3000mAh Battery For Android Phone
The life of a battery depends on what it is feeding, the type of battery, the age of the battery and the environmental conditions. The "mAh", which means milliamps per hour, gives the battery's energy capacity. In your case, 3,000 mAh usually means that you can expect to get 100 mA for about 30 hours of use, or 10 mA for 300 hours, or 1 mA for 3,000 hours.
Typical “AA” lithium-ion batteries are rated at around 3,500 mAh and “AAA” batteries at around 1,250 mAh. Compare that to “AA” alkaline batteries, which are about 1,000 mAh and “AAA” at 450 mAh.
We covered this in depth in a recent review - Longer-lasting AA lithium-ion batteries, and here's a brief summary:
The lithium ion provides a flatter energy delivery, so a low energy device will last proportionally longer than a high energy device. An alkaline battery has an internal resistance that reduces the usable capacity at high discharge rates, so low power devices will proportionally outlast high power devices.
For some usage examples, a very low energy device like a mouse or keyboard would last about 9 months to a year for an "AA" Alkaline and up to 3 years for a "AA" Lithium Ion; a single bright LED flashlight with battery, you can get only 5 hours of continuous use with a 3000 mAh battery; An extremely low-power device, such as a wireless alarm sensor, can be powered for 5 to 7 years on a single “AAA” lithium-ion battery.
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Depends on many things that are:-
phone screen size, for example: a 5 inch screen will give more backup than the 5.5 inch screen, considering other constant factors type of processor used in the phone, for example: a 1.4 GHz processor made in 2010 will consume more energy than a processor in 2015 [by the same company]
Likewise, a high-powered GPU will consume more energy than a low-powered GPU [manufactured by the same company in the same year] the number of sensors used in the device and the use of these sensors will also lead to backup of variable energy, for example: an X phone whose GPS, wi-fi is always on will give less backup than the same phone X whose GPS, wifi is not turned on all the time.
Another important factor is the optimization of the operating system, for example: a phone with a more optimized operating system will give more backup than a phone with a less optimized operating system, how does this do it?
in Android 4.4, when the phone screen was turned off, the phone will not enter hibernate mode, that is, it will not force most processor cores to hibernate while on Android M (6.0), when the screen is off, the phone enters hibernation mode, that is, it forces most cores to hibernate and also disables synchronization.
There are many other factors, such as how you use the phone, based on users.
When the battery is fully charged, it depends on the discharge rate, the temperature conditions, and so on.
1) Discharge rate (rate C)
In the ideal / theoretical case, the time would be Time (H) = Capacity (Ah) / Current (A).
For example, 3000mAh with 3A output:
3Ah / 3A = 1 hour
If the capacity is given in ampere-hours and the current in amps, the time will be in hours (charging or discharging).
Let's take an example with rate C (discharge rate):
- When a 3000 MAH battery with a rate of 1 C, it can discharge continuously for 1 hour;
- When a 3000 MAH battery with a rate of 5 C, then the discharge volume times 10, then its duration is only one tenth. You can unload 12 minutes continuously;
2) Temperature
In general, all batteries achieve an optimum life if used at or below 20 ° C (68 ° F).
Therefore, in a low temperature (or high temperature) environment, this will speed up battery discharge.
For example, Grepow's LiFePO4 battery. The discharge capacity of 0.5C to -40 ℃ is more than 60% of the initial capacity; 0.3C to -35 ℃ is more than 70% of the initial capacity.
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