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Although it's similar to the budget version offered for just over 10 bucks, I've been using this Futaba BR-3000 despite it being priced considerably higher (and despite them being our competitors in the servo business). Why on Earth would we offer a competitor's battery tester? Easy, it's because this is a very fine product and you have to give the Devil his due! Anyway, I consider it the better of the two we offer and while it's no skin off the nose which you prefer, I carry one of these in...
Basically similar to the very well regarded Futaba BR-3000, when money is tight, this is a great alternative within the 2-6 cell battery-tester market. Use this for determining the state of charge of your control electronics battery pack regardless of whether you prefer old school NiCd/NiMH, or high performance lithium-chemistry. ProTip: connect a 2-wire JR-style lead for NiCd/NiMH packs (which typically don't have a balance connector for measuring individual cells) at the 2-pin port. With...
Measuring battery capacity isn't rocket science. We offer this one, which is basically the same as the other two versions for those who recognize what a case that's been CNC-machined of 6061-T6 aircraft aluminum brings to the game. ProTip: connect a 2-wire JR-style lead for NiCd/NiMH packs (which typically don't have a balance connector for measuring individual cells) at the 2-pin port. With regard to lithium-type packs, e.g. LiPo, LiIon, LiFe, and super duty LiFePO4 (A123) because they have a...