U1 Upgrade Replacement Kit

Why is it necessary to replace the circuit control board for the ASIWO U1? After extensive laboratory testing and real-world sea trials of the 36V 28A 1008Wh outboard battery, our team identified areas for improvement and upgraded the battery’s internal structure. To ensure full compatibility and optimal performance with the upgraded outboard battery, the circuit control board of the ASIWO U1 has also been updated. Therefore, if you have purchased the outboard battery and own an older version of the U1, replacing the circuit control board is required. Please contact us to confirm whether your unit needs the replacement. After confirmation, we will arrange shipment of the new circuit control board to you.