DIY: Olight Magnetic USB Charger Make Your Own for $1. Tutorial Video

[Antenne]

Maybe this circuit might help?
http://www.ebay.de/itm/4A-Auto-DC-to-DC-Voltage-Polarity-Exchange-and-Reverse-Protection-circuit-charge-/131785193658?hash=item1eaf0278ba:g:imwAAOSwyQtVg5WC

The protection circuit in these newer boards only protects against over discharge…

The new version of the TP4056 & advices.

Hello Scholars :GRADE: The original TP 4056 is only a charger, with over-charge protector. Here is the newer version of the TP4056, that has separate over-discharge protected output(that cut off if the voltages reaches below 2.4v). As you can see in the image, the inner B- & B+ are battery charging terminals and the outer terminals are the protected outputs. [image] So- Have anyone experimented with these ones? I am combining multiple TP4056 to create a 18650 cell pack. Purpose- Charging 6 …