Did you know that Cart Tek can service your Cart Tek Lithium Ion battery? For only $85 we send you a Lithium-Ion specific shipping box. Then you box up your battery with the enclosed shipping label and drop off with FedEx. We’ll diagnose and repair any issues with your battery. We run an extensive test to verify the fix and then ship it back to you. If the battery is unfortunately damaged beyond repair, we will apply the full charge towards the cost of a replacement battery.