LEXUS
Lexus HS250h Hybrid Battery (2010–2012)
Problems, Warning Codes, Repair Options and Prices — Mobile Service in North Dallas
✓ 244.8-volt NiMH pack, 34 modules
✓ Module repair from $700
✓ Diagnostic credited toward the repair
Quick Answer
Battery: Nickel-metal hydride (NiMH), 34 modules of 7.2 V — 244.8 V nominal
Location: Trunk, behind the rear seat
Most common codes: P0A80 and P0A7F
Factory warranty: Expired on every HS250h
Typical fix: Module repair or full rebuild after testing
The HS250h was a hybrid-only Lexus sedan sold from 2010 to 2012. Every one is now well past its factory battery coverage, and many are on the original pack. Repair or rebuild is usually the most sensible way to keep one on the road.
HS250h Hybrid Battery by Generation
| Item | HS250h (2010–2012) |
|---|---|
| Chemistry | NiMH |
| Modules | 34 modules of 7.2 V |
| Nominal voltage | 244.8 V |
| Location | Trunk, behind the rear seat, in a metal case |
HS250h: What Owners Should Know
- The HS250h was only sold from 2010 to 2012, so every one is now well over a decade old and outside its factory battery coverage.
- Its 34-module, 244.8-volt NiMH pack sits in a metal case in the trunk, behind the rear seat.
- Because the HS250h is rare, many shops quote only a full replacement. We test first and repair only the modules that need it when that makes sense.
- If you are buying one, a pre-purchase battery inspection (from $200) is a smart step.
- Check your VIN for open recalls on NHTSA.gov before paying for any hybrid repair.
Common Symptoms
- Red triangle, check engine light and “Check Hybrid System”
- Engine running more often and lower MPG
- Battery gauge swinging quickly from full to low
- Weak acceleration on hills or highway merges
- Loud battery cooling fan
- Car won’t go into READY after sitting
Problems We See Most
Aging modules
After more than a decade, uneven module wear is the most common cause of hybrid warnings.
Cooling
A clogged intake or fan makes things worse. We check it every time.
Parts availability
HS250h-specific parts are less common than Prius parts. We source tested modules for repair or rebuild.
Warning Codes on the HS250h
On the HS250h, a worn pack usually sets P0A80 or P0A7F, often with P3000 or an INFO code. We confirm every code with block-voltage and load testing before recommending anything — see our hybrid error code guide.
HS250h Hybrid Battery Prices
| Service | Price (tax and mobile service included) |
|---|---|
| On-site full diagnostic | $150 in our North Dallas service area ($200 elsewhere in DFW) — credited toward the repair |
| Full pack rebuild | Quoted after testing — call for a price |
| Module repair (only weak modules replaced) | From $700 labor + parts |
| External pack charge (car sat too long / pack drained) | From $300 — see hybrid battery charging |
| Pre-purchase hybrid battery inspection | From $200 |
| Full battery replacement | Call for a quote |
Final price is confirmed after testing. Warranty runs from 1 to 3 years depending on the vehicle’s condition and mileage, in writing before work begins. See our full hybrid battery price list.
How DFW Hybrid Battery Handles a HS250h
We read every code and info code, check block voltages at rest and under load, inspect the battery cooling fan and intake, test the 12V battery, and show you the numbers before you decide on a module repair or a full rebuild.
Real HS250h jobs — coming soon
We publish real repair notes, test data and customer reviews for every model we work on. Had your HS250h checked by us? Leave a Google review — or see our repair case studies for similar hybrids.
Frequently Asked Questions
Is the HS250h related to any Toyota?
It shares hybrid technology with Toyota hybrids of the same era, but its pack and housing are specific to the HS250h.
Is the HS250h worth fixing?
Usually yes, if the rest of the car is in good shape. A battery repair costs far less than a replacement car.
Can you rebuild the HS250h pack?
Yes, with tested and matched modules.
How long does the job take?
Most module repairs are done on-site in one visit after testing.
Other Lexus hybrids we service: CT200h · ES300h · NX300h · RX400h / RX450h · GS450h · All Lexus models
Related: Prices · All vehicles · Hybrid Error Codes · Battery Charging · Diagnostics · Warranty · Areas We Serve
HS250h Hybrid Warning?
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