, and then 200 LED lights over the next 20m ... as well as charging from the sun, claimed battery life of 12 nights from a full USB charge, eight light ...

They’re delivering solar power after dark in California and helping to stabilize grids in other states. And the technology is expanding rapidly. By Brad Plumer and Nadja Popovich How California ...

The best power bank is more than just a battery, it's peace of mind. We're making it easy to find a great, affordable power bank to keep you going all day long, and maybe even longer. We've only ...