Tenergy Premium Rechargeable C Batteries, High Capacity 5000mAh NiMH C Size Battery, C Cell Battery, 8 Pack

I’ve had 4 of these since 2013 or so and they are still going strong. Just bought 8 more.

our baby toys, namely the bouncy seats, go through a ton of C and D cell batteries. So rechargables were a must. The problem is that most only offer C and D sizes in crazy low capacities. No more than a AA size, i.e. 3000mAh, tops, usally closer to 2500mAh. These are a bit better, not as good as they could be, but better at 5000mAh. The next issue is charging them. Most chargers can't put more than about 2200mA into a battery for some reason, so we had to find a charger that could handle the extra capcity. But now good chargers seem to be far more common place than they were 5 years ago when we first started down this road, so this time around we were able to find one here on Amazon easily enough that works like a champ. We have charged these about a dozen times in groups of 4 batteries per bouncy seat and have not noticed that there is a loss of capacity yet. I would hope that we won't see such a loss for a long time, but given the price of these batteries I fear we may see that capacity loss sooner than later. So far though no problems encountered and no reason to believe it will be any time soon. I have a lot of other tenergy batteries and so far they have not been a problem for me, either the rechargables or the standard ones. I would recommend these to anyone who does not want to waste money and landfill space on standard batteries. Just get a good charger that charges batteries until they say they are full and not just until it believes them to be full. I would buy more of these if/when the need arises, assuming that they do last as long as other rechargables do.

I've used (and still use) a lot of rechargeable batteries in my house, shop, and some critical electronics and believe from long experience Tenergy makes some of the best. They hold the capacity stated- usually more. I've never had any fail. I admit I've tried cheaper ones in the past, but can't tolerate the failure rate.

Switched all of our flameless candles over to these. No more alkalines

I used a set of 10 batteries to rebuild a battery pack for a HID flashlight after the original cells died. I ended up 3D printing a battery holder and bought battery terminals/springs to make these replaceable vs the solder tabs on battery packs. So far so good with these, they hold a charge for a long time. The output is great too for this high drain light. I will buy these again if I need C cells for any other device I have.

These charge up nicely, and last longer than I expected. I am satisfied with them.

Good product

I bought these rechargable batteries for my window candles as I was chewing thru conventional batteries at an alarming rate. I thought rechargables would be the way to go since I need 48 batteries and I was replacing them monthly. While I am happy I am not throwing batteries away each month, I am disappointed in the staying power of these rechargables. I exected at least the month's service I got with akaline. Instead I find the majority of the batteries hold their charge for about 2 weeks on average. Some last longer, some last only a few days before they wear down. So I am constantly recharging and replacing. I realize these candles are on every night for about 8 hours but I can't imagine they are as draining as many of the high tech toys nowadays. Obviously I will continue to use these after spending almost $150 on them but I really expected more.