D 10Ah for Sparta 24V Battery pack NTA2543 NTA2402 29110630 29110476 GPNTA2376 29110444 bicycle E bike customizable|Replacement Batteries| - AliExpress
1st Sparta ION e-Bikes with Li-ion Batteries Hit the Market
The SPARTA ION CITYSEAT - intelligent electric-assist bicycle
Sparta Ion PMU2/GEN2 DT NiMH Bike Battery 24V 11Ah - Twindis