--- product_id: 82214691 title: "Shimano BTDN110A1 Internal Battery Groups DI2 ETUBE 110A1 R, Black, 1" brand: "shimano" price: "€ 266.48" currency: EUR in_stock: true reviews_count: 13 category: "Shimano" url: https://www.desertcart.gr/products/82214691-shimano-btdn110a1-internal-battery-groups-di2-etube-110a1-r-black store_origin: GR region: Greece --- # 110 Amps High Amperage 500mAh Lithium-Ion Power Integrated Bicycle Antenna Shimano BTDN110A1 Internal Battery Groups DI2 ETUBE 110A1 R, Black, 1 **Brand:** shimano **Price:** € 266.48 **Availability:** ✅ In Stock ## Summary > 🔋 Power your ride with precision and style – never miss a shift! ## Quick Answers - **What is this?** Shimano BTDN110A1 Internal Battery Groups DI2 ETUBE 110A1 R, Black, 1 by shimano - **How much does it cost?** € 266.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/82214691-shimano-btdn110a1-internal-battery-groups-di2-etube-110a1-r-black) ## Best For - shimano enthusiasts ## Why This Product - Trusted shimano brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Integration:** Built-in bicycle antenna for flawless wireless communication and firmware updates. - • **Cutting-Edge Firmware:** Latest firmware compatibility keeps your groupset future-proof and performance-optimized. - • **Lightweight & Compact:** At just 50g, this internal battery blends power with minimal weight for peak cycling efficiency. - • **Power Meets Precision:** 110 Amps amperage delivers consistent, reliable electronic shifting performance. - • **Endurance that Keeps You Riding:** 500mAh rechargeable lithium-ion battery ensures long-lasting power for your DI2 system. ## Overview The Shimano BTDN110A1 Internal Battery Groups DI2 ETUBE 110A1 R is a lightweight, rechargeable 500mAh lithium-ion battery designed specifically for Shimano's electronic shifting systems. Delivering 110 Amps of power with an integrated bicycle antenna, it ensures seamless wireless communication and firmware updates, making it an essential upgrade for serious cyclists seeking reliable, high-performance electronic groupset power. ## Description SHIMANO Internal Battery Groups DI2 ETUBE 110A1 R Internal Battery Groups DI2 ETUBE 110A1 R, Black, 1 Review: Competitive price. - An expensive bit of kit but actually at a competitive price. It was a replacement for the original battery and so far so good. Review: Di2 Internal Battery - Previous battery would not hold its charge. I fitted the new battery a few weeks ago and its doing its job. Charge is holding. ## Features - new firmware ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07F419QC7 | | Amperage | 110 Amps | | Antenna Location | Bicycle | | Battery Capacity | 500 milliamp_hours | | Battery Cell Type | Lithium Ion | | Battery capacity | 500 milliamp_hours | | Battery cell composition | Lithium Ion | | Best Sellers Rank | 42,517 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 62 in Cables (Sports & Outdoors) | | Brand | SHIMANO | | Brand Name | SHIMANO | | Country of Origin | Japan | | Customer Reviews | 4.3 out of 5 stars 160 Reviews | | Global Trade Identification Number | 04524667329152 | | Included Components | Item | | Item Type Name | INTERNAL BATTERY GROUPS DI2 ETUBE 110A1 R | | Item Weight | 0.11 Pounds | | Manufacturer | SHIMANO | | Model Name | Btdn110a1 | | Model Number | IBTDN110A1 | | Number of Batteries | 1 9V batteries required. | | Number of batteries | 1 9V batteries required. | | Product Warranty | Limited Warranty | | Recommended uses for product | Bicycle | | Reusability | Rechargeable | | Unit Count | 1.0 count | | Unit count | 1.0 count | | Voltage | 12 Volts | ## Product Details - **Battery capacity:** 500 Milliamp Hours - **Battery cell composition:** Lithium Ion - **Brand:** SHIMANO - **Number of batteries:** 1 9V batteries required. - **Recommended uses for product:** Bicycle ## Images ![Shimano BTDN110A1 Internal Battery Groups DI2 ETUBE 110A1 R, Black, 1 - Image 1](https://m.media-amazon.com/images/I/71RAjZ-wUzL.jpg) ![Shimano BTDN110A1 Internal Battery Groups DI2 ETUBE 110A1 R, Black, 1 - Image 2](https://m.media-amazon.com/images/I/61Cn4Dt+iaL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Competitive price. *by B***E on 10 September 2025* An expensive bit of kit but actually at a competitive price. It was a replacement for the original battery and so far so good. ### ⭐⭐⭐⭐⭐ Di2 Internal Battery *by P***C on 18 September 2019* Previous battery would not hold its charge. I fitted the new battery a few weeks ago and its doing its job. Charge is holding. ### ⭐⭐⭐⭐ Works great for DI2 but very expensive for what it is *by R***D on 1 January 2025* Needed a replacement DI2 battery and this is an original shimano replacement battery which worked straight out of the box. Very expensive for what it is but what choice do you have. ## Frequently Bought Together - Shimano BTDN110A1 Internal Battery Groups DI2 ETUBE 110A1 R, Black, 1 - SHIMANO TL-EW02 E-Tube Di2 Plug Tool --- ## 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.gr/products/82214691-shimano-btdn110a1-internal-battery-groups-di2-etube-110a1-r-black](https://www.desertcart.gr/products/82214691-shimano-btdn110a1-internal-battery-groups-di2-etube-110a1-r-black) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-10-26*