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BATTERIES DISCHARGE ALMOST IMMEDIATELY - HP Photosmart R707 Digital Camera

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Battery "memory" is largely a myth. You don't need to discharge nimh and nicad...


I'm not certain which camera models this applies to, but definitely quite a few:
Many of the camera makers to not emphasize that after your rechargeables become low, you still have to use the "discharge" function while in your camera, to drain them adequately, prior to recharging. Otherwise, the "memory" in the battery on how much charge it can take gets lower and lower. If that has happened, try the "discharge" function, which will restore full charge capability

on Jun 25, 2008 | Fuji FinePix S7000 Digital Camera

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NiMH batteries do not have memory effect. However, unlike NiCads, new batteries...


I'm not certain which camera models this applies to, but definitely quite a few:
Many of the camera makers to not emphasize that after your rechargeables become low, you still have to use the "discharge" function while in your camera, to drain them adequately, prior to recharging. Otherwise, the "memory" in the battery on how much charge it can take gets lower and lower. If that has happened, try the "discharge" function, which will restore full charge capability

on Mar 29, 2008 | Fuji FinePix S7000 Digital Camera

1 Answer

When I put in new batteries in my easy share C1530 they immediately discharge


There is an internal fault that is shorting out the batteries get it looked at before batteries explode or burst and camera internals get damaged more

Dec 31, 2015 | Kodak Easyshare C1530 14 Mp Digital Camera...

1 Answer

I had my wheel chair in storage for about an year, I have attempted to charge but when I disconnect the joy stick blinks yellow for low battery...How do I determine if both batteries are bad? If so do I...


Hi.Sounds like your batteries have sulphated plates, this happens when they sit for too long without being used. Your machine is a 24 volt system, so it needs both batteries to be working.You might be able to get a bit more life out of the batteries.
Try removing both batteries from the machine and connecting a light bulb across each battery and discharging them until they are flat.
Then using a 12 volt charger, ( not the charger for the machine, which is a 24 volt charger ), charge the 2 batteries in parallel. Sometimes it helps to charge them up the wrong way for a few hours, then discharge them again with the light bulbs. After this charge them again in parallel with the 12 volt charger, this time the correct polarity, a leave on charge for 12 hours.
You might have to repeat the charge, discharge cycle a few times.
The batteries will accept a charge after a bit of this, but they might not be as good as new batteries.
If you are unsure how to do this, get some help from someone who can do the work safely.
Good luck. Neil.

Jul 27, 2011 | Invacare Pronto M51 Power Wheelchair

2 Answers

Epson P-2000 won't work on battery power


yes, the p-2000 is basically a pile of ****. epson dont do repairs, but offer a replacement for £170! rubbish product, rubbish company, no support! bin it - my second has done the same.... junk!

Mar 17, 2008 | Epson PhotoFine P-2000 Digital Media...

1 Answer

Speedlite 550EX Speedlite Flash


Let the flash rest for two weeks, to discharge the cap.
Buy Energizer Lit. Batteries.
Do not touch batteries ends with fingers.
Cleans 4 batteries with an Ink Eraser.

Alexander
[email protected]

Apr 21, 2007 | Canon Speedlite 550EX TTL Flash

1 Answer

Fully charge the Mobilepro battery


No. Lithium Ion batteries prefer a partial rather than a full discharge. Repeated full discharging robs the battery of its capacity (useful life), the Lithium Ion battery prefers shallow over repetitive deep discharge cycles. Besides cycling, the performance of the Li-ion is also affected by aging. Capacity loss through aging is independent of use however the capacity is affected by both aging and usage. Battery wear-down on lithium-based batteries is caused by two activities: actual usage or cycling and aging. The wear-down affects by usage and aging apply to all batteries but this is more pronounced on lithium-based systems. The Li-ion batteries prefer a shallow discharge. Partial discharges produce less wear than a full discharge and the capacity loss per cycle is reduced. Simple Guidelines to extend useful life of the battery Charge the Li-ion often, except before a long storage. Avoid repeated deep discharges. Keep the Li-ion battery cool. Prevent storage in a hot car. Never freeze a battery.

Sep 14, 2005 | NEC MobilePro 900 Handheld

1 Answer

I just bought new rechargeable batteries, and got only a few shots. Why so little usage from new batteries? Is something wrong?


Nothing is wrong with the camera or the batteries. Rechargeable batteries of all kinds will self-discharge over time. Charge them fully (if they are NiMH completely charge and discharge them a few times), and you should see full battery capacity.

Aug 30, 2005 | HP Photosmart 120 Digital Camera

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