Shimano Di2 External Battery SM-BTR1

Description

Reliable and secure water resistant terminals. 500 times rechargeable life. sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads. Battery weight is 68 grams. 4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you. The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system. Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads. Using a hard wired battery system which is both light weight and accurate compared to current wireless technology (as a wireless system would require 4 batteries: one for the RD, one for the FD, and one for each shift lever). The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system. One charge can give between 1000 and 2000 kilometre range depending on conditions and front mech operation (as this is the main power drain). 4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you. Shimano Dura-Ace: SM-BTR1 7970 Dura-Ace Di2 battery - The power house of Dura-Ace Di2 is a long-life 7. Easily removable for charging. Optional battery mount adapter is available if standard mount is not compatible.

Key Features

• 4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you.
• Using a hard wired battery system which is both light weight and accurate compared to current wireless technology (as a wireless system would require 4 batteries: one for the RD, one for the FD, and one for each shift lever).
• The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system.
• One charge can give between 1000 and 2000 kilometre range depending on conditions and front mech operation (as this is the main power drain).
• Shimano Dura-Ace: SM-BTR1 7970 Dura-Ace Di2 battery - The power house of Dura-Ace Di2 is a long-life 7.
• sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads.