Small Ads - For Sale, Wanted, Swaps, Free, etc.↳ Proposed Membership Changes - Discussion.↳ Cycling UK Member Groups and Affiliates. ↳ Cycling Goods & Services - Your Reviews.14500 lithium ion batteries are rechargeable AA batteries with an output of 3.6 to 3.7 volts and mAh of 900 mAh. AA lithium batteries are also called 14500 lithium ion batteries. ↳ Racing, Olympics, TdF, Competitive cycling This style of rechargeable AA battery is the perfect choice for devices like cameras or gaming controllers.You can charge very slow without worrying too much about exact timing, but that's at a 12-hour charge rate. If you charge too slow, the "Negative Delta-V" end of charge detection isn't very clear and may get missed with consequent overcharging. If you charge too fast, the battery gets too hot. I generally set it so the batteries are charged over 2 to 3 hours. It also allows you to use devices that use an odd number of batteries without the difficulty of ensuring that both of a pair of batteries are at the same state of discharge before charging. If your charger doesn't tell you, you just start using it and recharging it assuming it's the same as the others, and this results in damage through overcharging or reverse charging and consequently poor capacity and life. It's well worth getting a charger that will charge batteries individually rather than as pairs, as it isn't uncommon for one battery out of a set of 4 new ones to need a couple of charge/discharge cycles before it starts working properly. I'll recommend the Technoline BL700 too (or the similar BC900 linked from the out of stock message). Philg wrote:I use this one and can recommend it (as do others) It's worth spending a little more on a charger because otherwise you'll be forever buying cheap ones and being disappointed like I was! As Nigel says, the heat generated by the fast ones is quite alarming - I'm not sure I'd be happy to leave it on while I was out of the house, but it only takes a maximum of one hour so it's not really a problem anyway. The cheap ones just work on a timer, and tend to undercharge modern high capacity NiMH batteries so you never get a full charge in them.Īs I say, I've had many many chargers and I'd been disappointed with them all until I bought this Link but this Link looks very good too. Today’s rechargeable AA and AAA batteries are much more efficient and reliable than those you may remember from years past. The most common way of doing it is called "Delta V" which is jargon for "it checks the voltage". I've been searching for the perfect charger for years, so I feel your pain.Īs you say, you really need one which senses when the battery is full - this means it can charge faster without risk of overcharging, and it means you can charge a set of batteries with unequal charge remaining.
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