Shimano SM-BTR1 Di2 External Battery
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This is the Shimano SM-BTR1 Di2 Battery.
Type: Lithium Ion
Nominal Capacity: 530 mAh
Operating Temperature Range: -20 - 60°C (when discharging), 0 - 45°C (when charging)
Storage Temperature Range: -20 - 60°C
Nominal Voltage: 7.4V
This product is expected to arrive on Monday, September 14 2020