Shimano Dura-Ace Di2 SM-BTR1 Lithium Battery


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Dura-Ace Di2 (Dual Integrated Intelligence) moves to the next generation

Tested in competition and taken to victory by pro riders in all conditions. Every part of a Di2 setup hinges on the battery - without power it just won't work! The new Shimano Dura-Ace Di2 is a long-life 7.4V Li-Ion battery that lasts for up to 2000km’s of use under the harshest of shifting conditions, taking the effort away from you. Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads.

• Proven to deliver reliable performance in all conditions

• Lithium Ion technology is lighter

• Battery can be removed easily for charging

• Long battery life (up to 2000km when fully charged)

• 7.4V Li-ion battery

• 500mAh capacity

• Available for external or concealed mounting

• Electric wires (SM-EW50) available in a range lengths from 150mm to 1400mm

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