7.2V 3000mAh MAKITA DA3000D,DA3000DW,DA301D Shimano BT DN300 Built In Type Di2 Battery, SD300 Type for DURA ACE Shimano BT DN300 Di2 Built in Battery 3 SD300 Port BTDN300 for Dura Ace Shimano BT DN300 Di2 Built in Battery 3 SD300 Port BTDN300 for Dura Ace Shimano BT DN300 Di2 Built in Battery 3 SD300 Port BTDN300 for Dura Ace. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit DT3002 B Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss or Chinese or Japanese Movement Water Resistance Compatibility: Suitable for 50m Water Resistant Watches Mercury Free: Environmentally Friendly (0% Hg) High Low Temperature Tolerance: Extended Performance in Extreme Climates SKU: DT3002 B_K0050955