What does a 4 cell battery mean?

4 cell simply means it has 4 lithium ion 18650 type cells in its battery pack, 18650 cells can have different capacity ranging from 2AHr to 3.4Ahr, so it will depend more on the capacity not on the number of cells.

How many hours is 4 cell battery?

4 cells. 14.8 V dc. Lithium Ion (Li-Ion) Delivers up to 3.5 hours of system run time.

How many mAh is a 4 cell battery?

If the total volts for 4 batteries is 14.4 volts then mAh of each battery is 3200.

How long does a 52WHr battery last?

Dell XPS 13 9370 The refreshed XPS 13 9370 (about $1,000) comes with 15W eighth-gen Intel Core processors (CPU) and a 52WHr battery. This combination nets you about 10 hours for a 13.3-inch 4K configuration and about 13 hours for the 1080p version, both great uptimes.

How long does a 60Wh battery last?

The power isn’t even fixed during runtime but varies depending on the CPU load and peripheral devices usage. For example a laptop that has an average power of about 20W uses a 60Wh battery will have 60Wh/20W = 3h of life time. But another 15W laptop can run on the same battery for 4 hours.

What are LR20 batteries?

These alkaline D sized or LR20 cells have an excellent specification. These alkaline D sized or LR20 batteries last six times longer than ordinary zinc carbon batteries, and for some applications, up to 14 times longer. These alkaline D sized or LR20 batteries have a shelf life in excess of four years.

What does WHR mean for battery?

Watt Hour
Watt Hour or Whr is the amount of power used over a period of time (1 hour). 1 Whr is equal to 1 Watt of power used for an hour. Voltage measures the volume of electricity that is delivered to your laptop. Many laptop makers have produced batteries that have differing voltage ratings.

What is difference between 40wh and 65wh battery?

“wh” stands for watt/hours, so the 65wh battery stores more energy. The 65wh battery will last 6.5 hours while the 40wh one will only last 4 hours. Of course, your laptop may use more or less power than that, depending on how bright your screen is set, how many apps you’re running, etc.

What does 24wh mean?

24 Watt Hours is equal to 1.33 Amp Hours. To put that in perspective 18 volt batteries rated at 4 Amp Hours have 72 Watt Hours of available power (multiply Amps times Volts to get Watts). Watt Hours is a better way to state available power because with Watt Hours you can compare 12v tools to 18v tools.