Shimano SM-BTR1 Di2 external mount battery

Information

The Shimano Di2 battery SM-BTR1 for external mounting is a rechargeable lithium-ion battery for Shimano electronic shifters. It is attached to the outside of the down tube with a bracket and is suitable for both internal and external cable routing. The battery has a maximum range of 2000 kilometres.

Specifications:

Type: lithium-ion battery

Voltage: 7.4V

Energy Quantity: 3.7 Wh

Capacity: 500 mAh

Charge Time: ca. 90 minutes

Features:

• model SM-BTR1 type 1 for external mounting
• external or internal cable routing possible
• service life of at least 500 charges
• minimum range 1000 km, maximum 2000 km
• easy removal and insertion for charging in the battery mount
• excellent reliability
• charge level indicators: green: 100 %, green flashing: 50 %, red: 25 %, red flashing: 0 %