Li-ion

Infiniti Q50 Hybrid 346V Lithium-ion Battery (Direct Response Hybrid)

The Infiniti Q50 Hybrid 346V Lithium-ion Battery (Direct Response Hybrid) is the high voltage battery in the Infiniti Q50 Hybrid (2014-2018).

At a Glance

Li-ion chemistry
346 volts nominal
12 modules

Specifications

Chemistry	Li-ion
Nominal voltage	346 V
Modules	12
Module voltage	28.8 V
Location	behind the rear seat back (trunk)
Weight	49 kg

Cars That Use It

Infiniti Q50 Hybrid 2014-2018 3.5L V6 + 50 kW motor, one-motor two-clutch; fueleconomy.gov lists Q50 Hybrid 2014-2018 (346V Li-Ion) Run the checklist

What Goes Wrong

Reported failures, each from a source listed below, as of October 7, 2026.

Owner complaints NHTSA lists under the Hybrid Propulsion System component for the Infiniti Q50 Hybrid, by model year: 2014: 1. These are all hybrid system complaints, owner reported and unverified, not only battery faults, as of 2026-10-07.

Recalls

14V581000 2014 A software error can stop the electric motor while the car is being driven on the electric motor alone.

Check the exact car by VIN at nhtsa.gov/recalls.

Warranty

Infiniti's 2014-2018 HEV warranty information booklets, which list the Q50 Hybrid, cover the lithium-ion battery under the Hybrid Electric Vehicle (HEV) System warranty for 96 months or 100,000 miles, and say gradual capacity loss is not covered. (admin.owners.infinitiusa.com: 2016-infiniti-hybrid-warranty-booklet.pdf, 2026-10-07)

How battery warranties work.

Get This Pack Tested

Do not open it yourself. The pack can hurt you with the car switched off.

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How to test a hybrid battery safely

Sources

Last updated October 7, 2026. Failure and recall notes are as of that date. Spotted a mistake, or speaking for a maker? Report an error.

Hybrid Battery Test is independent. It is not affiliated with, sponsored by or endorsed by Infiniti. Names and part numbers are used only to identify the vehicle and the part.