Battery charger circuit diagram electronics projects

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Battery charger circuit diagram electronics projects for many batteries type like NiMh, NiCd, LiIon, gell cells acid battery using various battery charging technology from simple to complex from classic to alternative energy.

NiMH battery charger circuit using Lm317

A simple NiMH battery charger circuit can be designed using electronic diagram below. This NiMH battery charger circuit, do not use specialized electronic components, being built using operational amplifiers, CMOS component and LM317 voltage regulator.
CT13 output of IC2 goes to logical "1...

NiMH batteries charger using Lm317
NiMH, NiCd battery charger using TEA1100

Using TEA1100 integrated circuit manufactured by Philips can be built a NiMH, NiCd battery charger.
When the battery is fully charged, TEA1100 goes to maintenance charge mode. In this way, one tenth of the normal charge time flow 1/2 of normal charge current (battery is in pulse charging...

NiMH, NiCd batteries charger using TEA1100
Solar panel battery connection switch circuit

Using the diagram below can be made a simple solar panel battery connection switch electronic device that allows charging a battery using a solar panel.
When voltage is too low, the relay is not actuated, so that the battery is not connected to the solar panel.

Solar panel battery connection switch
rapid charger circuit using max712, max713
MAX712 rapid charger table

This rapid charger circuit is made using MAX712, MAX713 integrated circuits manufactured by Maxim IC and can be used for rapid charging NiCd, NiMH batteries.
Integrated circuit output current is always in one of two states: high (quick charge) or low (pulse charge). Once detected fully...

MAX712, MAX713 rapid charger circuit diagram