HV traction battery BYD Seal U SUV 2025

Used high-voltage (HV) traction battery for BYD Seal U SUV (model year 2025). State of health (SOH) is measured and stated before dispatch - the test report comes with the part. Donor vehicle mileage: 8,580 km.

The part is in our offer and supplied to order: we confirm availability within 24 hours, delivery takes 5-10 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 Seal U SUV 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.