Volt Nimh
Airsoft battery question?
how long should a 8.4 Volt 1200 mah NiMH mini battery last for? (shots or time) and how long does a 8.4 Volt 4200 mah NiMH take to charge and how long does it last?
To figure out how long to charge a battery for:
(battery capacity (battery’s mAh rating)/charger output (mA – usually written on the charger)) x 1.4(for NiCad batteries, 1.5 for NiMh batteries) = time (in hours).
For example:
I have an 1100 mAh battery and a charger which outputs at 180mA (it should be written somewhere on the charger – Output= X mA – or something like that). It’s a NiMh battery so you multiply by 1.5.
(1100/180) x 1.5 = 9.146666 hours
Note that the result in decimal, so 9.16 hours is NOT 9 hours and 16 mins! 0.16 of an hour is approximately one sixth of an hour or ten mins.
I can’t estimate how long the batteries will last you as it all depends on the gun in which you’re using them – wiring quality varies between brands, leading to more resistance, stronger springs require more energy to compress etc… As a reference, in a stock TM gun (280fps with 0.2g) that 1200mAh mini battery should last you a whole day’s play.
EDIT: go24 – maybe in an RC car… Not in a airsoft gun. (the motors are different and they’re not constantly running as they are in a car).
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