--- product_id: 700278678 title: "2 Packs 12V 100Ah LiFePO4 Lithium Battery With 100A BMS" brand: "dumfume" price: "$1123.58" currency: USD in_stock: true url: https://www.desertcart.us/products/700278678-2-packs-12v-100ah-lifepo4-lithium-battery-with-100a-bms store_origin: US region: United States of America --- # 100A built-in BMS protection 1280Wh energy capacity 2/3 lighter than AGM batteries 2 Packs 12V 100Ah LiFePO4 Lithium Battery With 100A BMS **Brand:** dumfume **Price:** $1123.58 **Availability:** ✅ In Stock ## Summary > ⚡ Power Your Freedom with Lightweight, Long-Lasting Energy! ## Quick Answers - **What is this?** 2 Packs 12V 100Ah LiFePO4 Lithium Battery With 100A BMS by dumfume - **How much does it cost?** $1123.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/700278678-2-packs-12v-100ah-lifepo4-lithium-battery-with-100a-bms) ## Best For - dumfume enthusiasts ## Why This Product - Trusted dumfume brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** 25% smaller size packs massive 1280Wh energy for sleek, space-saving setups. - • **Smart Safety Guard:** Integrated 100A BMS shields against overcharge, short circuits, and overheating for worry-free use. - • **Plug & Play Upgrade:** Seamlessly replaces lead-acid batteries with no rewiring; supports series/parallel for scalable power. - • **Unmatched Longevity:** Up to 15,000 cycles at 60% DOD means your battery outlasts the competition by years. - • **Lightweight Energy Boost:** Weighs only 21.6 lbs—two-thirds lighter than traditional AGM batteries for effortless portability. ## Overview The Dumfume 2-Pack 12V 100Ah LiFePO4 Lithium Batteries deliver a compact 1280Wh capacity with 40% higher energy density, weighing just 21.6 lbs each. Featuring a robust 100A Battery Management System, these batteries offer up to 15,000 charge cycles and a durable ABS casing, making them ideal for RVs, off-grid, marine, and home energy storage. Designed as a hassle-free drop-in replacement for lead-acid batteries, they support scalable configurations up to 51.2V 400Ah, combining cutting-edge safety, longevity, and portability. ## Description Our batteries is equipped with a built-in BMS. It prevents overcharging, over-discharging, overcurrent, short circuits, overheating. The BMS automatically balances the cells to extend their service life and safely restores operation following a fault without the need for manual reset. From 12V~48V modular system,Consult Dumfume 24/7 for compatibility verification. Place vertically; the top of the battery (i.e. the positive & negative terminals) must not face downwards 12V 314Ah 24V 100Ah 12V 100Ah Mini 12V 200Ah 12V 600Ah 12V 20A Battery Charger 12V 150Ah Max Any tips for connecting batteries in series or parallel? Yes – fully charge each battery first. Use the same brand, model, capacity, and BMS, and buy them within 3–6 months of each other. For multiple connections, use a bus bar. Can I use the battery right after delivery? For shipping safety, it comes with ≤40% charge. Fully charge it before first use. Can I use this battery on a boat? Yes, as a service battery for things like a fridge or coffee maker. Keep it dry and away from water. Not for starting engines or trolling motors. Can I charge or discharge it in cold weather? Discharge works from -4°F (-20°C) to 140°F (60°C). But never charge below 32°F (0°C) – it damages the cells. The BMS will block charging. In winter, bring it indoors above 41°F (5°C) before charging. Does the package include a LiFePO4 charger? No. Please use only a dedicated 14.6V LiFePO4 smart charger. Using a regular lead-acid or other lithium charger can damage the battery. ## Features - You will get 2 pack DUMFUME 12V 100Ah LiFePO4 Lithium Battery packs, each with a 25% smaller size, equivalent to 1.28kWh of energy: The 12V 100Ah LiFePO4 Lithium Battery is compact yet powerful, with 1.28kWh of energy capacity and a 40% increase in energy density. Ideal for caravans, campers and off-grid energy storage systems.Please do not use this battery as starting batteries, golf cart batteries, or jacks. We do not suggest using it to start any device! - Ideal Replacement for Lead-acid Battery: DUMFUME 12V 100Ah LiFePO4 Battery is a seamless drop-in replacement for lead-acid batteries. No additional wiring is needed, providing a hassle-free upgrade to clean energy. Additionally, it supports series and parallel connections (up to 4S4P) to build a 51.2V 400Ah system, suitable for home energy storage, UPS systems and camping - 2/3 Lighter & 7.5X Higher Energy Density:Weighing only 21.6 lbs,DUMFUME 100 ah lifepo4 battery 12v Battery is two-thirds lighter than traditional 100Ah AGM batteries,which weigh 63.9 lbs. With 1280Wh energy capacity, it offers 7.5 times higher energy density than 12V 70Ah AGM batteries, delivering more efficient energy use at a fraction of the weight, ideal for portable and space-saving applications. - Built-in 100A BMS & Grade A Cells: The integrated 100A Battery Management System(BMS) provides comprehensive protection against overcharging, over-discharging,short circuits, overheating, and overcurrent. Equipped with top-tier lithium iron phosphate battery cells, DUMFUME 12V Lithium Battery supports up to 4000 cycles at 100% DOD, 6000 cycles at 80% DOD, and 15000 cycles at 60% DOD, offering a 10-90% battery life. - Durable ABS Casing:DUMFUME 12 volt deep cycle marine battery casing is made from ABS plastic,offering dustproof and weather resistance (not waterproof). This robust design makes it suitable for both indoor and outdoor installations, even in harsh conditions. Note: Under Various Temp/Humidity Measurement Methods And Instruments, Voltage And Current May Deviate By 1%~5%. Charge/Discharge Battery Once Every 6 Months To Prevent Damage From Disuse. - Battery performance requires temperatures of 5°C or higher. Please verify suitability before purchase. Return shipping for low-temperature charging issues is not covered. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0DLVZCGGR | | Automotive Fit Type | Universal Fit | | Battery Capacity | 100 amp_hours | | Battery Type | Other Than Listed | | Best Sellers Rank | #4,434 in Automotive (See Top 100 in Automotive) #24 in Automotive Replacement Batteries | | Brand Name | dumfume | | Compatible With Vehicle Type | RV | | Customer Reviews | 4.4 4.4 out of 5 stars (867) 4.4 out of 5 stars | | Item Highlight | 15000+ Cycles Group 31 Rechargeable Battery 1280Wh High Energy Density, Ideal for RVs, Off-Grid,Marine | | Item Weight | 19.5 kg | | Manufacturer | dumfume | | Manufacturer Part Number | 2*DFBattery-12V100A | | Manufacturer Warranty Description | 5 Year Manufacturer | | Model Number | 12.8V 100AH | | Number Of Items | 2 | | Size | (13x6.69x8.62)2PCS 12V100AH | | Unit Count | 2 Count | | Voltage | 12.8 volts | ## Product Details - **Automotive Fit Type:** Universal Fit - **Battery Capacity:** 100 amp_hours - **Battery Cell Composition:** Other Than Listed - **Brand:** dumfume - **Item Weight:** 19.5 kg - **Size:** (13x6.69x8.62)2PCS 12V100AH - **Unit Count:** 2 Count - **Vehicle Service Type:** RV - **Voltage:** 12.8 volts ## Images ![2 Packs 12V 100Ah LiFePO4 Lithium Battery With 100A BMS - Image 1](https://m.media-amazon.com/images/I/71VfBJC-hAL.jpg) ![2 Packs 12V 100Ah LiFePO4 Lithium Battery With 100A BMS - Image 2](https://m.media-amazon.com/images/I/715cmkwCqYL.jpg) ![2 Packs 12V 100Ah LiFePO4 Lithium Battery With 100A BMS - Image 3](https://m.media-amazon.com/images/I/81vIvqX+3RL.jpg) ![2 Packs 12V 100Ah LiFePO4 Lithium Battery With 100A BMS - Image 4](https://m.media-amazon.com/images/I/71Um475Y3OL.jpg) ![2 Packs 12V 100Ah LiFePO4 Lithium Battery With 100A BMS - Image 5](https://m.media-amazon.com/images/I/81nD5hIe1gL.jpg) ## Available Options This product comes in different **Set name** options. ## Questions & Answers **Q: Any tips for connecting batteries in series or parallel?** A: Yes – fully charge each battery first. Use the same brand, model, capacity, and BMS, and buy them within 3–6 months of each other. For multiple connections, use a bus bar. **Q: Can I use the battery right after delivery?** A: For shipping safety, it comes with ≤40% charge. Fully charge it before first use. **Q: Can I use this battery on a boat?** A: Yes, as a service battery for things like a fridge or coffee maker. Keep it dry and away from water. Not for starting engines or trolling motors. **Q: Can I charge or discharge it in cold weather?** A: Discharge works from -4°F (-20°C) to 140°F (60°C). But never charge below 32°F (0°C) – it damages the cells. The BMS will block charging. In winter, bring it indoors above 41°F (5°C) before charging. **Q: Does the package include a LiFePO4 charger?** A: No. Please use only a dedicated 14.6V LiFePO4 smart charger. Using a regular lead-acid or other lithium charger can damage the battery. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/700278678-2-packs-12v-100ah-lifepo4-lithium-battery-with-100a-bms](https://www.desertcart.us/products/700278678-2-packs-12v-100ah-lifepo4-lithium-battery-with-100a-bms) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-28*