Radio Shack 20-164 User Manual page 7

To install batteries:
1.. Slide.open.the.battery.compartment.cover.
2.. Place.4.AA.batteries.into.the.correct.battery.
3.. Place.the.battery.holder.into.the.battery.
To charge batteries:
1.. Install.rechargeable.batteries.
,.
2.. Connect.an.external.power.source.to.the.
.
.
• Each battery holder fits only one way. Do
•. Use.only.fresh.batteries.of.the.required.size.
•. Remove.old.or.weak.batteries..If.you.will.
•. Always.dispose.of.old.batteries.promptly.
on.the.back.of.the.scanner.
holder.matching.polarity.symbols.(+./.-):
•. Black.–.Alkaline.(non-rechargeable)
•. Yellow.–.Rechargeable..
compartment.and.replace.the.cover.
PWR DC 9V.jack..Using.the.scanner.while.
charging.will.increase.charge.time.
Battery
Ni-MH
Ni-Cd
Ni-Cd
Do.not.overcharge.batteries..Overcharging.
shortens.battery.life..
not.force.it.
and.recommended.type..Do.not.mix.old.
and.new.batteries,.different.types.(alkaline.
or.rechargeable),.or.rechargeable.batteries.
of.different.capacities.
not.use.the.scanner.with.batteries.for.a.
month,.remove.the.batteries..Batteries.
can.leak.chemicals.that.destroy.electronic.
circuits.
and.properly..Do.not.bury.or.burn.them.
Current
1600.mAh
600.mAh
850.mAh

Charge.Time
16.hours
6.hours
8.hours