--- product_id: 690301739 title: "EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently" brand: "ef ecoflow" price: "₹ 29694" currency: INR in_stock: true category: "Ef Ecoflow" url: https://www.desertcart.in/products/690301739-ef-ecoflow-river-3-plus-portable-power-station-extra-battery store_origin: IN region: India --- # 140W USB-C fast charge/discharge IP65 waterproof & rugged durability 286Wh LiFePO4 battery capacity EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently **Brand:** ef ecoflow **Price:** ₹ 29694 **Availability:** ✅ In Stock ## Summary > 🔌 Power up your freedom—expand, charge, and conquer every adventure! ## Quick Answers - **What is this?** EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently by ef ecoflow - **How much does it cost?** ₹ 29694 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/690301739-ef-ecoflow-river-3-plus-portable-power-station-extra-battery) ## Best For - ef ecoflow enthusiasts ## Why This Product - Trusted ef ecoflow brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built for the Wild:** IP65-rated waterproofing and drop-tested ruggedness ensure your power source thrives in the toughest environments. - • **Decade-Long Reliability:** Engineered with advanced LiFePO4 chemistry and X-Guard tech, enjoy 10 years of daily use with 40+ real-time safety protections. - • **Charge & Go, Independently:** Use the extra battery solo with its built-in 140W USB-C port to power and recharge your devices anywhere, anytime. - • **Double Your Power On Demand:** Seamlessly stack the extra 286Wh battery to boost your RIVER 3 Plus capacity to 572Wh—perfect for extended outdoor adventures or emergency backup. - • **Triple Charging Flexibility:** Recharge via USB-C, solar, AC outlet, or car in as fast as 1.5 hours—never get caught powerless. ## Overview The EF ECOFLOW River 3 Plus Extra Battery EB300 is a 286Wh LiFePO4 portable power expansion pack designed to double your RIVER 3 Plus capacity. Featuring a 140W USB-C port for fast charging and discharging, it can be used independently or stacked seamlessly. Built to last 10 years with advanced safety monitoring and protected by an IP65 waterproof rating, this rugged battery supports multiple charging methods including solar, AC, and car, making it the ultimate reliable power companion for outdoor enthusiasts and emergency preparedness. ## Description Buy EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently: Generators - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Expand Your Energy Storage: Add an extra 286Wh of energy storage to RIVER 3 Plus for 572Wh, perfect for increasing energy storage for outdoors or power outages. Run a car fridge for 7.2 hours or travel kettle for 42 min. With a simple pogo pin connection, stack the extra battery in seconds without extra cables or screws. - Use Independently: Lighten your load and use the extra battery on its own without RIVER 3 Plus. Use its 140W USB-C port for charging small devices and recharging the battery when you're on the go. - 10 Years of Daily Use: With LFP battery chemistry, the battery pack has a 6× longer life than the industry average. Using exclusive X-Guard, the extra battery is protected with real-time monitoring and 40 protective features including overheating and short circuit. - Robust & Reliable: IP65 waterproof rating protects against water splashes, making it perfect for outdoor use. Designed to withstand extreme heat with a UL 94V-0-rated casing and has been rigorously drop tested up to 3.3 ft without damaging the battery. - 3 Charging Methods: Charge the RIVER 3 Plus Extra Battery directly using its built-in USB-C port. Connect to the RIVER 3 Plus to charge using solar, AC outlet or by using your car in as fast as 1.5 hr. - What's in the Box: RIVER 3 Plus Smart Extra Battery EB300 (286Wh), Quick Start Guide and 5-Year Service. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DS2BWFN7 | | Antenna Location | Power Tool | | Best Sellers Rank | #8,035 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #34 in Outdoor Generators | | Brand | EF ECOFLOW | | Built-In Media | RIVER 3 Plus Extra Battery EB300 | | Color | Black | | Customer Reviews | 4.8 4.8 out of 5 stars (49) | | Item Dimensions | 9.2 x 8.8 x 4.3 inches | | Manufacturer | EF ECOFLOW | | Mfr Part Number | EB300 | | Model Name | EF-RV-E01-1 | | Model Number | EF-RV-E01-1 | | Number of Items | 1 | | Other Special Features of the Product | Portable | | Output Wattage | 140 | | Power Source | Battery Powered | | Reusability | Rechargeable | | UPC | 842783163493 | | Unit Count | 1.0 Count | | Warranty Description | 5 Year | ## Product Details - **Brand:** EF ECOFLOW - **Color:** Black - **Power Source:** Battery Powered - **Recommended Uses For Product:** Power Tool - **Special Feature:** Portable ## Images ![EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently - Image 1](https://m.media-amazon.com/images/I/51L7FoQHVmL.jpg) ![EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently - Image 2](https://m.media-amazon.com/images/I/719OHlWBvRL.jpg) ![EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently - Image 3](https://m.media-amazon.com/images/I/71p9SeV4bcL.jpg) ![EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently - Image 4](https://m.media-amazon.com/images/I/7196lefkwhL.jpg) ![EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently - Image 5](https://m.media-amazon.com/images/I/71iNJyIL7KL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB300, 286Wh Expansion LiFePO4 (LFP) Battery with 10-Year Lifespan, Built-in 140W USB-C Port for Charging/Discharging, Use Independently - EF ECOFLOW Portable Power Station RIVER 3 Plus, 286Wh LiFePO4 Battery, 3 Up to 1200W AC Outlets, <10 MS UPS, Expandable to 858Wh, <30 dB Quiet, 1Hr Fast Charging Solar Generator for Outdoor Camping/RV - EF ECOFLOW Portable Power Station RIVER 2, 256Wh LiFePO4 Battery/ 1 Hour Fast Charging, 2 Up to 600W AC Outlets, Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs/Home Use --- ## 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.in/products/690301739-ef-ecoflow-river-3-plus-portable-power-station-extra-battery](https://www.desertcart.in/products/690301739-ef-ecoflow-river-3-plus-portable-power-station-extra-battery) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-07-24*