Honda / Blue Energy Co.
Honda i-MMD Gen4 Hybrid Pack
Lithium-ion (NCM, refined cell formulation) cells from Blue Energy / Panasonic · 1.5 kWh total (1 kWh usable) · used in 2 model variants.
Honda i-MMD Gen4 Hybrid Pack
Pack overview
Known issues
How this pack ages (industry context)
Industry fleet aggregates: 2.3% average annual capacity loss across 22,700 EVs / 21 models (Geotab, 2026), and 95% range retention at 5 years on average across 30,000+ vehicles (Recurrent, 2026).
OEM warranty floor on this pack: 8 yr / 100k mi.
Public per-pack degradation curves are not available for most models. Individual results vary materially with climate, charging behavior, and DC fast-charge frequency.
Vehicles using this pack
Battery-Related NHTSA Recalls
Recalls affecting battery, charging, electric propulsion, or thermal-event systems on vehicles using this pack. Recalls are deduplicated across model variants; affected vehicles are listed for each campaign.
Honda (American Honda Motor Co.) is recalling certain 2023 Honda CR-V Hybrid vehicles. The high voltage battery modules may have been manufactured incorrectly, which can cause the battery terminal or busbar to break and spark.
Consequence: An electrical spark increases the risk of an injury or fire. In addition, a loss of drive power may occur, which can increase the risk of a crash.
Affects: Honda CR-V 2023-2025
For TWD editorial coverage of major recall campaigns, see /recalls/.
Pack family
Honda i-MMD Gen4 Hybrid Pack is part of the honda-immd family. Related packs:
Frequently Asked Questions
What chemistry is the Honda i-MMD Gen4 Hybrid Pack?
The Honda i-MMD Gen4 Hybrid Pack uses Lithium-ion (NCM, refined cell formulation) cells supplied by Blue Energy / Panasonic. Cell format: Prismatic. Pack architecture: Compact pack under rear seat, air-cooled, larger module count vs Gen3.
What is the warranty on this pack?
8 years or 100,000 miles. Specific terms vary by year and trim; check the manufacturer's warranty booklet for the exact vehicle.
How much does this pack degrade over time?
Industry-wide fleet aggregates show roughly 2.3% average annual capacity loss across 22,700 EVs (Geotab, 2026), with about 95% range retention at five years on average across Recurrent's 30,000+ vehicle fleet (2026). Public per-pack degradation curves are not available for most models. The Honda i-MMD Gen4 Hybrid Pack battery warranty runs 8 years / 100,000 miles, which is the OEM-guaranteed minimum within that period. Individual results vary with climate, charging habits, and DC fast-charging frequency.
Which vehicles use the Honda i-MMD Gen4 Hybrid Pack?
Honda Accord 2023-2025 (Hybrid trim (Sport/EX-L/Touring)); Honda CR-V 2023-2025 (Hybrid trim (Sport/Sport-L/Sport Touring)).