How To Safely Install Parallel Batteries On Your Ebike. No swap or switch

How to safely install parallel batteries on your ebike. Dual batteries on an ebike can provide more than 2x the range. This ebike mod will help the batteries last longer. No switches, No need to alter current wiring. Simple plug-and-play design. Parallel battery balancer. Go further than you have ever gone before. Your electric bicycle does not need to be limited to just one battery any longer.