Mobile Laptop Charger Homemade - See how simple it is to improvise a mobile charger for emergency loads on your device when you do not have an outlet nearby.
Basically you will need three batteries of 3.7 V, a jack type cigarette lighter and a mobile car charger.
***** Warning: Overload Protection Point: 4.2V, Discharge Protection Point: 2.7V.
Use appropriate chargers to charge, and never let the voltage of each battery fall below 2.7V.
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