Sourcing Requirements
Custom Lithium Battery; We imported some electric city cars from China, but unfortunately the AGM batteries fitted did not deliver the promised performance; In fact, the overall voltage: Five batteries mounted in series for a 3.5 kW motor is 60 V and six batteries for a 7.5 kW motor is 72 V. They have the following dimensions: L x W x H mm (331 X 175 X 230), but both models did not last more than 14/15 months; Furthermore, another electric city car model with a 4 kW motor (72 V) is powered by a single lithium battery with the following abbreviation: "CSY-H19-Q09 V. 72-120Ah" and the following dimensions: L x W x H mm (331 X 175 X 230). (585 X 315 X 240) despite having a 4-year warranty, it didn't last more than 2 years; In conclusion, we would like to know if it would be possible to replace the 12V AGM batteries with lithium batteries of the same size. We would like to know if it is technically possible to do this, leaving the entire electrical and charging system as originally installed. We await technical information with scrupulous assurance of feasibility, as well as any quotes you may offer, and the warranty period we can guarantee our customers.