Description
The Redway 12.8V 100Ah LiFePO4 battery is a lightweight, high-performance solution designed for RVs, marine applications, solar energy storage, and off-grid living. Engineered with safety, longevity, and flexibility in mind, this battery delivers over 5000 cycles of stable power and smart functionality in a compact form.
Key Specs
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Voltage / Capacity / Energy: 12.8V / 100Ah / 1280Wh
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Cycle Life: >5000 cycles @ 80% DOD
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Max Charge/Discharge Current: 100A
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Charge Voltage: 14.6V | Cut-off: 10V
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Internal Resistance: ≤10 mΩ
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Self-Discharge: ≤1.5%/month
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Parallel Support: Up to 4 units
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IP Rating: IP65
Compact & Lightweight
Smart Features (Optional)
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Bluetooth, Mobile App, WiFi, GPS, LCD Display
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RS485, RS232, CAN-bus, RJ45
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Active Balancing & Self-Heating
Built-in BMS Protection
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Full protection against overcharge, over-discharge, overcurrent, temperature, and more
Certified & Reliable
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Safety Certifications: UL1642, IEC 62133, IEC 62619, CE, RoHS, UN38.3
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Design Life: 10 Years | Warranty: 3 Years
Redway Battery specializes in premium lithium solutions across 12V–100V ranges for energy storage, RVs, marine vessels, golf carts, forklifts, and more. OEM/ODM customization available.
Know More
Why Choose the 12V 100Ah LiFePO4 ULTRA Battery for Reliable Power?
The 12V 100Ah LiFePO4 ULTRA battery delivers superior energy density, 4,000–15,000 cycles, and advanced safety features, making it ideal for RVs, solar storage, marine, and backup power. Its lightweight build, Bluetooth monitoring, and scalability up to 20.48kWh outperform lead-acid batteries in runtime, lifespan, and efficiency. Redway Battery’s expertise ensures robust customization and global reliability.
What are the core specifications of the 12V 100Ah LiFePO4 ULTRA battery?
The ULTRA model offers 12.8V nominal voltage, 100Ah capacity (1,280Wh energy), and weighs just 24–28 lbs. It supports 100A continuous discharge, operates from -20°C to 60°C, and features a built-in 100A BMS. With 4,000+ cycles at 80% DoD and IP65 waterproofing, it meets UL, CE, and UN38.3 certifications.
Chart: Key Specifications Comparison
| Feature |
LiFePO4 ULTRA |
Lead-Acid Equivalent |
| Energy Density |
1280Wh |
600Wh (50% usable) |
| Weight |
24–28 lbs |
60–70 lbs |
| Cycle Life (80% DoD) |
4,000–15,000 cycles |
300–500 cycles |
| Charge Time |
5 hours (20A) |
8–10 hours |
| Self-Discharge Rate |
3% monthly |
30% monthly |
How does LiFePO4 chemistry enhance safety and longevity?
LiFePO4 chemistry is inherently stable, resisting thermal runaway, overheating, and combustion. It allows deep discharge cycles without risk of sulfation, ensuring 10+ years of service life. Automotive-grade cells in the ULTRA model enable reliable operation from -20°C to 60°C, outperforming NMC and lead-acid batteries in harsh environments.
What advanced BMS features ensure optimal performance?
The ULTRA battery integrates a 100A BMS with cell balancing, overcharge/over-discharge, and short-circuit protection. Optional Bluetooth or WiFi enables real-time monitoring via mobile apps, tracking voltage, temperature, and state of charge. Redway Battery offers customizable BMS settings for tailored OEM solutions.
Which applications benefit most from the 12V 100Ah ULTRA battery?
This battery is perfect for RVs, camping, solar energy storage, marine use, and backup power. It powers fridges, lights, and inverters for 10–20 hours, stores 1.28kWh per unit (scalable to 20.48kWh), and its waterproof design is ideal for saltwater environments and outdoor use.
How does the ULTRA compare to lead-acid and other lithium batteries?
The ULTRA provides twice the usable energy, ten times the lifespan, and 70% less weight than lead-acid batteries. Compared to standard lithium batteries, it offers broader temperature tolerance and UL certification. Redway Battery’s models include self-heating for sub-zero climates, a rare feature among competitors.
Chart: Cost-Benefit Analysis Over 10 Years
| Metric |
LiFePO4 ULTRA |
Lead-Acid |
| Total Cycles |
4,000 |
500 |
| Total Energy (kWh) |
5,120 |
300 |
| Replacement Cost |
$0 |
$2,000+ |
| Maintenance |
$0 |
$500+ |
What customization options does Redway Battery offer?
Redway Battery provides voltage and capacity adjustments (24V/48V, up to 400Ah), BMS upgrades (Bluetooth, 4G, GPS), IP68 enclosures, anti-vibration mounts, and custom terminals for high-current applications. Their OEM/ODM services ensure batteries are tailored to unique requirements.
How does scalability support large energy needs?
The ULTRA battery can be paralleled up to 16 units (12V 1,600Ah) or connected in series to 48V 400Ah, delivering up to 20.48kWh. Redway Battery’s modular design makes it easy to expand storage for off-grid homes, data centers, and telecom towers.
What certifications and warranties guarantee reliability?
The ULTRA battery meets UL1973, IEC62619, and UN38.3 certifications for global safety and transport. Redway Battery backs it with a 10-year warranty, ISO-certified manufacturing, and 24/7 technical support, ensuring long-term peace of mind.
Redway Battery Expert Views
“The ULTRA’s high cycle life, app-based monitoring, and cold-weather resilience make it a top choice. Redway Battery’s OEM flexibility means clients get batteries tailored to their exact needs, whether for RVs, solar, or industrial backup.” – Senior Engineer, Redway Battery
Conclusion
The 12V 100Ah LiFePO4 ULTRA battery sets a new standard for portable and backup power. Its advanced safety, scalability, and longevity make it the superior choice for RVs, solar, marine, and critical backup. Backed by Redway Battery’s customization and support, it outshines traditional options in every way.
FAQs
What is the lifespan of a 12V 100Ah LiFePO4 ULTRA battery?
10+ years or 4,000–15,000 cycles at 80% DoD, depending on usage and maintenance.
Can I use this battery in freezing temperatures?
Yes, with optional self-heating and Redway Battery’s cold-weather BMS, it operates reliably down to -20°C.
How many solar panels are needed to charge the ULTRA?
A 200W solar panel can recharge it in 6–8 hours under optimal sunlight.
Is the ULTRA compatible with my existing inverter?
Yes, it works with most 12V inverters; Redway Battery provides compatibility guidance.
Does Redway Battery offer global shipping?
Yes, with fast logistics and local technical support in key markets.
