Swappable Battery Packs

Swapping battery packs is a fast way of continuing to use a system or product.

NIO vehicle coming out of a battery swap station
Designing Swappable Batteries

This article reviews and looks at designing swappable batteries. When plug-in charging is replaced with swapping, it leads to some non-obvious differences. Through the prism of practical situations, the readers can understand what is important in designing swappable batteries including the development of its concept, choosing the optimal form factor, and working out external parts and battery management systems (BMS).

fast charging versus battery swap
Hot Swap versus Fast Charge

How does battery swapping compare to fast charging?

Benchmarks

Choco-SEB is the new swappable battery standard from CATL
Choco-SEB

At the end of 2024 CATL announced a new standard for swappable automotive battery packs that they were offering.

Robot Battery Swap

The UBTECH Robotics Walker S2 robot battery swap demonstrates a robot that can operate indefinitely.

The robot has two battery packs, thus allowing one to be removed and placed in the charger before a fully charged pack is taken from the charge station and placed in the robot.

See also: CATL & Quibo Mobile Power Plant Ultra 2.0, 150kWh NIO ES6