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For all you engineers out there; Lithium Battery Question - Click HERE for Original Thread
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hammermdx
Some of the sensors in my house alarm are wireless and take a Lithium 3.6V 850mAh size ½ AA battery. I have been buying replacements at Radio Shack for $10.99 each. Here’s my question, I have found a bunch of on-line sites that sell similar batteries for about $5.99, but not at the 850mAh rating, they only have them at the 950mAh rating.

Do you think it would be safe to use the 950mAh battery, does the increase mean they should last longer? I need to make sure the increase in mAh will not damage any of my devices. Thanks in advance for your help.
mogur
No, a given device for a given voltage will only consume as much power as it needs. The larger capacity simply means that it should last longer (it's like a larger fuel tank). Go for it.

Tom


quote:
Originally posted by hammermdx
Some of the sensors in my house alarm are wireless and take a Lithium 3.6V 850mAh size ½ AA battery. I have been buying replacements at Radio Shack for $10.99 each. Here’s my question, I have found a bunch of on-line sites that sell similar batteries for about $5.99, but not at the 850mAh rating, they only have them at the 950mAh rating.

Do you think it would be safe to use the 950mAh battery, does the increase mean they should last longer? I need to make sure the increase in mAh will not damage any of my devices. Thanks in advance for your help.

hammermdx
quote:
Originally posted by mogur
No, a given device for a given voltage will only consume as much power as it needs. The larger capacity simply means that it should last longer (it's like a larger fuel tank). Go for it.

Tom




Thanks!
frostyra
Mogur hit it right on the head, as usual!:4: His comprehensive study on octane requirements was a classic if I ever saw one.:18:

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