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Review on ๐Ÿ”‹ Tenergy TN299 Universal Battery Charger: Smart Charger for AA, AAA, C, D, 9V, 18650, and More with 4 Independent Charging Slots by Sandra Egan

Revainrating 4 out of 5

Much better than almost all other chargers

This is the best charger I have ever used, mainly because: A. It can work with almost every battery I have, including LiPO4, which is a lot good is. It features fully independent charging - with approximate status indicators - for each of the four battery bays. Most chargers work in pairs. I always seem to be charging an odd number or odd sets of batteries, so having everyone completely independent is really nice. So why not five stars? room for growth. eg: โ€ข I wish it could charge more batteries at the same time (eg eight AAs, maybe). โ€ข It would also be very handy if he could give an estimate of the time to a full charge - although admittedly. I'm not sure if this is really plausible with standalone, "dumb" batteries. โ€ข I'd also like to be able to adjust the charging speed โ€“ this charger seems to charge batteries significantly faster than any other charger I've ever used, which is great when you're in a hurry, but it's also not good for battery longevity. It would be great to have a "slow charge" option that prioritizes battery health over charge speed - I usually charge things at night for use during the day and right now it seems like a depleted AA will do in half an hour load. , which isn't necessary when I have ten hours for it. However, compared to all the other battery chargers I've tried and seen at Revain, this seems to be the best.

Pros
  • practical item
Cons
  • I will add later