Does this work for Ultegra or is the Ultegra battery different than the Di2?

The battery is the same for the Ultegra Di2, external battery.

Will this battery charge via a 5-port junction box?

If I understand your question correctly, yes. If you are using a power strip, it should work fine.

Join PRO & Unlock Exclusive Perks!

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan

Customer Services

About Us

Customer Support

Desert Online General Trading LLC

Warehouse # 7, 4th Street, Umm Ramool, Dubai, 30183, Dubai

Shimano Batería Externa-SM-BTR1

Product ID: 4772166

Secure Transaction

Details

Number of Batteries
1 Lithium
Brand
SHIMANO
Battery Cell Composition
Alkaline
Battery Capacity
1000
Recommended Uses For Product
Bicycle

⚡Lightweight 0.13 kg power boost

📏Compact 10x3x3 cm size

🚴‍♂️Optimized for Shimano Di2 cycling

Description

⚡ Power your ride, own the trail!

UPGRADE YOUR RIDE - Stay powered and connected, never miss a shift
FEATHERLIGHT DESIGN - Carry extra juice without feeling the weight
SLEEK COMPACT POWER - Fits seamlessly on your bike frame without bulk
DURABLE SHIMANO QUALITY - Built to endure your toughest rides and longest adventures
PRECISION ENGINEERED FOR DI 2 - Perfectly compatible with Shimano’s electronic shifting system

The SHIMANOBatería Externa-SM-BTR1 is a compact, lightweight external battery designed specifically for Shimano Di2 electronic shifting systems. Measuring just 10 x 3 x 3 cm and weighing 0.13 kg, it offers reliable power on the go, ensuring seamless performance for cycling enthusiasts who demand precision and durability.

Specifications

Item Package Dimensions L x W x H	5.47 x 3.27 x 1.5 inches
Package Weight	0.19 Kilograms
Item Dimensions LxWxH	3.94 x 1.18 x 1.18 inches
Item Weight	0.13 Kilograms
Brand Name	SHIMANO
Model Name	Di2
Suggested Users	Cycling
Manufacturer	Shimano
Part Number	ISMBTR1A
Model Year	2017

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

₨70325

Duties & taxes incl.

Sri Lankastore

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews