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Batteries compatability and Charger question for digital camera ?????
Justmadeit
30-03-2009
I currently have a fuji overnight charger that charges 1800mah batteries, the batteries need replacing, the question is........... can i use this charger with higher rated batteries, ie : 2000 mah plus ones ??

My charges output is 2 x 2.8v = 150ma. model 1000 499.1 if that means anything to anyone ?????

Any advice needed, thanks
cordunkni
30-03-2009
I'd think so. They might take just a little longer to reach full charge.
Justmadeit
30-03-2009
Does anyone know for sure ???
tm009f0737@blue
30-03-2009
personally,i wouldent risk damaging a digital camera with batteries that are not exact same as the ones as your model of camera takes,the slightest higher volt of electricity could be fatal to you camera,and also very costly,you could also forget any warranty you had with your camera,and more to the point,would leave your camera beyond repair.Why take the risk,cough up for new batteries,they will most likelly last you the life-span of you camera.Search on-line for cheapest price.It up to you,but just bear in mind the cost of your camera and the cost of batteries,make the wrong choice then your buying both....your call....good luck.
chrisjr
30-03-2009
The higher capacity batteries should be OK as long as they are the same technology as the old ones, eg both NiMH types. The charger might take longer to charge them though.

Mind you you can get a charger and batteries for not a lot of cash these days so might be worth getting a set with charger. Don't have to be Fuji either. I use a mix of Uniross and generic Maplin batteries in my Fuji camera. The charger I use even has a car fag lighter plug so you can charge the batteries up in the middle of nowhere (as long as you have a car near by that is ) And it charges them in a couple of hours max which is very handy if you need them in a bit of a hurry. Cost under 20 quid for charger and four NiMH 2500mAH batteries as I recall.

And they will be perfectly safe in your camera. Batteries of the same type and size should be the same voltage. The only difference is the current capacity. It is the camera alone that determines how much current is drawn from the battery when in use. All putting a higher capacity battery in will do is take longer to drain the battery.
LCDMAN
30-03-2009
Originally Posted by tm009f0737@blue:
“personally,i wouldent risk damaging a digital camera with batteries that are not exact same as the ones as your model of camera takes,the slightest higher volt of electricity could be fatal to you camera,and also very costly,you could also forget any warranty you had with your camera,and more to the point,would leave your camera beyond repair.Why take the risk,cough up for new batteries,they will most likelly last you the life-span of you camera.Search on-line for cheapest price.It up to you,but just bear in mind the cost of your camera and the cost of batteries,make the wrong choice then your buying both....your call....good luck.”

With all due respect, you are talking complete twaddle. Using rechargeable batteries with a higher capacity will have no detrimental effect at all, they will last a little longer on each charge but may take longer to charge to capacity - that is all.

As chrisjr said, the camera will only draw the current it requires, a higher capacity battery will allow it to draw the current for longer before the battery is spent and needs recharging.
Justmadeit
03-04-2009
Originally Posted by LCDMAN:
“With all due respect, you are talking complete twaddle. Using rechargeable batteries with a higher capacity will have no detrimental effect at all, they will last a little longer on each charge but may take longer to charge to capacity - that is all.

As chrisjr said, the camera will only draw the current it requires, a higher capacity battery will allow it to draw the current for longer before the battery is spent and needs recharging.”

how do you know how long to charge for though it i get 2500 batteries for example ?? i was doing a 12 hr charge on the 1800 batteries i had
chrisjr
03-04-2009
If I were you I would get a set of batteries and charger. Throw your old charger away (well dispose of it responsibly anyway ) For example something like this...

http://www.maplin.co.uk/Module.aspx?ModuleNo=45804

Comes with 4 2400mAH bateries and a car adapter. Charges the batteries in a bit over an hour. I've used something very similar to this for years without any problem.

Having the ability to run the charger in the car is a definite bonus. Means that you can have a set of batteries in the camera and a spare set in the charger and just keep swapping them over. By the time the set in the camera run out the set in the charger will be nicely cooked
Slipstreem
03-04-2009
Originally Posted by Justmadeit:
“how do you know how long to charge for though it i get 2500 batteries for example ?? i was doing a 12 hr charge on the 1800 batteries i had”

If the charger clearly states "150mA" then you're not fully charging the 1800Ma/h cells you have already if you only charge them for 12 hours. NiMH cells are only around 66% efficient, so they need charging to 1.5 times their indicated capacity to be fully charged.

The time for a full charge will be the capacity divided by the charge current times 1.5, so...

In the case of a 150mA charger, you'd need to charge the 1800mA/h NiMH cells for 18 hours to fully charge them.

With the same charger and 2500mA/h cells, the charging period for a full charge will be 25 hours.

You could by a rapid charger but it will reduce the number of charge/discharge cycles before the cells are fit for the bin unless it's an intelligent rapid charger. On the basis that good rapid chargers cost considerably more than a few sets of cells will cost you, the cheapest and most reliable (ie, long-lived) solution is just to have a few spare sets ready-charged from a conventional charger and cycle them around.

These are facts you can check for yourself by Googling reputable sources.
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