Quote:
Originally Posted by Plinker
Been there, done that. I live between 466A and Brownwood. I took off with 3/4 green lights and rode to Fenney. It was then I realized that the first green light lasts for 50% of the ride while the last 3 lights last for the final 50%. It’s not a linear discharge. I rode it home sans the electric over both bridges and after a few liters of IV fluids (not really), the last green light came back on in Brownwood and I made it home. What a workout! I learned to ALWAYS recharge the battery to full after each ride regardless of the remaining charge. Can also carry a second battery for around $500.
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A couple of thoughts:
Carrying a charger - I’m too impatient to wait for a 2 or 3 amp charger.
Range - An e-bikes range is always a guessing game. Study how far you can go on different battery levels. Write them down. The display showing the percentage remaining is usually wrong. If your display shows voltage remains, use that to ESTIMATE your range, and as someone else pointed out, battery discharge is not linear. You go farther on a volt at a higher charge level than you will a lower one. The battery manufacturers usually publish a chart correlating remaining voltage to the ACTUAL percentage of remaining battery.
Recharging your battery - This advice came from a respected e-bike engineer! Maximize battery life, discharge the battery to 20% (do not drain it to the low-voltage cut off) then charge it to only 80%. He does recommend a workaround, if you want to charge to 100% be sure to drain off at least one volt within 12 hours or so of when the battery is finished charging.
Cheers