Smartcell AA Ni-MH Rechargeable 800mAH Battery (Pack of 2)
| brand | Smartcell |
|---|---|
| Maximum Shelf Life | 12 Months |
| Charging Time | 4 hrs |
| Series | AA Rechargeable Battery |
| Country of Origin | China |
How many hours does a 800mAh battery last?
A battery rated at 800mAh delivers . 80% of the charge of the 1000mAh battery and therefore, in an ideal world, would last 48 minutes instead of one hour powering the same device.
What does 800mAh mean on a battery?
A: The mAh stands for milli-Ampere-hours and indicates how much electric charge the battery can provide. For example, if you discharge your battery through a circuit that requires 1 milli-Ampere of current it will last 800 hours before the battery runs down.
How long does a 800mAh battery take to charge?
For charging AAA cells (with capacity ~800mAh) the default 200mA setting is ideal. It gives roughly 4 hours of charge time. For charging AA cells (with capacity ~2000mAh) you should NOT use 200mA.
How long does a 1000 mAH battery last?
You should be able to power a circuit of 1,000 mA for an hour with the 1,000 mAH on your battery. Divide your load power by this. The load should last for 2 hours if it’s 500 mA and 30 minutes if it’s 2,000 mA.
How long will a 12ah battery last?
approximately 120 hours
The watts/volts are equal to the amps per hour. A tiny device such as led lighting of power 1.2 watts running on a 12volt power source will use 1.2W/12V = 0.1 amps. Therefore, a 12ah (amp-hour) battery will last for approximately 120 hours.
How long is a milliamp hour?
3,600 coulombs
Glossary Term: milliamp-hour
The amount of charge transferred in that hour is 3,600 coulombs (ampere-seconds). A milliampere-hour (mAh or milliamp-hour) is a thousandth of an amp-hour. An ampere-second (A-s or amp-second) is an amp supplied for one second.
What does 600mAh mean?
mah stands for milliamp hours. It’s a measure of the amount of energy a battery or battery set can store. Thus a 600mah battery can store more energy than the 400mah battery. More stored energy equals more talk time between charges.
How long will my batteries last?
To determine how long your battery will last, calculate the battery’s total capacity and divide it by your circuit’s power. Multiply the battery’s reserve capacity by 60. With a reserve capacity, for instance, of 120: 120 x 60 = 7,200.
Can I use 600mAh instead of 500mah?
Yes, there should be no problems. If the voltage of the batteries are the same, then the 600mAh batteries will last twice as long as the 300mAh batteries. Just make sure the 600mAh batteries will physically fit into the device your using.
How long does it take to charge 600mah?
If you have a 600 mAh charger, it should take 600/600 = 1 hour to charge fully.
How much time it takes to charge a battery?
Charging a car battery — 4 things to remember
Charging a regular car battery with a typical charge amp of around 4-8 amperes will take about 10-24 hours to charge it fully. To boost your battery enough to be able to start the engine, it would take around 2-4 hours.
How long does a 500 mAh battery last?
Depends what you are powering from it, for example a normal LED is taking about 15mA (amperage is the measure for instant consume and ampere hour is for capacity – 1mA=0,001Amps), which means you can power it from 500mAh battery for 33 hours. As the “name” say, 500mAh is powering a 500mA consumer for one hour.
How much charge is 10,000mAh?
With a 10,000mAh power bank (actual capacity: 6,660mAh), you can charge most new smartphones about 1.5 times.
How long will a 7Ah battery last?
Look for the energy rating listed in units of Ah, that is Ampere-hours. For example, a 12V 7Ah battery will last for 7Ah/10A = 0.7 h = 42 minutes while supplying 10A.
How long does 21 battery last?
Samsung’s 21 battery was well-reviewed for its long life, so heavy users report 6-7 years with proper care. Some people have said they’re getting one year or two and then having to replace it.
What does 12AH mean?
12AH means it can deliver 12 Amps for 1 hour, or some ratio in between such that current times time (in hours) = 12 before it goes dead. So the 12AH battery can deliver 500W for 1.152 Hours.
What does 12AH 20HR mean?
Simply said it means 20 Hour Rate. Usually SLA Batteries are rated at 20HR. A High Rate Battery on the other hand is generally rated at 10HR or less. Lets say a SLA battery is rated at 20Ah capacity at 20HR. This basically means that the battery can discharge 1 amp per hour over a 20 hour period.
How long will 20Ah battery last?
If a battery is rated at 20Ah capacity at 20HR, it means that the battery can discharge 1 Amp per hour over that 20 hour period. A High Rate Battery will typically be rated at 10HR or less. So if a High Rate Battery that is 20Ah capacity at a 10HR, it would be able to discharge 2 Amps per hour over a 10 hour period.
What does 400mah mean?
mil ampre hour is how long the Battery will last for recharging! The higher the number before the mAH the longer the battery will last and of course the higher the number the more expensive the battery will be in relation, very typical!
What does 2200mAh mean?
2200mAh is 2.2 Ah. Depending on user of battery say 1.5 V then you have 3.3 watts power. If you device pull 1 watt/h at 1.5 V then you have 3.3 hours of power.
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