Shimano Dura-Ace-Ultegra Di2 BTR1 Battery
- 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)
- 500 times rechargeable life
- Optional battery mount adapter is available if standard mount is not compatible
- Reliable and secure water resistant terminals
- Easily removable for charging
- Weight: 68g
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Shimano Dura-Ace-Ultegra Di2 BTR1 Battery
Shimano Dura-Ace-Ultegra Di2 BTR1 Battery
- 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)
- 500 times rechargeable life
- Optional battery mount adapter is available if standard mount is not compatible
- Reliable and secure water resistant terminals
- Easily removable for charging
- Weight: 68g
Original: $93.11
-70%$93.11
$27.93Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- 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)
- 500 times rechargeable life
- Optional battery mount adapter is available if standard mount is not compatible
- Reliable and secure water resistant terminals
- Easily removable for charging
- Weight: 68g













