HV traction battery BYD Dolphin 2025 · 1443294700

Used high-voltage (HV) traction battery for BYD Dolphin (model year 2025). State of health (SOH) is measured and stated before dispatch - the test report comes with the part. Donor vehicle mileage: 9,599 km. OE number: 1443294700 - compare it with the label on your part.

The part is in our offer and supplied to order: we confirm availability within 24 hours, delivery takes 7-14 working days. VAT invoice (23%). 12-month warranty when we install the part at our workshop in Imielin, Poland. Shipping across Poland and the EU (batteries on a pallet, ADR).

Before you buy a whole pack, ask us about repair: we fix many batteries at module level (replacing failed modules, balancing cells) from 3 500 PLN. We also replace the BYD Dolphin battery with BMS adaptation at our workshop in Imielin near Katowice, Poland. ECU Technik specialises in diagnostics and service of electric and hybrid vehicles - certified for high-voltage work, with our own battery test bench.