Diànchíbāo zhōngshēn zhìbǎo shì ge búcuò de màidiǎn.
A lifetime battery-pack warranty is a nice selling point.
Tips
usage
EV battery vocabulary: 电芯 diànxīn (battery cell) → 电池模组 diànchí mózǔ (module) → 电池包 diànchíbāo (pack). Capacity is given in 度 dù (= kWh) in colloquial Chinese rather than spelling out 千瓦时.