How Long Will A 3ah Battery Last. An 18V or 20V Max 2Ah battery for example has 5 cells in it and each one of those cells is a 36V 2Ah cell FIG 2. An LPG leak detector that draws 2 amps and operates 24 hours will consume 48 amp hours from your batteries.
Moving to lithium-ion as an energy storage medium instead of the older nickel-cadmium batteries improves performance and runtimes. This battery life calculator estimates how long a battery will last based on nominal battery capacity and the average current that a load is drawing from it. Cost wise you can get.
This calculator will tell you what battery size you need.
12 months or longer depending on number of charges. Girlfriend has one at work and says its good. What this means for you. Cost wise you can get.
