--- product_id: 332519645 title: "3400mAh Extended T123682016VK Battery Replacement Compatible with Logitech Ultimate Ears UE Boom 3 Wireless Waterproof Bluetooth Speaker" brand: "mpf products" price: "₩42944" currency: KRW in_stock: true reviews_count: 8 category: "Mpf Products" url: https://www.desertcart.kr/products/332519645-3400mah-extended-t123682016vk-battery-replacement-compatible-with-logitech-ultimate-ears store_origin: KR region: South Korea --- # 3.7V Stable Voltage 3400mAh High Capacity Includes Free Installation Tools 3400mAh Extended T123682016VK Battery Replacement Compatible with Logitech Ultimate Ears UE Boom 3 Wireless Waterproof Bluetooth Speaker **Brand:** mpf products **Price:** ₩42944 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your UE Boom 3 and never miss a beat! ## Quick Answers - **What is this?** 3400mAh Extended T123682016VK Battery Replacement Compatible with Logitech Ultimate Ears UE Boom 3 Wireless Waterproof Bluetooth Speaker by mpf products - **How much does it cost?** ₩42944 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/332519645-3400mah-extended-t123682016vk-battery-replacement-compatible-with-logitech-ultimate-ears) ## Best For - mpf products enthusiasts ## Why This Product - Trusted mpf products brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless DIY Upgrade:** Comes with free installation tools and clear instructions—replace your battery in under 15 minutes. - • **Peace of Mind Warranty:** Backed by a 1-year replacement warranty—stay worry-free and keep the party going. - • **Power Through Your Day:** 3400mAh extended battery keeps your UE Boom 3 blasting longer than ever. - • **Seamless Compatibility:** Perfectly engineered for Logitech UE Boom 3 and multiple related models—plug and play confidence. - • **Reliable & Rechargeable:** Premium lithium-ion cell ensures consistent power and longevity for your wireless speaker. ## Overview This 3400mAh lithium-ion replacement battery (model T123682016VK) is designed specifically for Logitech Ultimate Ears UE Boom 3 and compatible models. It delivers extended playtime with stable 3.7V output, includes free installation tools for easy DIY replacement, and comes with a 1-year warranty, making it a cost-effective way to revive your wireless waterproof Bluetooth speaker. ## Description 3400mAh Extended T123682016VK Battery Replacement Compatible with Logitech Ultimate Ears UE Boom 3 Wireless Waterproof Bluetooth Speaker. Review: Easy replacement. - Easy replacement. Fit properly. Much cheaper than a replacement Boom3. Review: Works well, UE Boom 2 is alive again! - My UE Boom 2 would no longer hold charge. I followed the instructions on youTube to replace the battery, and it took maybe 15 minutes. The old battery had foam around it to make the fit more snug than this one, but it peeled off and I was able to stick it to the replacement. So far it charged up and ran for about an hour in initial testing. If I don't update the review, then it's all good! ## Features - High-Capacity Replacement for the Following Battery Model/Part Numbers: T123682016VK. - Intended for/Compatible with the Following Logitech Speaker Models: UE Boom 3, Ultimate Ears Boom 3, 984-001350, 984-001348, 984-001351, 984-001352, 984-001405, 984-001593, 984-001635, S-00170. - 3.7V 3400mAh 12.58Wh Extended Lithium-ion Rechargeable Battery Pack. - Includes Free Installation Tools. - 1 Year Replacement Warranty. MPF Products is a Registered Trademark. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08WR6XL67 | | Antenna Location | Replacement Battery | | Battery Capacity | 3400 Milliamp Hours | | Battery Cell Composition | Lithium Ion | | Battery Cell Type | Lithium Ion | | Battery Weight | 51 Grams | | Best Sellers Rank | #48 in MP3 Player Batteries | | Brand | MPF Products | | Customer Reviews | 4.2 out of 5 stars 41 Reviews | | Item Weight | 1.8 Ounces | | Manufacturer | MPF Products® | | Model Number | T123682016VK | | Number of Batteries | 1 Lithium Ion batteries required. (included) | | Recommended Uses For Product | Replacement Battery | | Reusability | Rechargeable | | UPC | 651357908305 | | Unit Count | 1.0 Count | | Voltage | 3.7 Volts | ## Product Details - **Battery Capacity:** 3400 Milliamp Hours - **Battery Cell Composition:** Lithium Ion - **Brand:** MPF Products - **Number of Batteries:** 1 Lithium Ion batteries required. (included) - **Recommended Uses For Product:** Replacement Battery ## Images ![3400mAh Extended T123682016VK Battery Replacement Compatible with Logitech Ultimate Ears UE Boom 3 Wireless Waterproof Bluetooth Speaker - Image 1](https://m.media-amazon.com/images/I/61a4oVGthzL.jpg) ## Questions & Answers **Q: Is this rechargeable** A: Yes it is ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy replacement. *by C***S on April 25, 2026* Easy replacement. Fit properly. Much cheaper than a replacement Boom3. ### ⭐⭐⭐⭐⭐ Works well, UE Boom 2 is alive again! *by F***E on April 24, 2025* My UE Boom 2 would no longer hold charge. I followed the instructions on youTube to replace the battery, and it took maybe 15 minutes. The old battery had foam around it to make the fit more snug than this one, but it peeled off and I was able to stick it to the replacement. So far it charged up and ran for about an hour in initial testing. If I don't update the review, then it's all good! ### ⭐ CHINESE GARBAGE *by S***. on June 9, 2026* Chinese junk! Didn't even last 4 months and won't charge now. ## Frequently Bought Together - MPF Products 3400mAh Extended T123682016VK Battery Replacement Compatible with Logitech Ultimate Ears UE Boom 3 Wireless Waterproof Bluetooth Speaker - Replacement Battery for Logitech UE MegaBoom Compatible with S-00147 984-001362 084-000845 Ultimate Ears Megaboom 3 Megaboom 3 S-00171 fits Part No Logitech 533-000116, 533-000138,7.4V Li-ion --- ## 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.kr/products/332519645-3400mah-extended-t123682016vk-battery-replacement-compatible-with-logitech-ultimate-ears](https://www.desertcart.kr/products/332519645-3400mah-extended-t123682016vk-battery-replacement-compatible-with-logitech-ultimate-ears) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-08-03*