Holder 18650 2S
thingiverse
The suggested parts serve to fix the 18650 battery and cover the contacts. So the SMD battery holder turns into a 2S battery pack. The caps are held by friction and hooks. The parts are printed from TPU plastic. The contacts on the SMD holder are better than the coil springs on other battery holders. To replace the battery, just remove the bottom cap. It may be difficult to drill a hole in the SMD holder. For the central wire, you need to stretch the contact. You can find another solution if drilling is difficult. The balance connector must be connected, this is necessary for the correct charging of the 2S battery. https://aliexpress.ru/item/4001152338150.html?spm=a2g2w.orderdetails.0.0.7c1f4aa6MXEmAT&sku_id=10000014908199354&_ga=2.252148745.1852773623.1669012290-1681770431.1634196437
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