Use/care of dual battery systems not documented or is confusing
Consult user manual for dual battery switching/charging. Confirm with ENVO if procedure unclear or bike won't switch/load both.
Submit a Ticket Here.
We're happy to help:
Still can't find the solution?
Or
Connect with our agents through live chats 
Related Articles
Understanding the Dual Battery Setup on ENVO D50/ST50 E-Bikes
If you're riding an ENVO D50 or ST50 equipped with a dual battery setup, you might notice something that seems a bit confusing at first: the display may indicate that the battery is nearly depleted—even though you know you’ve got two batteries ...ENVO Battery Safety Guidelines
How to Safely Charge Ebike Battery Most reported battery fires are caused during the charging of the batteries. Hence, customers must be extra cautious when charging the batteries. Following, you can find some tips on the proper charging process: ...ENVO Flex Overland/SnowBike Dual Battery Setup
Do you have the battery rail? 1: Attach the battery rail to the frame using the slots cutouts and adjust the height. 2: Attach the battery bracket (plastic part) to the battery rail using 3 screws. In case you dont have the battery rail, use the ...ENVO Flex (2024) Dual Battery Setup
Install the bracket: Remove the rubber caps from the holes on the rear side of the bike. Attach the bracket to the holes. Open the bike: Open the folding hinge and then the frame of the bike. Remove the controller plate: Remove the two Phillips ...D50/ST50 Dual Battery Setup Instructions
1: Fasten the Dual Battery Bracket to the downtube of the bike. 2: Remove the battery from the downtube and remove the wire shield shown bellow. 3: Using three fasteners, remove the charging pins. 4: Remove the plastic side plate. 5: Push the ...