Fox-R Logbook — Real-World Range & Charging Tracker

Estimated Practical Remaining Range

Calculated Estimate • Not Live Telemetry

No range estimate yet

Record your first trip in the Trips tab to calculate your observed km/% and estimated practical range.

Usable Above Reserve: —

Theoretical to 0% (Unbuffered): —

Projected 100% Full Range: —

Battery: Not recorded Reserve buffer: 15%

Latest Recorded Battery

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Log a trip or charge to begin

Avg Observed Efficiency
—
Needs at least 1 valid trip

Est. Practical Range

—

Estimate awaits trip data

Total Recorded Distance

0.0km

Across 0 valid trips

Range Estimate Settings & Quick Actions

Configure your safety reserve buffer or test "what-if" battery levels

Configured Battery Reserve (%) Default: 15% (0–50%)

Test Battery % for Range Check (Optional)

Latest Recorded Trip

Most recent commute entry from your logbook

Record a Trip

Enter your starting and ending odometer and battery readings

Date & Time *

Trip Name or Route Optional

Starting Odometer (km) *

Ending Odometer (km) *

Starting Battery (%) * 0–100%

Ending Battery (%) * Must be lower than start %

Weather Optional

Passenger / Load Optional

Riding Conditions / Mode Optional

Free-Text Notes Optional

Trip Distance: —

Battery Used: —

Observed Efficiency: —

Trip History

Showing 0 of 0 saved trips

Search Route or Notes

From Date

To Date

Log a Charging Session

Track charging duration, battery gained, and average % gained per hour (kept separate from trip efficiency)

Charging Start Date & Time *

Charging End Date & Time *

Starting Battery (%) * 0–100%

Ending Battery (%) * Must be higher than start %

Charging Notes Optional (e.g., home 450W charger, public fast charger)

Duration: —

Battery Gained: —

Charge Speed: —

Charging History

No charging sessions logged yet.

Observed Efficiency & Range Projections

Calculated as total valid distance divided by total valid battery percentage points consumed

No valid trips recorded yet

Weighted Average Efficiency
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Total sample km ÷ total sample battery % consumed

Total Sample Distance & Battery Used

0.0 km

0.0 percentage points consumed

Estimated Practical Remaining Range

Insufficient data

Formula: avg km/% × max(0, current % − reserve %)

Theoretical Estimate to 0% Battery

Insufficient data

Theoretical only — deep discharge to 0% is not recommended or guaranteed

Efficiency Trend Over Time (km/%)

Chronological view of trips in the active sample window

Date	Route	Distance	Battery Used	Observed km/%