What is 21700 battery?

21700 battery is one of the most popular and commonly found cells in the battery pack in electric vehicles, battery-powered construction equipment, portable power cutting/ drilling tools, the emergency torch, flashlight, etc. after 18650 battery cells.

How many cells are in a single 21700 battery?

A single 21700 battery contains 4416 cells, as seen in the Model 3/Y Long-Range battery pack. The battery pack consists of 4 modules, with each module containing 46 cells.

What are the characteristics of a 21700 battery?

The characteristics of a 21700 battery include a capacity in the range of 3000 to 5000 mAh, depending on the model, design, and chemistry. The charging and discharging currents of 21700 batteries depend on the high or low-drain power of the battery.

What is the voltage of a 21700 battery?

The 21700 batteries have a voltage range of between 2.5 and 4.2 volts. The 21700 cells have a charging voltage of 3.7V and 4.2V, which is the standard for a 21700 battery.

How much power does a 21700 mAh battery hold?

You don’t really notice the size increase, but you definitely feel the performance upgrade. At its core, a single 21700 cell usually holds 4000–5000 mAh with a nominal voltage of 3.6–3.7 V. Fully charged, it hits 4.2 V, and cutoff usually happens around 3.0 V.

How many Mah does a 21700 cell hold?

At its core, a single 21700 cell usually holds 4000–5000 mAh with a nominal voltage of 3.6–3.7 V. Fully charged, it hits 4.2 V, and cutoff usually happens around 3.0 V. In practice, I’ve seen these cells hold up better under high current draw compared to 18650. Less heat, less sag, and more usable runtime.