This is the circuit of a simple 12 volt battery charger for Lead Acid battery. It gives 12 volt and 5 Amps current for quick charging of the battery. If the battery is partially discharged, full ...

Solar Battery Charger Circuit. August 3, 2012 by Jim Keith Comments 107. Advertisement. This is the most simple and affordable solar battery charger that the hobbyist can make. It has a few drawbacks ...

Once the charger is connected, the FET closes, and the charger powers your circuit through the diode instead. You need a logic-level P-FET – IRLML6401, CJ2305, DMG2301LK or HX2301A would fit ...

Simple NiCd Battery Charger Includes Charge Indication April 10, 2013 This circuit uses a microcontroller and simple algorithm managing voltage regulator ICs and discrete components to control ...

Nerd Ralph loves cheap and dirty hacks, and for that we applaud him. His latest endeavor is a LiFePO4 battery charger that he made out of parts he had on hand for under $0.50 US. (Although we think… ...

The AN971 IC draws current from a USB port to recharge Li-Ion or Li-Polymer batteries. There is also a “Suspend” mode feature to conserve power. To view the application note, ...

Apparently many USB charger units—you've probably got at least one that came free with a gizmo: I've got three—won't work to charge the iPhone. That's ...

This Simple Hack For Your Phone Charger Will Actually Change Your Life. by Kaylin Pound. May 24, 2016. Lumina.