If your battery PA04-A700-C it´s damaged or autonomy its poor, we can do a new cell pack in your old case, to bring a second life to your original scooter battery, if it´s possible, in the same case we can do a larger capacity battery pack than original, extending range of km per charge. We only do battery packs with high quality cells, these are cells of high quality and long life to get the best performance.