It all depends on the brand of laptop that you have purchased and the type of battery that it uses. Your battery hours range between 3 and 7 hours depending on how good the batteries life is for that particular laptop system.
That battery model will give about 1.5 hours of battery life before needing to be recharged.
Iron Man's suit can typically cover about 100 miles before needing to recharge or refuel.
A tractor battery typically lasts around 3 to 5 years before needing to be replaced.
A lawn tractor battery typically lasts around 3 to 5 years before needing to be replaced.
I imagine it started with rechargeable batteries and someone just personified the concept to include people needing energy.
Sony claims that its standard battery for the VAIO VGN-P530H/Q provides 4 continuous hours of running time before needing a recharge.
The SRAM eTap AXS battery typically lasts for about 60 hours of riding time before needing to be recharged.
Yes. Use a volt meter. A general rule of thumb is if the battery voltage is 95% or above of the maximum voltage, the battery is excellent. 90% is good but needing recharge (if rechargeable.) 80 to 90% is poor. Below 80% is very poor.
Camera batteries typically last for several hours of continuous use before needing to be recharged or replaced, depending on the type of camera and battery capacity.
Battery grips for Canon T3i cameras provide several benefits, including extended battery life, improved handling for vertical shooting, and the ability to use multiple batteries for longer shooting sessions without needing to stop and recharge.
the average time it takes for most rc racing boats before needing a recharge is about 30 mins depending on how long you charged it before you used it. http://www.bananahobby.com/rc-watercrafts-high-speed-racing-boats.html
Anything needing 12V to operate.