S85D23LEFB Battery
ACDelco 660 CCA • JIS D23L (EFB) • EFB Start-Stop • Compatibility & Installation Guide
About the S85D23LEFB
EFB stop-start battery built for higher electrical loads and frequent engine cycling
The ACDelco SQ85D23LEFB is an EFB (Enhanced Flooded Battery) designed for stop-start vehicles and higher electrical loads. It delivers strong starting power, faster recharge in city driving, and durability for frequent engine cycling.
Battery Specifications
Compatible Vehicles
The S85D23LEFB battery is commonly fitted to these vehicles (always confirm exact variant and battery layout):
Key Features & Benefits
- ACDelco quality construction for dependable starting
- EFB technology engineered for stop-start driving
- High charge acceptance for short-trip city use
- Strong CCA output for confident cold starts
- Maintenance-free, sealed design
- Designed for vehicles with higher electrical loads
- Vibration resistant for tough road conditions
- Built to match OEM fitment and hold-down style
Dimensions & Physical Specifications
| Measurement | Value (mm) | Value (inches) |
|---|---|---|
| Length | 229mm | 9.02" |
| Width | 172mm | 6.77" |
| Height | 222mm | 8.74" |
Installation Notes
Terminal Layout
Cell Layout 0 (as per ACDelco catalogue). Always match terminal position before installing.
Installation Steps
- Ensure engine is off and keys are removed
- Disconnect negative (-) terminal first
- Disconnect positive (+) terminal
- Remove battery hold-down bracket
- Carefully lift out old battery
- Clean battery tray and terminals
- Place new battery with correct layout and orientation
- Secure hold-down bracket
- Connect positive (+) terminal first
- Connect negative (-) terminal
- Apply terminal protection spray
EFB Technology Advantages (Stop-Start)
This battery uses EFB (Enhanced Flooded Battery) technology designed for modern vehicles with stop-start systems and higher electrical loads.
- Stop-Start Ready: Built to handle frequent engine cycling without rapid wear.
- Higher Charge Acceptance: Recharges faster during short trips and city driving.
- Improved Cycle Life: More durable than standard flooded batteries for repeated starts.
- Reliable Everyday Power: Supports accessories like infotainment, safety systems, and sensors.
- Maintenance-Free: Sealed design for clean, hassle-free ownership.
Frequently Asked Questions
Will this battery fit my vehicle?
If your vehicle uses the JIS D23L (EFB) size and you match the terminal layout and dimensions listed above, this battery should fit. Always confirm against your current battery label, battery tray, and terminal position.
What does 660 CCA mean?
CCA (Cold Cranking Amps) measures starting power in cold conditions. A higher CCA helps deliver reliable starts when temperatures drop and when your vehicle has higher electrical demand.
How long will this battery last?
EFB batteries commonly last 3–5 years depending on driving habits, climate, and electrical load. Frequent short trips, stop-start use, and long idle periods can reduce lifespan.
What warranty comes with this battery?
For private use in stop-start applications, ACDelco lists a 24-month warranty period (terms apply). Keep proof of purchase and ensure the vehicle charging system is operating correctly.
Last Updated: January 2026 | All specifications based on manufacturer data. Vehicle compatibility list is common-fit only and not exhaustive. Always verify fitment before purchase.