Those that are not may sell unsafe fakes, damaged cells, or even cells extracted from laptops. Let me know which way I should go, or whether you can think of any alternatives? :)īatteries should be purchased from distributors that are highly regarded. However, at £0.99 per piece, I'll have to purchase 76x 18650s on the wholesale site, which is too much for my requirements, and on the consumer site, it will cost £93.45 for the 21 cells I require?Īnother avenue I could possibly pursue is just buying 4x brand new generic laptop battery packs off eBay - at £13.99 each it will cost £55.96, and that will contain 6x 18650s per pack = 24x 18650s in total? I would have previously gone to eBay and got some tested cells but eBay don't allow the sale of 18650s. I'm currently using 9V PP3 rechargeable cells (yes, it runs on voltages down to 7.5V with no issues) but they have to be recharged every day (or less), which isn't ideal - hence the switch to 18650. I don't need excessively high current cells since these will be wired in a 3S7P configuration (inside a plastic case like this one) and will be primarily running a 12V clock (salvaged from an old classic car). Through Fogstar's consumer website, it is £4.45 for the cheapest 18650 cell (2500mAh/20A), whereas through the wholesale site (minimum spend £75) it is just £0.99 per piece for 2550mAh/7.5A. Thanks for the advice - I did actually look through the stickied post a while back but wanted to ask if there were any that would be better sources.
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