Anyone have experience with 3rd party range extenders for Shimano EP801, or, even better, experience putting one on a Moterra SL?

TheKaiser

New Member
Dec 12, 2024
19
7
Connecticut
I'm looking at getting a new, lightish, but still full power e-bike, and the Moterra SL is in the running. The 1 hesitation I have is that Cannondale does not seem to have made any provision for a range extender on this bike. In my opinion, this 600wh battery is a great way to keep the bike light, and will cover most rides, but having the option of a range extender is key for making it the whole package for big days out with a lot of vert. Also, I know the stock battery is a Darfon, not a Shimano, so not sure how much that will alter the options compared to a bike with a full Shimano motor/battery system. So, my questions are:
1. The Orbea Rise has a range extender available that apparently works with its EP801. Is there any chance that the Orbea range extender would work on other EP801 based bikes like the Moterra SL?
2. Digging through the forum, I have seen there are 3rd party range extenders manufacturers that claim Shimano compatibility, including Epic e-Bikes in Australia (Shimano Trail eXtender Bottle Batteries), Hexagon 360 in Italy (Range Extender "Hexagon 360" - 10Ah 360Wh) and Trailwatts in the UK/US (Focus Ebike 252wh Booster Pack). Do any of you folks have experience with using them on an EP801 bike, and in particular, and EP801 bike with a Darfon battery.
3. Are there any options that I am missing, that could be well suited to the task of adding a couple hundred watt hours to the Moterra SL? Unfortunately, the battery is not removable without pulling the motor, so simply purchasing a 2nd battery isn't a comparable option to a range extender.

I'd be happy to receive responses either from riders with knowledge or manufacturers who are active here on this forum like @TrailwattsUK

Thanks in advance for any assistance! I am really hoping that there is someone filling in the gap that Cannondale has left with this bike.
 

Winford

New Member
Oct 29, 2024
79
99
auburn ca
I would not be happy with a 600 w battery, and then if you are asking how to piggy back more on it. Why not just buy a 900w bike

I have a 900w on an ep801 and I literally drain it empty almost every day, Im ready for second battery so I can stay out longer.
 

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