12V 100Ah LiFePO4 Lithium Battery, Group 31 Deep Cycle with Smart 100A BMS & Low Temp Cut-Off, 15000 Cycles 10-Year Life, Lightweight Replacement for RV, Solar, Marine, Home Backup, Off-Grid

Features

• Advanced Smart BMS & All-Weather SafetyEquipped with an upgraded 100A Smart BMS, our battery provides comprehensive protection against overcharge, over-discharge, over-current, and short circuits. Unlike standard lithium batteries, it features automatic low-temperature cut-off, preventing charging below 32F (0C) to avoid cell damage. Built with stable LiFePO4 chemistry, it eliminates the risk of thermal runaway, ensuring maximum safety for your RV, boat, or home energy system in any season.
• Ultra-Lightweight & Perfect Group 31 FitWeighing only 24 lbs70% lighter than comparable lead-acid batteriesthis 12V 100Ah battery makes installation and transport effortless. Its compact dimensions (12.9" x 6.7" x 8.5") are a precise drop-in replacement for BCI Group 31 battery boxes. Ideal for upgrading marine trolling motors, RV house banks, or golf carts without modifying existing compartments. Enjoy maintenance-free power with no acid refilling or corrosion worries.
• 15,000+ Cycles & 10-Year LifespanInvest once, save forever. Our premium Grade-A LiFePO4 cells deliver 15,000+ deep cycle life at 60% DOD and over 8,000 cycles at 80% DOD, lasting 10x longer than traditional lead-acid batteries. With a 10-year service life, this battery drastically reduces your long-term cost per cycle. Whether for daily solar storage or weekend camping, it maintains consistent voltage output until fully depleted, unlike lead-acid batteries that dim as they drain.
• Fast Charging & Flexible Energy ExpansionRecharge 3x faster than lead-acid options with zero memory effect. Fully charge in just 5 hours using a 14.6V 20A LiFePO4 charger, solar panels, or alternator. Designed for scalability, connect up to 4S4P (4 in series, 4 in parallel) to build massive systems up to 51.2V and 400Ah. Perfect for DIY off-grid solar setups, whole-home backup, or powering high-draw devices like CPAP machines, electric wheelchairs, and outdoor power stations.
• Reliable Power for Critical ApplicationsEngineered for stability in extreme conditions, operating reliably from -4F to 140F (-20C to 60C) during discharge. Delivers 100% rated capacity even under high loads, making it the trusted choice for saltwater fishing boats, off-road vans, and emergency home UPS. Backed by our dedicated US-based support team, we provide a 24-hour response guarantee for any technical questions or warranty claims, ensuring your power never fails when you need it most.
• 10 Years Service Life12V 100Ah LiFePO4 Battery can reach 4000~15000 deep cycles and longer cycle life, 6000 cycles at 100% DOD, 8000 cycles at 80% DOD, 15000 cycles at 60% DOD. Maintenance-Free Battery, LiFePO4 chemistry ensures over 8000 charge-discharge cycles, significantly outlasting traditional lead-acid batteries. This translates to more than 10 years of reliable service, saving you frequent replacement costs and hassle. A proper solution will be provided to any problem within 24hrs for delivery, battery and problem during using and any other questions.

Description

High quality | long lifespan | intelligent safety Over-current Protection / Overcharge Protection / Over-discharge Protection / Short Circuit Protection / High Temp Protection - Customer benefit: 1. You can expect 3,000-5,000 complete charge cycles at 80% depth of discharge before reaching 80% of original capacity. Compared to quality AGM batteries that last only 300-500 cycles, this battery offers a much longer lifespan with minimal maintenance. 2. This battery operates efficiently from -20°F to 140°F (-29°C to 60°C), offering excellent performance in both winter and hot climates. The built-in BMS protects the battery by preventing charging below freezing but allows discharging down to -20°F, ensuring reliable power under any condition. The battery uses stable LiFePO4 chemistry that resists thermal runaway up to 500°F (260°C). It includes advanced BMS protection against overcharge, over-discharge, short circuits, and extreme temperatures, making it ideal for enclosed spaces. 3. While the initial cost may seem higher, this battery pays off quickly through extended lifespan (3,000-5,000 cycles), reduced replacement costs, and increased efficiency. Plus, it saves you money on fuel and maintenance, providing a strong return on investment over time. 4. Maintenance is minimal: store between 20%-80% state of charge when not in use, avoid exposure to direct sunlight, and periodically check terminal connections. No watering or equalization charges required, significantly reducing maintenance compared to lead-acid batteries. 5. Unlike traditional lead-acid batteries, this LiFePO4 battery can be mounted in any orientation—sideways, upside down, or vertically—without risking acid leakage, thanks to its sealed design. This makes installation easier and more flexible. This battery works well with all standard 12V inverters designed for lead-acid batteries. However, for best results, inverters with adjustable low-voltage cutoff settings or dedicated lithium modes are recommended. Many popular brands like Victron and Renogy offer models specifically optimized for LiFePO4 batteries. 6. The battery uses stable LiFePO4 chemistry that resists thermal runaway up to 500°F (260°C). It includes advanced BMS protection against overcharge, over-discharge, short circuits, and extreme temperatures, making it ideal for enclosed spaces. The integrated BMS includes temperature protection that automatically disconnects charging below 32°F (0°C) to prevent cell damage, while still allowing discharging down to -20°F. This ensures optimal performance and safety across a wide range of temperatures. 7. Compatible with MPPT/PWM controllers for solar applications and lithium-ready converters for RVs. For older systems, consider adding a DC-DC charger. Its versatile mounting options and sealed case make it perfect for both solar storage and marine/RV house battery needs. - Why Choose Battery Combinations? 1. Longer Runtime (Parallel Advantage). How it works: Connecting batteries in parallel increases total capacity (Ah), allowing your system to run 30-50% longer between charges. Ideal for: Solar energy storage, electric vehicles (EVs), and off-grid cabins. Customer benefit: Enjoy uninterrupted power for camping, backup energy, or daily commutes. 2. Higher Voltage Output (Series Advantage) How it works: Series connections elevate voltage (V), enabling compatibility with high-demand tools and inverters. Ideal for: Power inverters, industrial machinery, and electric power tools. Customer benefit: Eliminate voltage limitations for heavy-duty applications. 3. Fail-Safe Redundancy How it works: Multiple batteries act as a backup network. If one fails, others keep the system running. Ideal for: Critical systems like medical equipment, security systems, or data centers. Customer benefit: Minimize downtime and protect against power emergencies. 4. Customizable Power Solutions. How it works: Mix series and parallel configurations to tailor voltage/current to your project’s needs. Ideal for: DIY solar setups, RVs, or renewable energy projects. How many charge cycles can I expect from this LiFePO4 battery? You can expect 8,000-15,000 complete charge cycles at 80% depth of discharge before reaching 80% of original capacity. Compared to quality AGM batteries that last only 300-500 cycles, the battery offers a much longer lifespan with minimal maintenance Is this battery truly safe for indoor use in RVs, homes, or boats? Yes! The battery uses stable LiFePO4 chemistry that resists thermal runaway up to 500°F (260°C). It includes advanced BMS protection against overcharge, over-discharge, short circuits, and extreme temperatures, making it ideal for enclosed spaces. Will it work reliably in extreme cold (winter camping) or desert heat? This battery operates efficiently from -20°F to 140°F (-29°C to 60°C), offering excellent performance in both winter and hot climates. The built-in BMS protects the battery by preventing charging below freezing but allows discharging down to -20°F. Can this battery be installed in any orientation? Yes, unlike traditional lead-acid batteries, this LiFePO4 battery can be mounted in any orientation—sideways, upside down, or vertically—without risking acid leakage, thanks to its sealed design. This makes installation easier and more flexible. Can I use this for solar storage AND as an RV/marine house battery? What setup is needed? Compatible with MPPT/PWM controllers for solar applications and lithium-ready converters for RVs, older systems, consider adding a DC-DC charger. Its versatile mounting options and sealed case make it for both solar and marine/RV house battery needs.

Brand: VEMDIA

Vehicle Service Type: Camping, Fish Finder, Golf Cart, Household Backup Power, Lawn Mower, Marine Engine Starting, RV, Solar Energy Storage System, Trolling Motor See more

Size: 12V 100Ah LiFePO4

Voltage: 12.8 volts

Battery Cell Composition: Lithium Ion

Product Dimensions: 12.9"D x 6.6"W x 8.5"H

Resistance: 120 milliohms

Terminal: Screw Terminal

Battery Capacity: 100 amp_hours

Automotive Fit Type: Universal Fit

Compatible with Vehicle Type: Camping, Fish Finder, Golf Cart, Household Backup Power, Lawn Mower, Marine Engine Starting, RV, Solar Energy Storage System, Trolling Motor

Voltage: 12.8 volts

Resistance: 120 milliohms

Terminal: Screw Terminal

Battery Capacity: 100 amp_hours

Automotive Fit Type: Universal Fit

Size: 12V 100Ah LiFePO4

Item Dimensions D x W x H: 12.9"D x 6.6"W x 8.5"H

Battery Type: Lithium Ion

Brand Name: VEMDIA

Manufacturer Part Number: LiFePO4-100Ah

Model Number: LiFePO4-100A

Manufacturer: VEMDIA

UPC: 747783254823

Included Components: 1 * 12V 100Ah LiFePO4, 1* Manual, 2 * Insulating Caps, 2 * M8- 5/8" (16mm) Terminal Bolts

Manufacturer Warranty Description: 2 Year Manufacturer