If you buy the recommended Li-ion batteries, this is a smart battery charger and powerbank. I bought 3 pairs of batteries, so when the first are flat, in go the 2nd, then the 3rd, so I get a lot of charging out of it. Everyone needs one of these!!! When the batteries are depleted, it's smart enough to leave enough charge in them so the multi-cell Li-ions don't get damaged. It's a brilliant little and light unit - great for travel.
Verified purchase: Yes | Condition: New
Does what it's supposed to with no fuss.
Verified purchase: Yes | Condition: New
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