Electrical
6‐5
Using a Constant Voltage Charger (Lead Acid Battery)
Leavebatteryfor30minutestosettle
beforemeasuringtheopencircuit
voltage.
12.8V
fullycharged
12.0‐12.7Vnotfullycharged
Under12.0VReplacetheBattery
Connectthechargerandammetertothebatteryandstartcharging.
Makesurethesettingisat1/10theamphourratingofthebattery.
Thisistypically2amp12Volts.
Chargethebatteryuntilthecharging
amperagedropsallthewaydown
,
usually1amp.
Thistypeofbatterychargercannot
chargeamaintenancefreebattery.A
variableratechargerisneeded.
Yes
Istheamperage higherthanthe
standardchargingamperagewritten
onthe battery?
No
Set
harg
tim
to a ma
imum o
20
hours
Measuretheopencircuitvoltage
priortocharging.