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Difference of desired charge level in % and current charge level in % = desired charge amount. Desired charge amount ÷ 22 = charge time in hours. (Multiply anything after the decimal point by 60 to convert to minutes.) hours:minutes. Set that in your timer. Example: 30 % existing charge 80%...

Maybe confusing. I used your formula as you stated below: Salko said: To show you my simple calculation example for my 700Wh battery and 4A charger: If you ride home with 13% and want to charge to 75%, there is 62% difference. Charging speed as mentioned is 22%/hour (only for about first 80%)...

With just a single charge timed the rate of 22% for charging from 32 to 80% was precise. It showed exactly 80% charge upon completion that evening. Next afternoon as I began my ride the charge read 32%. Close enough for me!

Wow. I notice exposed wires on the rack. Looked like he was messing with the system. Shorted it out and one by one the cells went off. Serious heat and continued ignition as cells burst. Water is not the best fire suppression tool for electrical fires.

It’s a 2020. It’s the 700.The charger is 4.0 A output.

That fire risk sounds serious. I will have to find a better spot to charge up! Like a stone counter... outside! An uncontrollable fire inside the house is an even bigger risk, attended or not! That’s a big battery pack with a lot of power stored. An industrial fire extinguisher will need to be...

Thanks so much. I used your formula to charge from 32% to 80% and set my timer. Very precise! It hit exactly 80% when the timer went off. Haven’t removed my battery yet. Gonna figure that out now so I can store it inside on cold nights... OK. Got it out. Kind of a pain though.

Just started with the Levo. Using it more on road so far as I get used to it. Was wondering on your room temperature comment. This am I rode at about 45*F. I don’t press it though. Running in eco boost of 15/45 most of the time. Increasing boost for short bursts as needed. What is the concern...

Why not charge unattended? Is there a fire danger? Can a “good” battery overheat when charging? Manual says the charger is intelligent and controls charge rate per battery needs.

Thanks for the info. I will try to charge to approx. 80% next time. Do the calc and set my timer. I assume the charger is intelligent and won’t overcharge if left overnight.

That leads to my question. How do you charge to just 80%? Is there a setting or do you watch it? I expect to charge overnight. Won’t be watching it.