Prolong maintenance grid charger/discharger for the 2004-2009 GEN 2 Prius. Charge/discharge harness is for Gen 2 only. You can use the bulb discharger and charger units with a Gen 3 but you'll need a Gen 3 harness from prolong. Works very well, no longer need as we now have a new battery. Lots more of info at Prolong Battery Systems. Extending the life of your hybrid. – Hybrid Automotive $460 new. Charge unit, light bulb discharger with digital voltage meter, charge/discharge harness and 120v wall plug cable included. $350 shipped CONUS only.
