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Trek 2011 FX+ (2010) battery

The Trek 2011 FX+ runs on a 37V 9.6Ah (355 Wh) battery rated for up to 50 miles.

37 Vnominal voltage
355 Whbattery capacity
50 mimax range
8replacement packs listed

Battery specifications

Nominal voltage
37 V
Capacity
9.6 Ah
Energy
355 Wh
Chemistry and layout
Lithium-ion
Charge time
4 hours
Estimated range
35–50 miles
Motor
BionX PL-350, Rear-Mounted Gearless Direct Drive Hub, 350W nominal
Class
Pedal Assist (Class 1)
Launch price
$2,679

Efficiency at max range: about 7.1 Wh per mile.

Packs with matching voltage and capacity

Packs at 37V with at least 320 Wh

Other Trek batteries

More Trek models
ModelYearBatteryCapacity
Domane+ SLR 9 eTap202336V 10Ah360 Wh
FX+ 2 Stagger202336V 7Ah250 Wh
E-Caliber 9.9 XTR202136V 7Ah252 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

Frequently asked questions

What battery does the Trek 2011 FX+ use?

The Trek 2011 FX+ (2010) uses a 37V 9.6Ah, 355 Wh battery (Lithium-ion).

How far can the Trek 2011 FX+ go on one charge?

Estimated range is 35 to 50 miles depending on assist level, rider weight, terrain and temperature.

Can I use a bigger battery on the Trek 2011 FX+?

A higher amp-hour pack at the same 37V 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.