Got any AA batteries testers in the market?

[Venom81]

Is there any AA batteries testers? Care to recommend? Price/location of the product? :think:
Thanks.

 

[erwinx]

plenty of good and cheap multimeters in Sim Lim Tower. Even got those with 0.01 volt accuracy. Great for testing batteries and deciding which to discard.

 

[fuzzy]

but multimeters don't really tell much about remaining battery life right? they just tell the voltage and current the battery can still provide.

NiMH, lithium-ion, NiCd and lithium batteries are good at holding up their voltage until the last bit of juice...

only carbon zinc and alkaline batteries show voltage drops in its service life... i think

 

[Firefox]

but multimeters don't really tell much about remaining battery life right? they just tell the voltage and current the battery can still provide.

NiMH, lithium-ion, NiCd and lithium batteries are good at holding up their voltage until the last bit of juice...

only carbon zinc and alkaline batteries show voltage drops in its service life... i think

NiMH and NiCd hold their voltage fairly constant at 1.2v until they're almost fully discharge where the voltage drops suddenly. A freshly charged cell will measure 1.4v for a while.

Lithium cells actually gain voltage as they discharge.

Your typical battery checker actually checks voltage or current. You'll probably need a more complex circuit (more exp.) to do a true check.