This is the second version of my TP4056 based lithium battery charger module.
In v1.xx i used a linear voltage regulator (LM7805CV) which got very hot and limited the potential of the module a lot.
In v2.10 i replaced LM7805 with a switching counterpart (XL2011) which resolves most of the input issues allowing for a full range of 5V (via USB) and from 8-45V via the screw terminal or DC-Jack.
A quad 18650 Lithium Battery charger module based on the improved TP4056X IC.
I made this module because all the ones on Ebay are dodgy as fcuk. Also I needed to charge four batteries at once without burning down my house.
YouTube video or model (older revision):
SCLD stands for Solar Charger LED Driver
This is a combination of a typical TP4056 lithium battery charger with a Joule Thief adjusted to power a common 12V LED strip. I have tested this with 30cm LED strip (18 LEDs) with a single 18650 Lithium battery (capacity around 1700mAh) and it lasted around 8 hours. I have also tested it with a 3m LED strip (180 LEDs) which is offering a lot of light with...
A 4S Battery Protecion System using the ABLIC S-8254 IC, this version auto activates the circuit using a relay when batteries are connected, this means power is output via P+ without having to apply a charge voltage. The quiescent current draw is about 160uA.
The discharge cutoff voltage is 3.0V and the charge cutoff voltage is 4.2V.
YouTube video of board:
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