Sodium-Ion · Start-Stop Battery

Next-Generation Sodium-Ion
Start-Stop Batteries

CAS-backed technology delivering reliable cold starts from −40°C. Drop-in AGM replacement with 2,000+ cycle life and zero maintenance.

"Powering Every Start. Sustainably."
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−40°C
Cold Start Rating
2,000+
Cycle Life
3 Yr
Warranty
30%
Lighter
Cellrhythm Sodium-Ion Start-<img src=
01 · Company Overview

Who We Are

Cellrhythm Tech is committed to replacing lead-acid car batteries with safer, longer-lasting, eco-friendly sodium-ion alternatives.

🏭 Established Track Record

Professional battery production line with each cell and core component traced back for any quality issues.

🔬 R&D-Driven Innovation

Backed by Chinese Academy of Sciences scientists, Cellrhythm focuses on sodium-ion chemistry – delivering reliable starts from −40°C.

🌐 Global Commercial Reach

Active distribution networks spanning Southeast Asia, Europe, the Middle East, and America.

⚡ Core Business – Sodium Start-Stop

Committed to replacing lead-acid car batteries with safer, longer-lasting, eco-friendly sodium-ion alternatives.

"

Battery manufacturing is a complex interplay of electrochemical factors, requiring extensive experimentation and hands-on expertise. Unlike approaches that rely solely on quantitative data, China's success stems from the relentless efforts of its engineers — refining their craft through trial and error, achieving a harmonious balance in materials and manufacturing processes.

At Cellrhythm Tech, we leverage this unique blend of Eastern wisdom and Western innovation to serve our global clients. Our mission is to deliver cutting-edge battery solutions that harmonize the best of both worlds, ensuring a sustainable and competitive future.

— Cellrhythm Tech Mission Statement

02 · Market Opportunity

The Start-Stop Battery Market

Sodium-ion is rapidly becoming the future of automotive start-stop systems globally.

📈
$2.03B
Global sodium-ion start-stop market (2024 est.)
🚀
$3.21B
Projected market size by 2031 (CAGR ~6.8%)
🏭
20+
Companies entering Na-ion start-stop market in 2025
♻️
3×
Longer lifespan vs lead-acid batteries

✦ Why Sodium-Ion Is the Future of Start-Stop

✓

Abundant, low-cost sodium resources — no lithium dependency

✓

Excellent high-power / low temperature performance for reliable engine starts

✓

100% drop-in AGM-compatible — zero vehicle modification needed

✓

Eco-friendly: no lead, no cobalt, fully recyclable chemistry

03 · Product Portfolio

Start-Stop Battery Series

Covering mainstream ICE and hybrid vehicles with AGM-compatible form factors.

Standard
H6-70
Voltage12V
Capacity70 Ah
Cycle Life3000
CCA760A
Compatible Vehicles Audi Q3, A6L, A4, Q5L
VW Passat, Tiguan
STANDARD H6-70 电池
Premium Best Seller
H7-80
Voltage12V
Capacity80 Ah
Cycle Life3000
CCA890A
Compatible Vehicles BMW 5-Series, Mercedes-Benz E
Audi A8, Volvo XC90
STANDARD H7-80 电池
Pro
H8-92
Voltage12V
Capacity92 Ah
Cycle Life3000
CCA950A
Compatible Vehicles BMW 7-Series, Audi Q7/Q8
Mercedes S-Class
STANDARD H8-92 电池
Touring
S95
Voltage12V
Capacity95 Ah
Cycle Life3000
CCA850A
Compatible Vehicles Lexus LS/RX, Honda Odyssey
Land Rover Discovery
STANDARD H8-92 电池
04 · Technical Advantages

Na-Ion vs Lead-Acid

How Cellrhythm sodium-ion compares against traditional lead-acid batteries.

Parameter Cellrhythm Na-Ion Traditional Lead-Acid
Cold-start @ −28°C ✅ 10C pulse discharge ❌ Poor performance
Deep Discharge ✅ Safe to 0V, no damage ❌ Permanent damage
Charge Interval ✅ Every 12 months ⚠️ Every 3 months
Cycle Life ✅ 2,000+ cycles ❌ 300–500 cycles
Weight ✅ ~30% lighter ❌ Heavy
Maintenance ✅ Zero maintenance ⚠️ Regular top-up
Eco-Friendly ✅ No lead, 100% recyclable ❌ Lead contamination
Smart BMS / App ✅ Integrated BMS + App ❌ Not available
05 · Application Scenarios

Where We Deliver Most Value

Designed for the real-world demands of modern drivers and fleet operators.

🚗

Urban Daily Commuter

Frequent engine start/stop cycles in city traffic drain lead-acid batteries fast. Na-ion handles 2,000+ cycles effortlessly — ideal for urban drivers.

High-frequency stop-go
🌨️

Cold-Climate Regions

Reliable −40°C cold-start performance ensures your car starts every morning, even in harsh winters — without the sluggishness of lead-acid.

North China / Russia / Europe
🏎️

Premium & Luxury Vehicles

H7/H8 series with CCA 890–950A power high-load electronics in BMW, Mercedes-Benz, Audi, and Volvo platforms.

High-power demand vehicles
✈️

Long-Term Storage / Travel

Vehicles parked for weeks or months stay powered. Na-ion tolerates full discharge to 0V, eliminating dead battery on return scenarios.

Business travel / holiday cars
🔋

Eco-Conscious Consumers

No lead, no cobalt, 100% recyclable. A direct drop-in replacement for existing AGM lead-acid batteries — zero installation hassle.

Green upgrade path
🚐

Fleet & Commercial Vehicles

Maintenance-free operation over 5 years reduces TCO for taxi fleets, logistics vans, and shuttle services significantly.

TCO reduction for operators
06 · Why Cellrhythm

Our Competitive Edge

Science, scale, and global reach — built into every battery we ship.

🔬

Scientific Foundation

  • Backed by Chinese Academy of Sciences researchers
  • CAS-verified cold sodium-ion chemistry
  • Continuous R&D investment in next-gen solid-state sodium cells
🌐

Global Market Reach

  • 7,000+ overseas industry members on LinkedIn
  • Active partnerships across Southeast Asia, Europe & Middle East
  • English-fluent team for seamless cross-border collaboration
⚡

Product Excellence

  • 5-year warranty on all start-stop battery products
  • AGM drop-in replacement — zero modification needed
  • Integrated BMS monitoring for real-time battery health
Let's Connect

Ready to Explore Sodium-Ion?

"Powering Every Start. Sustainably."

🔗

LinkedIn

linkedin.com/in/battery-production-line-provider
📧

Business Email

leowong@cellrhythmtech.com
📍

Headquarter

#15, Hongwei Rd. Nancheng District, Dongguan, Guangdong, China

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