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Can a 7.2 volt battery with 3000 mah substitute for a 8.4 battery with 1100 mah ? Answered

Hi, I am Planning on going airsofting with my echo 1 m4 commando, but do not have enough batteries to make it. The batteries my gun came with were 8.4 1100 mah NIMH rechargable batteries but i have some 7.2 volt , 3000 mah NIMH batteries lying around that i use for my rc car. I would like to know whether using the 7.2 volt batteries will either harm the gun or the batteries.

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mah doesn't mean anything other than (roughly) how long the battery will last. It's the voltage you need to worry about. 7.2 is a fair bit less than 8.4, so don't expect better performance.

They both sound about the same so i dont think it will overpower it but i dont know if the gun will be drawing to much from the battery to quickley

i think it might work but im not sure because these are 3000 mah and the others are 1100. i suggest give it a try because i dont think it would do that much, if any damage to the gun but try at your own risk sorry this hasnt really helped but im 80% sure it would be fine for the batteries and the gun :)