Toyota Prius 2004–2009 Hybrid Battery Cells Set – Reliable Replacement

Balancing means equalizing the charge and capacity of all cells so the pack works evenly. Our technicians use professional equipment that repeatedly discharges and recharges the cells until their voltage and capacity match. As a result, the whole pack works more efficiently and lasts longer.

The Prius system automatically charges its hybrid cells while you drive. Therefore, you don’t need to charge them separately. Direct charging outside the vehicle requires special tools, and doing it incorrectly may cause damage. Instead, we provide modules that arrive fully balanced and ready to install.

You can check the basic voltage with a multimeter; however, this method does not show the true health of a cell. To get accurate results, you need a load test, which simulates driving conditions. We test every Prius cell under a 45A load, and that process guarantees real capacity and long-term reliability.

Reconditioning combines charging, deep discharging, and balancing. This cycle breaks down crystal formations inside the NiMH cells and restores lost capacity. While you could attempt it yourself, the process demands specialized tools. That’s why we recondition, balance, and capacity-match every pack before shipping.

Replacing Prius cells requires removing the battery pack, opening it, and swapping modules. Since the system runs on high voltage, trained specialists should handle it. In addition, our kits come fully prepared, so you only need to install them without extra programming.

You cannot actually repair a single cell. Instead, you either recondition the module or replace it. One weak cell quickly reduces the performance of the whole pack, so using matched modules gives much better results.

You can purchase Prius hybrid battery cells directly from us. We recondition, balance, and test every pack. In addition, we offer nationwide shipping in the continental U.S., a strong warranty, and no upfront core deposit.