LiIon 18650 Battery Box
Description
Just another box for LiIon batteries, type 18650. The specialty here is the built in Voiltmeter and the On-Off-Switch. Feel free to make your 3.6 Volt or 7.2Volt Accu. Go in Parallel (3.6VDC) or Serial (7.2VDC). Get rid of sorrows to over-discharge your 18650s! Keep an eye on the voltmeter. Voltmeter from Aliexpress or Banggood or Amazon. Switch from either one above. Batterieholder from Banggood.
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