Li-ion
Toyota Prius Prime 1st Generation (ZVW52) Li-ion Battery
The Toyota Prius Prime 1st Generation (ZVW52) Li-ion Battery is the high voltage battery in the Toyota Prius Prime (2017-2022).
At a Glance
- Li-ion chemistry
- 351.5 volts nominal
Specifications
| Chemistry | Li-ion |
|---|---|
| Nominal voltage | 351.5 V |
| Capacity | 25 Ah |
| Energy | 8.8 kWh |
| Location | Luggage compartment area behind the rear seat, under the cargo floor |
| Weight | 120.2 kg |
Cars That Use It
- Toyota Prius Prime 2017-2022 ZVW52 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 Toyota Prius Prime, by model year: 2022: 1. These are all hybrid system complaints, owner reported and unverified, not only battery faults, as of 2026-10-07.
Symptoms
- Toyota's 2020 Prius Prime Warranty and Maintenance Guide schedules cleaning of the HV battery cooling intake filter and refers to the owner's manual section on cleaning the hybrid battery air intake vent and filter. (techinfo.toyota.com: T-MMS-20PriusPrime.pdf, 2026-10-07)
Recalls
- 21V734000 2022 Engine control software may wrongly detect an error and shut the hybrid system down, causing a loss of drive power.
Check the exact car by VIN at nhtsa.gov/recalls.
Warranty
Toyota's 2017-2019 Prius Prime Warranty and Maintenance Guides list the hybrid battery under the 8-year/100,000-mile Hybrid System Warranty (10 years/150,000 miles for California-certified vehicles in the listed states), and the 2020 guide lists a separate Hybrid Battery Warranty of 10 years or 150,000 miles from the in-service date. (techinfo.toyota.com: T-MMS-20PriusPrime.pdf, 2026-10-07)
Get This Pack Tested
Do not open it yourself. The pack can hurt you with the car switched off.
Sources
- toyota-tech.eu: Prius_PHV_ZVW52.pdf
- toyota-cms-media.s3.amazonaws.com: 2021-Prius-Prime_Product-Info.pdf
- toyota-cms-media.s3.amazonaws.com: 2022-Prius-Prime_Product-Info.pdf
- cleantechnica.com: 2017-toyota-prius-prime-phev-specs-details-tech
- pressroom.toyota.com: toyota-extends-battery-warranty-for-model-year-2020-hybrid-p
- techinfo.toyota.com: T-DM-017-D.pdf
- techinfo.toyota.com: T-ERG-054-D.pdf
- techinfo.toyota.com: T-MMS-17PriusPrime.pdf
- techinfo.toyota.com: T-MMS-18PriusPrime.pdf
- techinfo.toyota.com: T-MMS-19PriusPrime.pdf
- techinfo.toyota.com: T-MMS-20PriusPrime.pdf
- NHTSA complaints, 2022 Toyota Prius+Prime
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.
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