ORIGINAL: alextitchmarsh
How do you know how long you need to charge a battery for?
assuming you know the how many amps you are putting in.
is there a way of working out how long you need to charge for.
if this has already been asked please point me to were.
thanks
I usually speak about "charger" rather than "battery" because of what has been posted above. It is real simple.
Amps = amperes= amps per hour
A rate of 3 amps = 3 ah or 3000 mah. If you know your battery capacity and have used it up then you can easily estimate your charge time at 1 hour.
A peak charger is recommended for people like me who do not want to do the math or have a hard time keeping track of usage or who just want to know when it's full, it is also a safer way to go in case an error is made in figuring.