Looking for the Porsche Cayenne S Hybrid charger? View the dedicated 2011–2014 Cayenne NiMH HV-EL1 product page.

The Maxx Volts HV EL-1 'Discharge Ready' Extreme High Voltage Battery Charger is recommended for the GM hybrid variants listed here with 40 module batteries that are starting to show signs of deterioration or "out of balance". The GM hybrid configurations are compatible with the Maxx Volts HV Pro Automatic Dischargers.
For GM hybrid variants, the one-piece wiring harness is installed using the applicable vehicle installation instructions. Once correctly installed, it provides an accessible connection for charger maintenance.
For GM hybrid variants, the included Discharge Ready option allows for easy 'Plug-and-play' addition of a Maxx Volts Pro Discharger later, if deemed beneficial after first using the charging system.
Package includes:
- Maxx Volts HV EL-1 Entry Level Hybrid Battery Grid Charger
- Maxx Volts "Discharge Capable" year, make and model specific vehicle wiring harness
- GM hybrid variants include battery cooling fan support during charging.
- AC power cord 120vac input (for domestic US customers)
- Vibration proof patented military grade wiring taps
- Online Video or PDF Installation guide depending on vehicle
- General Use Operating Instructions
- 180 day power supply warranty for EL-1 model chargers
