What should I do if my food delivery e-bike battery doesn't last long?

After delivering for a while, having an e-bike battery that doesn't last is more annoying than getting fewer orders. Many people's first reaction is to replace the battery, but in reality, it's often a combination of charging habits, tire pressure, load, and weather that drags down the range. I used to work the evening peak in winter, and the battery would drain extremely fast after starting…