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RJ TECH 12V 75Ah 80Ah 85Ah Sodium Ion Battery DIN H7 Group 94R RHP Layout 0 10000 Cycles High CCA Start Stop Car Battery Wholesale OEM

drop in replacement sodium ion automotive battery
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  • RJ-SIB-NA-12V-Start-Stop Battery

  • RJ

  • RJ-SIB-NA-12V-Start-Stop Battery

             

                            Super 10000CYCLES - Cold -40°C starts - FACTORY PRICE      


RJ TECH: Next-Gen Automotive Start-Stop Sodium Batteries


RJ TECH delivers 12V (50Ah–100Ah) automotive-grade sodium-ion SLI batteries. Engineered to solve AGM/EFB short lifespan and winter failure issues, we feature 10,000+ cycles and native -40°C cold starts.


Fully mapped to DIN (H4–H8), JIS (Q85/S95/T110), and BCI standards with exact RHP/LHP polarities for 100% drop-in fitment. Integrated smart BMS supports 10-min fast charging and 0V deep-discharge safety, providing high-reliability, zero-runaway solutions for global auto aftermarket & OEM partners.


Features:


  • Outstanding Low Temperature -40 °C Performance 

    Excellent Low-termperature performance without preheat delays, heating films, or parasitic power draw—radically simplifying your thermal design and  system costs.


  • Super long life >10,000 Deep Cycles

    Delivers 10,000 deep cycles using Grade A prismatic cells—outlasting lead-acid by 12 times to achieve the lowest levelized cost per cycle on the market.


  • High-CCA & Extreme Cranking Power

        Delivers massive Cold Cranking Amps (up to 1500CCA) with exceptional pulse discharge rates (15C–20C instant burst)


  • Ultra-Fast 15-Minute Charging

    Charges to 80% SOC in under 15 minutes with high-rate 3C–5C continuous discharge, keeping multi-shift fleet operations moving with zero downtime.


  • 0-Volt Transport & Safe Storage

    Discharges fully to 0V with zero thermal risk or capacity degradation, enabling safer shipping protocols and hassle-free long-term inventory storage.


  • Maximum Safety (Zero Thermal Runaway, Non-Flammable & Explosion-Proof)

    Passes harsh nail-penetration and extreme overcharge testing without fire or explosion risks, offering an operational safety margin far superior to conventional chemistries.


  • Flexible OEM/ODM Customization

    Full-service OEM/ODM support for both raw cells and integrated BMS battery packs, tailored to meet your exact voltage, enclosure, and communication protocol needs.


RJ TECH SIB battery OEM



RJ TECH 12V Sodium Car battery 2


RJ TECH 12V Sodium car battery 4


RJ TECH 12V Sodium car battery 3


RJ TECH 12V Sodium car battery 6




RJ TECH Sodium VS LFP OCV



RJ TECH Sodium battery cycles test



Form Factor BCI Dimensions (mm) Dimensions (Inches) Voltage Capacity Polarity
DIN L1 / H4 Group 47 207 x 175 x 190 8.15" x 6.89" x 7.48" 12V 50Ah – 55Ah RHP (Layout 0)
DIN L2 / H5 Group 47 242 x 175 x 190 9.53" x 6.89" x 7.48" 12V 55Ah – 65Ah RHP (Layout 0)
DIN L3 / H6 Group 48 / 94R 278 x 175 x 190 10.94" x 6.89" x 7.48" 12V 65Ah – 75Ah RHP (Layout 0)
DIN L4 / H7 Group 94R 315 x 175 x 190 12.40" x 6.89" x 7.48" 12V 75Ah – 85Ah RHP (Layout 0)
DIN L5 / H8 Group 49 353 x 175 x 190 13.90" x 6.89" x 7.48" 12V 90Ah – 100Ah RHP (Layout 0)
JIS Q-85 (D23) Group 35 230 x 173 x 225 9.06" x 6.81" x 8.86" 12V 60Ah – 68Ah LHP (Layout 1)
JIS S-95 (D26) Group 24 260 x 173 x 225 10.24" x 6.81" x 8.86" 12V 70Ah – 78Ah LHP (Layout 1)
JIS T-110 (D31) Group 31 306 x 173 x 225 12.05" x 6.81" x 8.86" 12V 85Ah – 95Ah LHP (Layout 1)
BCI Group 65 N/A 315 x 175 x 190 12.40" x 6.89" x 7.48" 12V 70Ah – 80Ah RHP (Layout 0)
BCI Group 51 / 51R N/A 238 x 129 x 223 9.37" x 5.08" x 8.78" 12V 45Ah – 50Ah 51: LHP / 51R: RHP



RJ TECH 12V Sodium car battery


RJ TECH Sodium Battery Package


RJ TECH Sodium ion Start-Stop Batteries FAQ 


Q1: Why choose Sodium-Ion over traditional AGM/EFB lead-acid batteries for automotive start-stop systems?

A: Sodium-ion batteries offer revolutionary performance upgrades for automotive SLI (Starting, Lighting, Ignition) applications:

  • 12 times Cycle Life: Delivers >10,000+ deep cycles, outlasting traditional AGM/EFB batteries (300–500 cycles) by more than ten times.

  • Superior CCA Output: Delivers higher Cold Cranking Amps (up to 1500 CCA) with minimal voltage sag during ignition.

  • Extreme Cold Start: Native -40°C cold cranking without needing parasitic internal preheating films.

  • 10-Min Ultra-Fast Charge: Recovers startup energy rapidly during short urban commutes, eliminating AGM chronic undercharging.

  • 50% Weight Reduction: Cuts battery weight by half lighter, aiding OEMs in fleet emission reduction.


Q2: Can your sodium-ion start-stop batteries directly replace DIN, JIS, or BCI standard AGM/EFB batteries?

A: Yes. RJ TECH batteries are manufactured in standard automotive enclosures—including DIN (H4–H8 / L1–L5), JIS (Q85/S95/T110), and BCI (Group 47/48/49/65/51). They feature identical physical dimensions, bottom hold-downs (B13/B14), standard terminal posts, and exact polarity layouts for 100% plug-and-play drop-in replacement without modifying battery trays or wiring.


Q3: How do I select the correct capacity and battery size for my vehicle fleet or product line?

A: You can select exact drop-in sizes based on original vehicle specifications:

  • 50Ah – 65Ah (DIN H4/H5 / JIS Q85 / BCI 51): For compact, C-segment cars, and auxiliary hybrid systems.

  • 65Ah – 75Ah (DIN H6 / JIS S95 / BCI 48): Core Best-Seller for mid-size sedans and SUVs (e.g., VW Passat, Audi A4, BMW 3-Series).

  • 75Ah – 85Ah (DIN H7 / BCI 94R / BCI 65): Core Best-Seller for full-size sedans, luxury SUVs, and American light trucks.

  • 90Ah – 100Ah (DIN H8 / JIS T110 / BCI 49): For heavy-duty luxury SUVs, MPVs, and commercial light trucks.


Q4: How does a Sodium-Ion battery deliver higher CCA (Cold Cranking Amps) than a larger AGM lead-acid battery?

A: Cold Cranking Amps depends heavily on internal resistance and pulse discharge rates, not just nominal Ah capacity:

  • Ultra-Low Internal Resistance: RJ TECH sodium-ion cells support high pulse discharge rates (15C–20C instant burst).

  • Higher CCA Output: A 60Ah sodium-ion battery comfortably delivers 1100CCA, matching or exceeding the cranking power of a heavier 70Ah–80Ah AGM battery.

  • 0 Cold Voltage Sag: Maintains a higher discharge voltage plateau during engine ignition, ensuring faster and smoother engine turns even under heavy engine loads.


Q5: Are terminal polarities (RHP / LHP) customizable, and why is polarity crucial for SLI batteries?

A: Vehicle engine bay cables have strict length limits, making correct polarity essential for installation.

  • Over 80% of European, American, and Chinese vehicles (DIN H5–H8) require RHP (Right Hand Positive / Layout 0).

  • Most Japanese vehicles (JIS Q85/S95) require LHP (Left Hand Positive / Layout 1).

    We supply exact OEM terminal layouts for both standards to eliminate cable fitment issues during aftermarket replacement.


Q6: How does an RJ TECH Sodium-Ion battery perform in harsh winter conditions (<-30°C)?

A: Traditional AGM lead-acid batteries lose up to 50% of cranking power at -20°C, causing frequent ignition failures. RJ TECH sodium-ion cells maintain high ionic mobility at extreme sub-zero temperatures, retaining >90% discharge capacity. They deliver native -40°C, zero-delay cold starts without relying on battery-draining heating films, guaranteeing reliable ignition in Arctic winter conditions.


Q7: What happens if a vehicle is parked for a long period or the battery experiences a deep discharge down to 0V?

A: Unlike lithium batteries, which suffer permanent chemical damage or thermal safety risks when discharged below 2.0V, sodium-ion chemistry can be safely discharged to 0 Volts without capacity loss or safety degradation. This completely eliminates battery dead-out during overseas shipping transit, long warehouse storage, or prolonged vehicle idle time.


Q8: Does the built-in BMS communicate with the vehicle ECU, and does it support reverse polarity protection?

A: Yes. Our integrated Automotive-Grade Smart BMS features real-time SOC/SOH tracking and optional CANbus/LINbus communication to sync seamlessly with vehicle Energy Management Systems (EMS). It includes hardware-level Reverse Polarity Protection, Overcharge Protection, and Thermal Protection, preventing costly vehicle ECU damage if incorrectly installed.


Q9: Is Sodium-Ion under-hood safe against thermal runaway and engine heat spikes?

A: Absolutely. Engine bays frequently experience ambient temperature spikes exceeding 85°C. Our sodium-ion prismatic cells pass rigorous nail penetration, overcharge, and heavy impact tests with zero thermal runaway or fire risk. Built with high thermal dissipation chemistry and reinforced aluminum casings, they easily withstand under-hood thermal stress.


Q10: What are your MOQ, sample availability, UN38.3 certification, and warranty for B2B commercial orders?

A: All RJ TECH automotive start-stop sodium batteries carry UN38.3, MSDS, and CE certifications for safe global logistics. We welcome sample orders for lab testing and fitment verification (dispatch within 3 days). Bulk OEM/ODM orders have a 15–25 day lead time, backed by a 5-year commercial B2B warranty.


                                                       CONTACT US- GET A  QUOTE NOW!            


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