Whether you daily a rugged BJ40, commute in an X55, or run errands in a D20, the right battery means confident cold starts, stable voltage for electronics, and fewer warning lights. This guide explains which battery tech (Flooded vs EFB vs AGM) best fits BAIC vehicles, how to choose the correct size, and how to install and care for it. When you’re ready to shop, jump straight to curated searches for BCI Group 47 (H5) AGM, Group 48 (H6) AGM, JIS 55D23 EFB, and DIN-60 size.
Table of Contents
- Quick Picks for BAIC Owners (By Use Case)
- Top Battery Types for BAICs (What to Choose & Why)
- BAIC Model-Specific Buying Tips
- BAIC Battery Fitment Cheat Sheet (Most-Common Sizes)
- Spec Targets: CCA, RC, and Warranty
- Best Car Battery Brands for BAIC & Where-to-Buy
- BAIC Car Battery Installation Guide (DIY or Shop)
- BAIC Car Battery Maintenance & Longevity
- Contact BAIC Customer Service & Support
- BAIC Car Battery FAQs
Quick Picks for BAIC Owners (By Use Case)
- Daily driver (no start-stop): Quality Flooded/Lead-Acid or EFB with solid Reserve Capacity. See Group 47/H5 choices or DIN-60. ~$120–$220 (Flooded), $160–$260 (EFB)
- Start-stop BAIC (idle stop): EFB (good) or AGM (best). Do not downgrade. Try JIS 55D23 EFB or H6/Group 48 AGM. ~$180–$360
- Premium trim / electronics-heavy / short trips: AGM for fast charge acceptance and vibration resistance. Browse AGM best sellers. ~$200–$380
- Hot climate: Favor higher RC and heat-tolerant EFB/AGM designs. Compare EFB.
- Cold climate: Prioritize higher CCA. AGM typically cranks better in the cold. High-CCA AGM picks.
- Off-road (BJ40/BJ80): Rugged case, AGM preferred for vibration. See Group 94R (H7) AGM and Group 48 (H6) AGM.
- BAIC EVs (EU5, EC200, etc.): Replace the 12-V auxiliary with same tech/size (often AGM/EFB). Aux AGM options.
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Top Battery Types for BAICs (What to Choose & Why)
| Type | Best For | Pros | Watch-outs | Typical Price |
|---|---|---|---|---|
| Flooded/Lead-Acid | Older BAIC models without start-stop | Lowest cost; widely available | Lower cycle life; can struggle with heavy loads | $100–$200 • Shop DIN-60 |
| EFB | Start-stop trims; urban driving | Better cycling than flooded; cost-effective | Not as robust as AGM | $160–$280 • Shop 55D23 EFB |
| AGM | Premium trims, off-road, cold climates | High CCA; strong vibration resistance; fast recharge | Higher price; needs correct charging profile | $200–$380 • Shop H6/Group 48 AGM |
BAIC Model-Specific Buying Tips
- BJ40/BJ80 (4×4): Choose tough-case AGM for trail vibration. Common picks include 94R/H7 AGM or 48/H6 AGM. ~$230–$380
- X55 / X55 II / X7 crossovers: Start-stop trims: EFB or AGM. Non-start-stop: Flooded or EFB. See H5/Group 47 and H6/Group 48. ~$160–$320
- M60 / Family MPVs: Prioritize higher RC for lights/HVAC in traffic. Consider 55D23 EFB. ~$170–$260
- D20 / Compact sedans & hatches: Efficient Flooded or EFB; check terminal orientation (L/R). Try 46B24 or Group 47. ~$120–$220
- Senova/Beijing sedans (U5, etc.): Many trims are EFB/AGM. Consider H5 AGM or H6 AGM. ~$190–$330
- BAIC EVs (EU5, EC200, EX360, etc.): Replace the 12-V auxiliary with same tech/size (often AGM). The main traction pack is separate. See 12-V AGM. ~$140–$260
BAIC Battery Fitment Cheat Sheet (Most-Common Sizes)
| BAIC Model (example trims) | Common Size Codes | Tech | Notes |
|---|---|---|---|
| BJ40 / BJ80 | BCI 94R (H7), 48 (H6) | AGM preferred | Off-road use benefits from AGM vibration resistance |
| X55 / X55 II / X7 | BCI 47 (H5), 48 (H6), DIN-60 class | EFB or AGM for start-stop | Check start-stop; don’t downgrade from OE tech |
| M60 (MPV) | JIS 55D23L/R, 75D23 | EFB or Flooded | Higher RC helpful for accessories |
| D20 (compact) | JIS 46B24L/R, BCI 47 (H5) | Flooded / EFB | Mind terminal orientation (L vs R) |
| Beijing/Senova sedans | BCI 47 (H5), 48 (H6) | EFB / AGM | Premium trims often AGM |
| EU5, EC200, EX360 (EV – 12-V only) | Compact AGM (varies by year) | AGM | Aux battery supports ECUs; match OE size/tech |
Spec Targets: CCA, RC, and Warranty
RC: Reserve Capacity
Tech: Flooded / EFB / AGM
- CCA: Meet or exceed the OE spec; cold regions benefit from +50–100 CCA.
- RC: Higher RC helps with lights/HVAC/audio during short trips or traffic.
- Technology: If your BAIC came with EFB/AGM, do not downgrade to standard flooded.
- Warranty: Target 24–36 months free replacement (region-dependent), longer is better.
- Orientation: JIS batteries have L/R terminals; H-codes (H5/H6/H7) use side clamps—verify before purchase.
Best Car Battery Brands for BAIC & Where-to-Buy
| Brand Line | Why It’s Good | Where to Browse |
|---|---|---|
| AGM Performance Lines | High CCA, fast recharge, sealed & spill-proof | H6/Group 48 AGM picks |
| EFB Start-Stop Lines | Optimized cycling for idle-stop city driving | 55D23 EFB options |
| Value Flooded Lines | Budget-friendly, reliable for non-start-stop BAICs | DIN-60 sizes |
- Buy online: Easy fitment filters; look for fresh stock and strong return policies.
- Buy local: Instant testing/installation; core returns handled on the spot.
- Tip: If you use start-stop, always select EFB or AGM—software calibrations assume the original tech.
How to Check Freshness & Authenticity
- Check the date code (letter+number or MM/YY). Prefer units manufactured within the last 3–6 months.
- Inspect packaging/seals; avoid scuffed cases or missing vent caps on JIS sizes.
- Voltage on arrival: ~12.6–12.8 V for fresh Flooded/EFB; ~12.8+ V for AGM after settling.
- Buy from reputable sellers; keep the invoice for warranty claims.
Car Battery Warranty Tips
- Know the free replacement vs prorated periods and keep proof of installation.
- Ensure the alternator is healthy (13.8–14.8 V typical) to avoid warranty denials.
- Register or “reset” battery monitoring systems on start-stop BAICs when required.
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BAIC Car Battery Installation Guide (DIY or Shop)
- Preserve memory: Use an OBD memory saver if available, especially on start-stop trims.
- Power down: Ignition off, key out, lights off. Open hood and locate the battery and fuse/terminal covers.
- Remove negative (−) first: Loosen the negative terminal, secure the cable away from the post.
- Remove positive (+) and hold-down: Keep track of brackets/bolts and any sensor leads.
- Lift out safely: Batteries are heavy; use both hands or a strap.
- Prep new unit: Confirm size, terminals, and venting. For AGM/EFB, remove transport plugs if present.
- Install: Place battery, secure hold-down to OE torque—no movement allowed.
- Reconnect: Positive (+) first, then negative (−). Apply dielectric grease to terminals.
- Initialize: Start the engine. For start-stop BAICs, perform battery registration/reset if applicable; drive 15–30 min to relearn SOC.
- Recycle: Return the old battery for core credit and proper disposal.
BAIC Car Battery Maintenance & Longevity
- Drive long enough weekly for a full recharge; short trips cause chronic undercharge.
- Use a smart charger (AGM/EFB mode) if the car sits >2 weeks. See smart chargers.
- Keep terminals clean and tight; check grounds and accessory draws.
- Avoid deep discharges; start-stop can be disabled temporarily in extreme heat/cold to preserve SOC.
- For off-road: add terminal protectors and check brackets after corrugated roads.
Signs You Need a New Battery
- Slow crank, dimming lights, or intermittent start-stop availability.
- Voltage rests below ~12.4 V repeatedly or fails a load/conductance test.
- Swollen case, leaks, or strong sulfur smell.
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Contact BAIC Customer Service & Support
- BAIC Global Site: baicintl.com
- BAIC Group: baicgroup.com.cn
- Dealer/Store Locator: Check your regional BAIC website’s “Find a Dealer” page.
- Owner’s Manuals/Diagrams: Regional BAIC sites or your local distributor’s support section.
BAIC Car Battery FAQs
How long should a BAIC car battery last?
Most BAIC models see 4–6 years from an AGM/EFB in moderate climates. Heavy start‑stop use, short trips, extreme heat/cold, or added accessories can shorten life to ~3–4 years.
How much is a BAIC car battery?
Expect roughly $140–$230 for quality Flooded, $170–$270 for EFB (common on start‑stop trims), and $220–$380 for AGM depending on size (LN2/LN3/LN4), brand, and region.
Which battery type does my BAIC need—Flooded, EFB, or AGM?
If your BAIC has start‑stop, use EFB (good) or AGM (best). Do not downgrade from an OE AGM/EFB to a standard Flooded battery—charging strategy and durability will suffer.
What are the common battery sizes in BAIC vehicles?
Many BAIC sedans/crossovers use European sizes like LN2 (H5), LN3 (H6), or LN4 (H7). Always verify by VIN, owner’s manual, or measuring tray, hold‑down, and terminal orientation.
Do I need to register/code a new battery?
On models with a Battery Management System (BMS) or intelligent sensor, coding/registration helps the ECU charge correctly and keeps start‑stop working. Dealers and good independents can perform this.
What CCA (Cold Cranking Amps) should I aim for?
Meet or exceed the OE spec. In cold climates, consider +50–100 CCA above the minimum to improve winter starting and reduce wear.
My start‑stop stopped working—does that mean the battery is bad?
Not always. Start‑stop disables when state‑of‑charge is low or after replacement without coding. Fully charge the battery, check connections and IBS sensor, and perform BMS reset before condemning the battery.
Can I upgrade from EFB to AGM?
Yes. Upgrading EFB to AGM is typically fine and may improve cycle life and charge acceptance. Ensure the size, venting, and BMS coding are correct.
How do I know the battery is failing?
Slow cranking, dimming lights at idle, frequent start‑stop deactivation, electrical glitches at startup, or poor results on a load/conductance test indicate the battery is nearing end of life.
How can I maximize battery life in my BAIC?
Keep terminals clean and tight, drive longer trips periodically to recharge, use an AGM‑safe maintainer if the car sits, and avoid heavy accessory use with engine off.
Is it safe to jump‑start a BAIC?
Yes—follow the owner manual: correct polarity, approved jump points, and remove leads promptly. After a jump, recharge fully and test the battery to prevent alternator overwork.
What warranty should I look for?
Aim for at least 36 months free replacement (or regional equivalent). Keep receipts and note install date; some warranties require periodic testing or proof of proper charging.
Bottom line: Match the size, terminal layout, and technology to your BAIC’s original spec—EFB/AGM for start-stop, AGM for off-road or cold climates. Prioritize fresh stock, solid RC, and a strong warranty, and you’ll get reliable starts and stable voltage for years.
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