how to design constant current charger for UPS battery (12V- 150A)

Hi Guys,

could you help me to design constant current battery charger with auto protection design.

i like to design UPS battery charger (15V - 15A) with over / under charge protection.

if any one have schematic or any idea to design
please forward to me

Thank you

sivakumar

Charging sealed lead acid batteries does not use constant current charging, more like current-limited constant-voltage charging. Read the correct charging algorithm, https://www.electro-tech-online.com/threads/excellent-battery-resource.104981/.[/URL]