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Using this multicell charger, you can safely charge up to two pieces of Ni-Cd cells or Ni-MH cells. The circuit is compact, inexpensive and easy-to-use. Multicell Charger Circuit The 230V AC mains is down-converted to 12V AC (at 500 mA) by...
Charging of the cellphone battery is a big problem while travelling as power supply source is not generally accessible. If you keep your cellphone switched on continuously, its battery will go flat within five to six hours, making the...
Presented here is a versatile circuit to charge batteries ranging from 6V through 48V. At home, garage or laboratory, you may have several rechargeable batteries with voltages rated at 6V, 12V, 24V, 36V, 48V or more. If so, you...
These days mobile phones with contactless charging are readily available. The circuit shown here explains how contactless charging of a battery can be done, while helping you design a contactless battery charger for yourself. Circuit and working Circuit diagram of the...
Lithium-ion batteries are the best battery choice you’ll ever need to power just about anything — from your laptop, cell-phones and digital cameras to bluetooth headsets, media players, medical and wearable devices. Get started with designing battery chargers for your portable...