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Shimano Di2 SM-BTR1 Universal Battery Shimano Dura-Ace Di2 SM-BTR1 Battery
Shimano Di2 SM-BTR1 Universal Battery Shimano Dura-Ace Di2 SM-BTR1 Battery
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Shimano Di2 SM-BTR1 Universal Battery Shimano Dura-Ace Di2 SM-BTR1 Battery
Shimano Di2 SM-BTR1 Universal Battery Shimano Dura-Ace Di2 SM-BTR1 Battery

Shimano Di2 SM-BTR1 Universal Battery

Mfg PartNum:ISMBTR1A
$79.99
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Backorder: This item is currently out of stock but is available to purchase today as a backorder. The expected availability date shown above is our best estimate as to when it will be shipped to you, but this date is subject to change based on our receipt of this item from its vendor. Shipping in the continental US is free for all backorder items (for international orders, our customer service team will contact you when the item is available to ship). Your credit card will not be charged until your item ships (Paypal requires payment up front, but you can cancel for full refund). Anytime prior to shipment, your backorder can be cancelled by contacting our customer service team.

The Shimano SM-BTR1 is a rechargeable 7.4 volt lithium-ion battery for the Dura-Ace Di2 and Ultegra Di2 component systems.

Shimano recommends re-charging about every 1,000 miles. There is no charge memory so the battery can be charged again and again at any intervals. The battery can go through 300 charge cycles without diminishing and will slightly and slowly diminish afterward.

The SM-BTR1 weighs 70 grams and charges is 1.5 hours. Its charger, wiring kit, and frame mount are sold separately.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

Weight: 70 grams

Mfg PartNum: ISMBTR1A 

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Reviewed 11/11/2018
by Anonymous
Overall Rating
0 of 1 customers found this review helpful.
Not reliable

I had to get an extra battery because the first one drains if you forget to disconnect it after each use. There is also very little info on how these work or the readings when connected. After charging it up I get a green and red light. There is no literature on this stuff but no other option anyway other ham you got to have it to get the bike to work.

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Reviewed 11/8/2018
by gpep
Cycling Enthusiast
park city utah
Value Rating
Overall Rating
oops, it wasnt the battery

my original batter didn't seem to be working, so I ordered a new one. It was well priced and arrived quickly but I didn't need a new one. I brought bike in for service and they corrected the short in the shift toggle.

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