STM Small Battery Kit for Evo X
The STM Evo X 680 small battery kit allows you to install a smaller, lighter battery to save 15 pounds while lowering the center of gravity. This kit fits cleanly behind your factory trunk panels in the stock location and installs in minutes with the new tie-down hardware.
The battery tie-down kit is available with or without the Odyssey PC680. Battery purchase will include a set of new terminals. Please note we cannot ship batteries outside the continental USA.
Vehicle Fitment:
2008-2015 Lancer Evolution X
Also Available:
Evo X 925 Battery Kit
Features:
• 20 pounds Lighter than Stock
• Quick and Easy Install
• Fits Behind Factory Trunk Panels
• Stock Location Mounting
Install Notes:
• Small batteries can fail if the posts are not torqued to 50 inch pounds. Additional torque will cause damage to your battery, so please be careful when installing.
• The longer "L" tie-down is used in the rear base (closest to the seats) of the battery tray. One is just a touch longer than the other.
• Lay the battery flat with the terminals on the highest side.
Recommended Battery Charger:
CTEK MXS Battery Charger (40-206)
Performance Notes and Warranty:
These small battery kits are used for racing! They are not designed for for an average daily driver and would absolutely NOT support any sort of aftermarket stereo and they are not great in cold temperatures. These batteries are not even intended for automotive use, but we and most of the racing community use them as such. STM does not warranty batteries. We offer the STM Lifetime Guarantee on the STM Battery Tie-Down, but we cannot warranty the batteries themselves as we are all using them in a way they were not intended for and any attempt we have made to have them warrantied by the manufacturer has been denied.
The typical life we get from one of these batteries varies from 1 year to 10 years. Expect to treat this battery as a maintenance item - once it's done, just get a new one. For a typical 300-600 HP street car, it's fine to sit for a week, drive and race on the weekends or drive everyday in nice temperatures (40-90°). If it sits longer than 2 weeks or if it's in freezing temps, we recommend keeping the charger handy.
These batteries will start your car with no problems and charge naturally with a working alternator, but if you're having ignition issues... in our experience you'll get about 10-15 attempts off a small battery before it starts to fade if it's fully charged. If it's been sitting untouched in a cold garage for 2 months, don't even bother trying, put it on a charger first.
STM Battery Tie-Down Kit Includes:
(1) STM Engraved Aluminum Bracket
(2) STM Tie-Downs
(2) 1/4-20 Stainless Wing Nuts
(2) M6 Stainless Flat Washers
(2) M6 Stainless Lock Washers
Additional Notes:
The batteries no longer include the STM battery top decals.
We no longer carry the black Genesis battery.
Previous Part Numbers: STM-EVOX-BATK1-PC680-BR, STM-EVOX-BATK1-PC680-BK, STM-EVOX-BATK1-GEN16-BR, STM-EVOX-BATK1-GEN16-BK, STM-EVOX-BATK1-BR, STM-EVOX-BATK1-BK, STM-EVOX-BATK1-C680-BR, STM-EVOX-BATK1-C680-BK, STM-BATK-EVOX-GEN16
The battery tie-down kit is available with or without the Odyssey PC680. Battery purchase will include a set of new terminals. Please note we cannot ship batteries outside the continental USA.
Vehicle Fitment:
2008-2015 Lancer Evolution X
Also Available:
Evo X 925 Battery Kit
| Stock Battery Weight: | 35.65 pounds | |
| STM-BATK-EVOX-PC680 | STM Battery Kit with Odyssey PC680 and Terminals | 15.10 pounds 20.55 lighter than stock |
| STM-BATK-EVOX-TD-680 | STM Battery Tie Down Kit | (Battery is not included) |
• 20 pounds Lighter than Stock
• Quick and Easy Install
• Fits Behind Factory Trunk Panels
• Stock Location Mounting
Install Notes:
• Small batteries can fail if the posts are not torqued to 50 inch pounds. Additional torque will cause damage to your battery, so please be careful when installing.
• The longer "L" tie-down is used in the rear base (closest to the seats) of the battery tray. One is just a touch longer than the other.
• Lay the battery flat with the terminals on the highest side.
Recommended Battery Charger:
CTEK MXS Battery Charger (40-206)
Performance Notes and Warranty:
These small battery kits are used for racing! They are not designed for for an average daily driver and would absolutely NOT support any sort of aftermarket stereo and they are not great in cold temperatures. These batteries are not even intended for automotive use, but we and most of the racing community use them as such. STM does not warranty batteries. We offer the STM Lifetime Guarantee on the STM Battery Tie-Down, but we cannot warranty the batteries themselves as we are all using them in a way they were not intended for and any attempt we have made to have them warrantied by the manufacturer has been denied.
The typical life we get from one of these batteries varies from 1 year to 10 years. Expect to treat this battery as a maintenance item - once it's done, just get a new one. For a typical 300-600 HP street car, it's fine to sit for a week, drive and race on the weekends or drive everyday in nice temperatures (40-90°). If it sits longer than 2 weeks or if it's in freezing temps, we recommend keeping the charger handy.
These batteries will start your car with no problems and charge naturally with a working alternator, but if you're having ignition issues... in our experience you'll get about 10-15 attempts off a small battery before it starts to fade if it's fully charged. If it's been sitting untouched in a cold garage for 2 months, don't even bother trying, put it on a charger first.
STM Battery Tie-Down Kit Includes:
(1) STM Engraved Aluminum Bracket
(2) STM Tie-Downs
(2) 1/4-20 Stainless Wing Nuts
(2) M6 Stainless Flat Washers
(2) M6 Stainless Lock Washers
Additional Notes:
The batteries no longer include the STM battery top decals.
We no longer carry the black Genesis battery.
Previous Part Numbers: STM-EVOX-BATK1-PC680-BR, STM-EVOX-BATK1-PC680-BK, STM-EVOX-BATK1-GEN16-BR, STM-EVOX-BATK1-GEN16-BK, STM-EVOX-BATK1-BR, STM-EVOX-BATK1-BK, STM-EVOX-BATK1-C680-BR, STM-EVOX-BATK1-C680-BK, STM-BATK-EVOX-GEN16
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Customer Reviews
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My factory batter finally died on me. I was looking at possible replacements and I stumbled upon stm. I was looking for a lightweight battery (because racecar) and after browsing the website I found this. Kit comes with everything you need and I opted for the black stm engraved brace plate. Since I had the trunk all opened and torn apart to try and jump my car, install took 10 minutes IF that. Weight difference was over half of the stock battery which was a plus putting it in the car since it’s an awkward area to lean over and work on it. Car runs great and I love the look of the battery even though no one else will ever see it. For the price and weight savings I highly recommend.
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