GP chargers and Sanyo NiMH Batts

Stoppable · 9th May 2003

I have one of those older GP NiMH charger. And seeing how cheap we can get Sanyo Batts at our MOs, was wondering if it is safe to buy Sanyo Batts and use my GP Powerbank charger with them.

stk · 9th May 2003

For AA batts, the GP Powerbank charges at 100mA indefinitely, while the Powerbank II charges at 130mA for 16 hrs before switching to 75mA indefinitely.

If u use the above chargers to charge Sanyo 2100mah batts, it will be safe. But it will probably take many many long long hours before they are fully charged..

Recommend u get a faster n smarter charger like the Ripvan oem..

Stoppable · 9th May 2003

Thanks for the valuable info.

So the 2100MaH rating of Sanyo Batteries has nothing to do with the speed at which it is charged. It really depends on the charger, right? Can I then deduce that the 2100MaH is an output rating. The battery's input rating is determined by the chager's output rating...

Wah, so hard to understand..

lytefunk · 9th May 2003

Actually regarding battery ratings, the 2100mAh in this case is the capacity of the battery

Briefly, if u break up the units, (mA)(h)
so 2100mAh means it can deliver 2100mA for 1 hour
or 1050mA for 2 hours
etc etc
*theoretically*

so a charger that charges at 100mA will take (2100/100 = 21) 21 hours to charge the battery the full capacity (usually longer since energy transfer is never 100%)

but of course.. this is just briefly... all the other things like.. log curves, etc etc .. just makes it more complicated

9th May 2003	#1
Stoppable Member Join Date: Apr 2003 Location: Serangoon Posts: 449	GP chargers and Sanyo NiMH Batts I have one of those older GP NiMH charger. And seeing how cheap we can get Sanyo Batts at our MOs, was wondering if it is safe to buy Sanyo Batts and use my GP Powerbank charger with them.

9th May 2003	#4
lytefunk Member Join Date: Feb 2002 Posts: 333	Actually regarding battery ratings, the 2100mAh in this case is the capacity of the battery Briefly, if u break up the units, (mA)(h) so 2100mAh means it can deliver 2100mA for 1 hour or 1050mA for 2 hours etc etc theoretically so a charger that charges at 100mA will take (2100/100 = 21) 21 hours to charge the battery the full capacity (usually longer since energy transfer is never 100%) but of course.. this is just briefly... all the other things like.. log curves, etc etc .. just makes it more complicated __________________ Do life. Live visually.

9th May 2003	#2
stk Member Join Date: Jan 2002 Location: AMK, Singapore Posts: 610	For AA batts, the GP Powerbank charges at 100mA indefinitely, while the Powerbank II charges at 130mA for 16 hrs before switching to 75mA indefinitely. If u use the above chargers to charge Sanyo 2100mah batts, it will be safe. But it will probably take many many long long hours before they are fully charged.. Recommend u get a faster n smarter charger like the Ripvan oem..