We diagnose, rebuild, and replace hybrid & EV battery packs with OEM-grade cells — backed by a nationwide warranty and technicians who actually know what's inside your pack.
Every pack is tested cell-by-cell and rebuilt to OEM spec — pick your make to see exact fitment and pricing.
We scan your pack cell-by-cell to find exactly what's failing — not just reset the light.
A clear, itemized quote for rebuild vs. full replacement — no surprise add-ons.
OEM-grade cells, balanced and load-tested before they ever go back in your car.
Pack installed, system re-calibrated, and you're covered by a 12-month warranty.
Every replacement cell is tested and matched, not just “compatible.”
Nationwide coverage on parts and labor — in writing, every time.
California & Garden Grove Shipping
We currently provide shipping only within the state of California, including Garden Grove. We do not offer nationwide shipping.
Most rebuilds ship or finish install within two business days.
Nationwide warranty on every pack we rebuild.
Parts, labor, and peace of mind — because a hybrid battery should outlast the paperwork.
A Hybrid Battery, also known as a Drive Battery or Traction Battery, is an extra large, re-chargeable battery that has the ability to Push a car or a truck; maintain cruising speeds with the gas engine off; and fully power the electric workings of a car or truck (including the air conditioning) in the absence of the gas engine. The Hybrid Battery works in tandem with the gas engine to allow the engine to shut off and save gas when it is not needed for acceleration, thereby increasing both the MPGs and the Range that the vehicle can go on a tank of gas.
The price of a replacement Hybrid Battery depends on the type and size of the battery as well as the car’s Make and Model. It also depends on whether you are buying one brand new from the dealer, or buying a re-manufactured one. They tend to range from $950.00 to $12,500.00
The Early Warning Signs that your Hybrid Battery needs to be replaced are:
1) Your Mileage, and the Age of your car are nearing the expected Life Span of your particular Hybrid Battery.
2) Your Fuel Efficiency, or Miles Per Gallon (MPGs) are starting to drop.
3) The vehicle doesn’t stay in EV Mode with the engine off, as long as it used to.
4) Reduced Performance, or sluggishness, especially from 0 to 25 MPH. The gas engine may kick in quicker than it used to, from a dead stop.
The Immediate Warning Signs that YourHybrid Battery is Out, and Needs to be Replaced:
Your first indication will be Warning Lights on your dashboard. The Hybrid System is run by software, and monitored full time while driving, so the computer will sense when your Hybrid Battery has dropped in Capacity, to the point that the vehicle can no longer utilize the Hybrid Battery the way it was designed to do. That will trigger the Warning Lights.
The second indication is that your vehicle will no longer stay in EV Mode for more than a couple seconds, if it even goes into EV Mode at all.
Third, in the case of some Toyota, Lexus, Nissan, Infiniti, and General Motors vehicles, the Battery Fan will kick into High and become noticeably louder, when the Hybrid Battery goes out.
*To know for sure whether or not your Hybrid Battery needs to be replaced, a simple OBD Scan (On Board Diagnostics) will read your computer and report any Error Codes, including “Replace Hybrid Battery Pack.” Since 1996, all vehicles are required to have an OBD port to read the vehicle’s computer. Most Auto Parts Stores and Auto Repair Shops will scan your car for Free, just as We do, at Ace Hybrid Tech.
A simple Pass/Fail test of your Hybrid Battery can be done using an OBD scanner. If there is no error code that is reporting that your Hybrid Battery needs to be replaced, than it is still functional.
There are also a few aftermarket Apps, such as Dr. Prius, Hybrid Assistant, and Techstream that can be downloaded and/or purchased, which can give a better idea of your Hybrid Battery’s state of health. These utilize an OBD reader that plugs into your OBD port, and Bluetooth technology to communicate to the App on your smart phone or laptop. The i-phone uses an OBD reader named Veepeak to communicate; While the Android phones use an OBD reader named Elm 327.
Other than that, a Hybrid Battery has to be uninstalled from the vehicle; taken apart; and all of the cells tested individually. This is generally not going to be cost effective unless you endeavor to do it yourself.
We take Credit and Debit Cards, Business Checks, Cash, and Zelle.
Credit Card and Debit Card Processing will cost 4% more.
I.D. is required for all transactions.
Driving a hybrid vehicle is very similar to driving a conventional gasoline car, but a few simple habits can help maximize fuel efficiency and extend battery life. Accelerate smoothly, maintain a steady speed, and anticipate traffic to reduce sudden braking. Hybrid vehicles automatically switch between the gasoline engine and electric motor for optimal performance, so no manual intervention is required. Using regenerative braking whenever possible helps recover energy and recharge the hybrid battery. Regular maintenance and keeping your hybrid battery in good condition are also essential for reliable performance, improved fuel economy, and a longer vehicle lifespan.
A plug-in hybrid (PHEV) has a larger battery that can be charged using an external power source and can drive longer distances on electric power alone. A regular hybrid (HEV) does not require external charging. Instead, it automatically recharges its battery through regenerative braking and the gasoline engine. Knowing which type of hybrid you own is important when selecting the correct replacement battery or scheduling service.
Driving a plug-in hybrid (PHEV) is similar to driving a conventional vehicle, but charging the battery regularly allows you to maximize electric driving and fuel efficiency. For the best performance, keep the battery charged, accelerate smoothly, use regenerative braking whenever possible, and select the appropriate driving mode (EV, Hybrid, or Auto) based on your trip. On longer journeys, the vehicle automatically combines electric power and the gasoline engine to deliver optimal efficiency and performance.
Driving a hybrid vehicle is simple because the system automatically manages the gasoline engine and electric motor for optimal efficiency. To get the most from your hybrid, accelerate smoothly, maintain a consistent speed, avoid unnecessary hard braking, and take advantage of regenerative braking whenever possible. Regular maintenance and a healthy hybrid battery help ensure reliable performance, better fuel economy, and a longer battery lifespan.
Aggressively, Gently, or Economically?
Your driving style has a direct impact on the performance and lifespan of your hybrid battery. Gentle and economical driving—including smooth acceleration, steady speeds, and gradual braking—helps maximize fuel efficiency and reduces stress on the battery. Aggressive driving, such as rapid acceleration and hard braking, increases energy consumption, generates more heat, and can contribute to faster battery wear over time. Adopting efficient driving habits not only improves fuel economy but also helps extend the life of your hybrid battery.
You can improve fuel economy in a hybrid by driving smoothly, avoiding rapid acceleration, maintaining a steady speed, and using regenerative braking whenever possible. Keeping your tires properly inflated, reducing unnecessary weight, and following the recommended maintenance schedule also help improve efficiency. A healthy hybrid battery plays a key role in maximizing fuel savings, as it allows the electric motor to work more effectively and reduces reliance on the gasoline engine.
Dashboard light on? Let's find out why — for free.
Same-day diagnostics in Garden Grove, or ship your pack to us from anywhere in the US.
Ace Hybrid Tech | Hybrid battery replacement
