Shimano Di2 External Battery SM-BTR1

Description

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. Reliable and secure water resistant terminals. Battery weight is 68 grams. sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads. Optional battery mount adapter is available if standard mount is not compatible. 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). 500 times rechargeable life. Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads. The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system. Shimano Dura-Ace: SM-BTR1 7970 Dura-Ace Di2 battery - The power house of Dura-Ace Di2 is a long-life 7. 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. Easily removable for charging.

Key Features

• 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.
• 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).
• Shimano Dura-Ace: SM-BTR1 7970 Dura-Ace Di2 battery - The power house of Dura-Ace Di2 is a long-life 7.
• The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system.