Specially designed for your tennis machine, the spare battery provides uninterrupted support for your training with its long-lasting performance and versatile use.
 Long-term Use: Provides 3 to 6 hours of training on a single charge or can fire 2,000 to 3,000 shots .
 Versatile Design: Thanks to its compact structure, it can be used not only for your tennis machine but also as a power bank .
 Compatibility: Fully compatible with Staneg Pro tennis machines.
 Easy Portability: Thanks to its lightweight and ergonomic design, you can easily take it anywhere.
 Compatible with Staneg Pro model.
 It fits perfectly with the new type Staneg Pro case. You can use it without removing it from the case.