This charger works as promised. My biggest issue, based on experience with other low current chargers, is how much current they draw through the battery even after it's fully charged. This causes the water in the battery to evaporate, causing the battery to fail prematurely if the water is not restored regularly. This charger goes to zero charging current after the battery is fully charged, so no water evaporates. I also like the status indicators that show what mode the charger is in. That's a lot of technology for the price.
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