May 23, 2010 #1 L lpkvh08 Newbie level 3 Joined Apr 29, 2010 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,299 Hey guys! i have a 12v 22Ah lead acid battery. i want a circuit that will give me an output of 18.5v DC at 3.5A (regulated)... I'm modifying my old laptop and its battery is damaged.
Hey guys! i have a 12v 22Ah lead acid battery. i want a circuit that will give me an output of 18.5v DC at 3.5A (regulated)... I'm modifying my old laptop and its battery is damaged.
May 23, 2010 #2 R rajudp Advanced Member level 2 Joined May 27, 2006 Messages 643 Helped 123 Reputation 246 Reaction score 96 Trophy points 1,308 Location India Activity points 4,055 use this circuit.you can use this for laptop
May 23, 2010 #3 R rajudp Advanced Member level 2 Joined May 27, 2006 Messages 643 Helped 123 Reputation 246 Reaction score 96 Trophy points 1,308 Location India Activity points 4,055 missing parts for the schematics pcb lay file
May 23, 2010 #4 S srizbf Advanced Member level 5 Joined Apr 3, 2010 Messages 1,992 Helped 417 Reputation 840 Reaction score 329 Trophy points 1,363 Activity points 10,985 a 555 timer based circuit of lowcost type for powering laptops from car battery is available at: https://www.xs4all.nl/~jwasys/old/index.html?10 please check whether it is suitable for you. srizbf 23rdmay2010
a 555 timer based circuit of lowcost type for powering laptops from car battery is available at: https://www.xs4all.nl/~jwasys/old/index.html?10 please check whether it is suitable for you. srizbf 23rdmay2010