Posted inBattery Chargers
Simple 1.2V AA Ni-MH Battery Solar Charger circuits
This is a simple 1.2V AA battery Solar charger circuit. Imagine, if you want to charge only one or two 1.2V AA Ni-MH batteries, and must be charged outdoor without…
Constant current circuit using transistors
Learning experiments with simple constant current circuit using transistors, a few plain parts, so helpful, especially Ni-HM battery charger.
Posted inBattery Chargers
Gel cell battery charger circuit
It can charge any size of the Gel cell batteries and extend the life of the Gel Cell battery. While the circuit is running, the LED indicates charging.
Posted inBattery Chargers
Ni-MH battery charger using LM317T
Here is Universal nicd and nimh battery charger circuit. It use IC LM317T ( Hot IC) Control Current less 300mA, Size battery 2.4V,4.8V,9.6V. Low cost circuit
Posted inBattery Chargers
6V, 12V, 24V Lead acid battery charger using LM317
See 4 LM317 Lead-acid battery charger circuits for 6V, 12V, and 24V battery. With automatic charging and full charged Indicator using TL431. Easy to build.