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Provide High Quality Energy Solution for Global Customer
3 Years
Tired of the limitations, weight, and short lifespan of traditional lead-acid batteries in your construction machinery and diesel generators? Upgrade to the future of starting power with the ZT-TEK H7 Sodium-Ion Battery. Engineered as a direct Lead Acid Battery Replacement, the H7 delivers superior performance, exceptional reliability, and significant operational savings.
Why Choose ZT-TEK H7 as Your Lead Acid Battery Replacement?
The H7 isn't just an alternative; it's a revolutionary advancement. Sodium-ion chemistry overcomes the fundamental drawbacks of lead-acid technology:
Extreme Cold Cranking Power (750A CCA): Starts engines reliably even in brutal -40°C conditions, far surpassing the cold-weather limitations of standard lead-acid batteries. Perfect for critical construction sites and backup generators in harsh climates.
Unmatched Cycle Life (2000+ Cycles): Outlasts lead-acid batteries by several times, drastically reducing replacement frequency and total cost of ownership (TCO). Invest in longevity.
Superior Safety: Inherently safer chemistry with no risk of thermal runaway or lithium oxide hazards found in some alternatives. Built-in BMS (with optional active/passive balancing) provides further protection.
Lightweight Design (≤12kg): Significantly lighter than comparable lead-acid batteries, making installation, handling, and replacement easier and safer for technicians.
Wide Temperature Tolerance: Performs flawlessly from extreme cold (-40°C) to high-heat environments, ensuring dependable starting power year-round.
Low Self-Discharge (≤3%/month): Holds its charge much longer during storage compared to lead-acid, ready to work when you are.
Eco-Friendly: Utilizes abundant sodium resources, offering a more sustainable power solution.
ZT-TEK H7 Sodium-Ion Battery Specifications (12V 35Ah):
| Feature | Specification | Advantage vs. Lead Acid |
|---|---|---|
| Chemistry | Sodium-Ion | Safer, Longer Lifespan, Wider Temp Range |
| Nominal Voltage | 12V | Direct Replacement for 12V Systems |
| Nominal Capacity | 35Ah @25℃, 0.5C Discharge | Consistent Power Delivery |
| Rated Energy | ~420Wh | High Energy Density |
| Cold Cranking Amps (CCA) | ~750A @-18℃ (Fully Charged) | Superior Cold Weather Starting Power |
| Internal Resistance | ≤10mΩ (Initial, AC 1kHz) | Faster, Stronger Cranking |
| Self-Discharge | ≤3% / Month @25℃ (Standby) | Longer Shelf Life, Ready When Needed |
| Cycle Life | Exceeds 2000 Cycles (Far surpasses Lead Acid) | Massively Reduced Replacement Costs |
| Weight | ≤12kg | Significantly Lighter - Easier Handling |
| Dimensions (LxWxH) | 315 x 176 x 187 mm (±2mm) | Standard Sizing for Easy Fit (H5 Compatible) |
| Terminals | Standard Automotive Lugs (Custom Copper Opt.) | Hassle-Free Installation |
| Certification | UN38.3 | Safe for Transport & Use |
Ideal Applications:
Direct Lead Acid Battery Replacement for Construction Machinery (Excavators, Loaders, Bulldozers, Cranes)
Starting Power for Diesel Generators (Gensets) - Primary & Backup Systems
Heavy-Duty Truck & Commercial Vehicle Starting
Reliable Ignition in Arctic Conditions or Extreme Heat
Applications demanding high CCA and long-term reliability.
Frequently Asked Questions (FAQ):
Q: Is the H7 really a direct replacement for my lead-acid battery?
A: Yes! The ZT-TEK H7 is designed as a direct Lead Acid Battery Replacement with standard 12V output, compatible dimensions (similar to H5 types), and standard automotive terminals. Installation is straightforward.
Q: How does sodium-ion handle extreme cold better than lead-acid?
A: Sodium-ion chemistry maintains much lower internal resistance in freezing temperatures. This allows it to deliver the high burst current (750A CCA) needed for reliable starting at -40°C, where lead-acid batteries often fail or struggle significantly.
Q: Why is the lifespan so much longer?
A: Sodium-ion cells are inherently more resistant to the degradation mechanisms (like sulfation) that plague lead-acid batteries, especially under deep discharge or partial state-of-charge conditions common in starting applications. The robust BMS also protects the cells.
Q: Is special charging equipment needed?
A: No. The H7 operates within a standard voltage range (6V - 14.4V) and is compatible with standard vehicle alternators and lead-acid battery chargers. Its built-in BMS manages charging safely.
Q: What makes it safer?
A: Sodium-ion chemistry is fundamentally more stable than lithium-based alternatives and doesn't use volatile or toxic materials like lead and sulfuric acid. It has no thermal runaway risk.
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