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EcoBoss 12.8V 100AH LiFePO4 Battery
Supercharge your off-grid freedom with our ultra-reliable 100Ah 12.8V LiFePO4 Deep Cycle Battery—engineered with an advanced BMS and premium cells to deliver 4000+ cycles of lightweight, safe, and long-lasting power for RVs, marine, and solar storage.
● 3-year life and 3000-150000 cycles, equivalent to 3 lead-acid batteries.
● Fast charging, 50% charge in one hour.
● 100Ah LiFePO4 Battery works well in the winter.
● Lightweight, 43.1 pounds, easy to carry.
● No risk of leakage, safer to use, easy to expand capacity up to 4 sets.
Get the Highlights
This 12.8V 100Ah lithium iron phosphate battery comes with a long-term warranty and is a robust and reliable upgrade from traditional lead-acid batteries. It features an advanced battery management system with built-in high and low temperature protection to ensure safe and stable charging and discharging in harsh environments. Suitable for applications such as RVs, marine vessels, off-grid systems, and home backup power.
High-Performance Protection
Built with an intelligent Smart BMS, the 12.8V 100Ah LiFePO₄ battery offers multiple layers of electrical protection, including over-charge, over-discharge, over-current, and short-circuit protection. The battery supports stable operation within defined temperature ranges, with charging from 0°C to 50°C, discharging from −20°C to 60°C, and recommended storage from −10°C to 30°C, helping maintain long-term reliability and safety.
Scalable Energy Solution with Series & Parallel
Our 12.8V 100Ah lithium iron phosphate battery supports flexible series and parallel expansion, enabling 24V capacity upgrades or 48V voltage regulation, allowing you to customize high-power microgrids like building blocks.
Fit Anywhere, Power Everywhere
Perfect for any space—from home off-grid and backup power to camping and marine adventures. With a rugged, shockproof design that installs securely in any orientation, it delivers effortless energy independence. Choose our ultra-durable 12.8V 100Ah LiFePO4 battery and power a greener, freer, and more space-saving tomorrow.
Product Video
SPECIFICATIONS
Electrical Performance
| Battery Type | Lithium Iron Phosphate (LiFePO₄) |
| Nominal Voltage | 12.8V |
| Voltage Range | 10.0V – 14.8V |
| Rated Capacity | 100Ah |
| Energy | 1280Wh |
| Cycle Life | 4000 – 15000 Cycles |
| Connection Method | Series (Up to 4); Parallel (Up to 4); Series & Parallel (4S4P) |
Charging Parameters
| Charge Voltage | 14.4 ± 0.2V |
| Maximum Charge Current | 50A |
Discharging Parameters
| Discharge Cut-off Voltage | 10V |
| Maximum Continuous Discharging Current | 100A |
Mechanical Specifications
| Dimensions | 15.05 × 9.8 × 7.6 in |
| Weight | 43.1 lb |
| Protection Rating | IP65 |
Operating Parameters
| Charge Temperature Range | 0°C ~ 45°C (32°F ~ 113°F) |
| Discharge Temperature Range | -20°C ~ 65°C (-4°F ~ 149°F) |
| Storage Temperature Range | -25°C ~ 65°C (-13°F ~ 149°F) |
| Operation Relative Humidity | 10% ~ 95% |
Frequently Asked Questions
What makes this LiFePO₄ battery different from a traditional lead-acid battery?
LiFePO₄ (Lithium Iron Phosphate) batteries offer 3× longer lifespan, 60% lighter weight, and faster charging compared to lead-acid. They maintain over 4000–15000 charge cycles and provide consistent voltage output throughout discharge—ideal for solar storage, RVs, and off-grid systems.
Can this battery replace a lead-acid battery directly?
Yes. The LiFePO₄ battery is a drop-in replacement for most deep-cycle lead-acid or AGM batteries. Simply ensure your charger or controller supports LiFePO₄ charging mode.
Does it include a built-in BMS (Battery Management System)?
Absolutely. Each unit includes a smart BMS that protects against overcharge, over-discharge, overcurrent, short circuit, and temperature extremes. It automatically balances cells to ensure optimal lifespan and stable operation.
Is it safe to use indoors or in a confined space?
Yes. LiFePO₄ batteries are non-toxic, non-leaking, and have no gas emissions, making them safe for indoor use in RVs, boats, and cabins. However, proper ventilation helps maintain optimal temperature.
Can I use this battery with an inverter or solar controller?
Yes. It’s compatible with pure sine wave inverters, MPPT/PWM controllers, and most solar systems. Just confirm the inverter’s low-voltage cutoff and charge controller’s battery setting = LiFePO₄.
What happens if the battery gets too cold or too hot?
The built-in BMS protects against temperature extremes. Charging is automatically disabled below 0°C (32°F) and above 55°C (131°F) to prevent damage. The battery will resume normal operation once back within safe limits.
Can I monitor the battery status?
If you choose the Bluetooth version, you can check real-time voltage, capacity, temperature, and cycle count via a smartphone app. It helps you optimize energy usage and detect issues early.
How do I store the battery when not in use?
Store it at 40–60% charge, in a dry, cool place (10–30°C). Disconnect from all loads and chargers. If stored long-term, recharge every 3–6 months to maintain health.
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