Posts Tagged ‘Battery Charger’
Fast Charger for Better Lead-Acid Battery Life
Compromising between the speed while maintaining safe operation for battery charging is an interesting challenge. This circuit can be used to charge a battery , and it’s safe and rapid. To get quickly charged, this circuit charge with initial charging voltage of 2.5V per cell. To keep it safe, this circuit prevent the battery from …[Read More]
Ni-Cad Battery Zapper, A Rechargeable Battery Reconditioner
Ni-Cad (NiCd, NiCad) battery, sometimes doesn’t work as expected, gives no power and cannot be recharged. In this situation, the battery need to be reconditioned. It’ is possible that the battery is internally shorted, and we can get the battery into life again by recondition the Ni-Cad battery using a zapper circuit. This circuit restore …[Read More]
NiCd/NiCad battery charger circuit is still needed since some application demanding high current is still rely on NiCd type, since this type is still superior in term of high current output (low internal resistance) and low cost. This battery charger circuit is used to charge 12V NiCd battery at around 74 mA until battery is …[Read More]
Low Cost Universal Battery Charger
This is a Low Cost Universal Battery Charger Circuit. This circuit is used to charge NiCD-NiMH batteries and ideal for car use. This circuit transforms a mains adapter to a charger. It can be used to charge MP3 players, portables, toys cellular phone, video batteries. This circuit also has selectable charge current. To indicate this …[Read More]
Adjustable Constant Current Regulator
This is Adjustable Constant Current Regulator circuit. This circuit can be used in a bench power supply to prevent the circuit that are tested from being damaged. This circuit can be adjusted to any value from a few milliamp to about 500mA. The max current is 500mA because it is the limit of the BC337 …[Read More]
USB Devices Charger
If you are traveling, you might need this device to charge your gadget along the way, since it is much cheaper to buy some standard AA batteries for backup than buying several rechargeable batteries of your gadget type. Below is a charger that more efficient than linear regulator like the “7805″ while you are on …[Read More]
12V Car Battery Charger
This is 12V Car Battery Charger simple circuit. This circuit is designed to solve some problems that occurs in most car battery chargers. The problem that occur in most car battery chargers is when the charger is not turned off, the battery will overcharge, the plate of the charger will destroyed and the electrolyte of …[Read More]
| 
