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12V 100Ah LiFePO4 Slim Battery
The ECOBOSS 12V 100Ah Slim LiFePO4 Battery is engineered for ultimate space efficiency. Featuring a revolutionary 2.76″ ultra-thin design, it easily fits into the tightest spots in RVs, compact camper vans, boats, or trucks. This battery delivers 1280Wh of efficient power, packed with a built-in 100A Smart BMS and an upgraded 32°F (0°C) Low-Temp Cutoff protection. Significantly lighter and easier to install than traditional lead-acid batteries, it boasts an incredible lifespan of 15,000+ deep cycles, making it the ideal lightweight power solution for off-grid adventures and marine use.
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2.76″ Slim Design: Ultra-thin profile to fit tight spots in RVs, vans, and boats perfectly.
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1280Wh & 15K+ Cycles: High-efficiency power with a 15,000+ deep cycle lifespan.
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100A Smart BMS: Full protection against overcharge, over-discharge, short circuits, and spikes.
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32°F Low-Temp Cutoff: Automatically stops charging below freezing to extend battery life.
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Ultra-Lightweight: Way lighter than lead-acid for easy installation in off-grid setups.
Product Video
SPECIFICATIONS
Electrical Performance
| Voltage | 12 Volts, 12.8 Volts |
| Battery Cell Composition | Lithium Ion |
| Item Weight | 28.6 Pounds |
| Battery Capacity | 100 Amp Hours |
| Unit Count | 1.0 Count |
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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