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Trek E-Caliber 9.9 XTR (2021) battery

The Trek E-Caliber 9.9 XTR runs on a 36V 7Ah (252 Wh) battery rated for up to 50 miles.

36 Vnominal voltage
252 Whbattery capacity
50 mimax range
8replacement packs listed

Battery specifications

Nominal voltage
36 V
Capacity
7 Ah
Energy
252 Wh
Battery brand / cells
Samsung 3200Ma 18650 10 Series 2 Parallel
Chemistry and layout
Lithium-ion
Battery weight
3.2 lb
Charge time
3.5 hours
Estimated range
20–50 miles
Motor
Fazua Evation (Black Pepper Tune Software Version), Mid-Mounted Geared Motor, 300W nominal, 450W peak
Torque
55 Nm
Class
Pedal Assist (Class 1)
Launch price
$11,500

Efficiency at max range: about 5.0 Wh per mile.

Packs with matching voltage and capacity

Packs at 36V with at least 227 Wh

Other Trek batteries

More Trek models
ModelYearBatteryCapacity
Domane+ SLR 9 eTap202336V 10Ah360 Wh
FX+ 2 Stagger202336V 7Ah250 Wh
Powerfly FS 9 Equipped202136V 17.4Ah626 Wh
Rail 9.9 XX1 AXS202136V 20.1Ah750 Wh
Verve+ 3202136V 13.4Ah482 Wh
Allant+ 7202036V 13.4Ah482 Wh
Verve+ 2202036V 11Ah396 Wh
Dual Sport+201936V 13.4Ah482 Wh

Frequently asked questions

What battery does the Trek E-Caliber 9.9 XTR use?

The Trek E-Caliber 9.9 XTR (2021) uses a 36V 7Ah, 252 Wh battery from Samsung 3200Ma 18650 10 Series 2 Parallel (Lithium-ion).

How far can the Trek E-Caliber 9.9 XTR go on one charge?

Estimated range is 20 to 50 miles depending on assist level, rider weight, terrain and temperature.

Can I use a bigger battery on the Trek E-Caliber 9.9 XTR?

A higher amp-hour pack at the same 36V voltage adds range, as long as it fits the mount and connector. Do not use a higher-voltage pack unless the controller is rated for it.