Nissan Altima

Nissan Altima Hybrid Battery – Professional Diagnostics, Replacement, and Installation

The Nissan Altima Hybrid, produced between 2007 and 2011, marked Nissan’s first step into hybrid technology for the mid-size sedan market. Nissan licensed Toyota’s Hybrid Synergy Drive system to combine a 2.5L gasoline engine with an electric motor and a 245V Nickel-Metal Hydride (NiMH) battery pack. This battery powers the vehicle’s regenerative braking, electric assist, and idle-stop functions.

Battery Performance and Common Issues

The greater the warranty, the more impressive the battery’s capacity (Ah) and power – it’s like a promise of enduring energy and reliable performance!
Read more about Hybrid Battery Technology

As one of Nissan’s earliest hybrid systems, the Altima Hybrid battery endures demanding thermal and electrical conditions. Typically, the battery shows signs of degradation after over 10 years or more than 100,000 miles. However, usage and climate can speed up wear. Drivers may notice erratic engine cycling, loss of electric drive mode, reduced fuel economy, or hybrid warning lights as common symptoms of battery failure.

Replacement Services with Quality Assurance

Our facility specializes in replacing Nissan Altima Hybrid batteries. We provide fully reconditioned battery packs designed to match the vehicle’s original system. Technicians assemble each unit using matched cells and resistance-balanced modules. We test the packs under load to mimic real driving conditions. Before installation, we verify the battery’s state of charge (SOC) alignment and thermal stability.

Installation and Cooling System Maintenance

Unlike modern hybrids that use lithium-ion batteries, the Altima uses an actively air-cooled NiMH battery. During installation, we inspect and service all ducting and fan assemblies. These parts often become obstructed or degrade with age. Poor airflow can cause thermal hotspots and premature battery failure. Addressing airflow issues during installation helps prevent these problems.

Professional and Safe Installation Process

We offer both in-shop and mobile installation, depending on location and safety requirements. Since the hybrid battery sits in the trunk, our technicians carefully remove interior panels and connect the battery to the vehicle’s ECU and power inverter. Our certified experts follow manufacturer guidelines and high-voltage safety standards to protect the vehicle’s electronics and occupants.

Post-Installation Diagnostics and Support

After installation, we perform a full system scan and relearn procedure. This resets hybrid-related diagnostic trouble codes (DTCs) and validates voltage and current performance. We provide detailed diagnostic reports with module-level readouts upon request.

Extending the Life of Your Altima Hybrid

Although the Altima Hybrid is a first-generation system, proper battery maintenance keeps it efficient and responsive. Many owners prefer to extend their vehicle’s life rather than retire it early due to battery problems. Our goal is to support this choice with expert battery solutions and professional installation.

Warranty and Recycling Services

All battery replacements come with warranty coverage. We safely remove and recycle the original battery pack and offer maintenance tips to help preserve battery health for the long term.