My new 13.5ah 52V bottle battery has been charged up once, on Tuesday, to 100% right after I received it. I rode around the neighborhood last night for the first time a couple of miles, then rode about 5 miles this afternoon, and then did 15 miles this evening along with 75 extra pounds of kid+tagalong bike behind me. At the end of the ride this evening my DPC-14 color display is showing 53.0 volts after a total of 22 miles ridden.

That seems pretty good to me. If we use 3.0V per cell as the LVC, times 14 is 42 volts. The battery showed 58.4 volts on the charger after the charger stopped charging. 58.4 - 42 is 16.4, 20% of that is 3.28, so 20% of the battery remaining should be 45.3 volts. At 53 volts I should have 67% battery remaining. Is my math right?

That seems pretty good to me. If we use 3.0V per cell as the LVC, times 14 is 42 volts. The battery showed 58.4 volts on the charger after the charger stopped charging. 58.4 - 42 is 16.4, 20% of that is 3.28, so 20% of the battery remaining should be 45.3 volts. At 53 volts I should have 67% battery remaining. Is my math right?

## Comment