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Electric
Bike Batteries

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MAHLE

X35+ External Battery (Holder/Wire Included)

£549.99
Finance From £11.46/mo

Cannondale

Synapse Varia Core CXB100 External Battery

£224.99  
Was  £249.99   | Save  £25.00   (10%)

MAHLE

X20 External Battery Range Extender E185W

£459.99
Finance From £7.67/mo

Orbea

RS 252Wh Range Extender GEN 0

£449.00
Finance From £7.48/mo

Orbea

540Wh 36V Internal Battery For RS GEN 2

£638.00
Finance From £13.29/mo

Scott

Genius/Strike/Aspect/Axis eRide Battery Range Extender Upgrade

£899.99
Finance From £18.75/mo

Giant

EnergyPak Smart 625Wh E-Bike Battery With Connector Protection

£650.00
Finance From £13.54/mo

Shimano

BTEN805 Internal 504Wh Battery

£399.99  
Was  £699.99   | Save  £300.00   (43%)
Finance From £9.57/mo

Shimano

BTE6001 Steps 500Wh Rack Mount Battery

£494.99  
Was  £549.99   | Save  £55.00   (10%)
Finance From £10.15/mo

Shimano

BTE8010 Steps 500Wh Frame Mount Battery

£512.99  
Was  £569.99   | Save  £57.00   (10%)
Finance From £8.76/mo

Shimano

BTE8036 Steps 630Wh Integrated Battery

£573.99  
Was  £819.99   | Save  £246.00   (30%)
Finance From £9.81/mo

Giant

EnergyPak Plus 250Wh E-Bike Battery With Bag

£350.00
Finance From £7.78/mo

Giant

EnergyPak Smart 500 Integrated E-Bike Battery - Type A

£600.00
Finance From £12.50/mo

Shimano

BTE8016 Steps 630Wh Frame Mount Battery

£647.99  
Was  £719.99   | Save  £72.00   (10%)
Finance From £11.07/mo

Shimano

BTE8035 Steps 504Wh Integrated Battery

£399.99  
Was  £659.99   | Save  £260.00   (39%)
Finance From £9.57/mo

Shimano

BTE8035 Steps 504Wh Long Integrated Battery

£449.99  
Was  £719.99   | Save  £270.00   (38%)
Finance From £9.22/mo

Scott

Patron eRide Replacement PowerTube 750Wh Battery

£769.99  
Was  £856.99   | Save  £87.00   (10%)
Finance From £13.16/mo

SRAM

Eagle Powertrain Battery - 630w

£720.00  
Was  £799.00   | Save  £79.00   (10%)
Finance From £12.30/mo
Available Sizes

SRAM

Eagle Powertrain Battery - 720w

£810.00  
Was  £899.00   | Save  £89.00   (10%)
Finance From £13.84/mo
Available Sizes

Orbea

Battery Puller - Orbea Blue

£11.00

Giant

EnergyPak Smart Downtube 600Wh 36V Battery - Type F

£870.00
Finance From £18.12/mo

Giant

EnergyPak Smart 625 Integrated 36V 625Wh Battery - Type A

£1100.00
Finance From £22.92/mo

Giant

EnergyPak Smart 800 Integrated 36V 800Wh Battery - Type A

£1200.00
Finance From £25.00/mo

Giant

EnergyPak Smart Compact 500 Integrated 36V-500Wh Type E E-Bike Battery

£860.00
Finance From £17.92/mo

Giant

EnergyPak 500 integrated Side Pull G-System 500Wh 36V E-Bike Battery

£720.00
Finance From £15.00/mo

Giant

EnergyPak Top-Release 500Wh E-Bike Battery - Matt Black

£500.00
Available Sizes

Giant

EnergyPak Top-Release 500Wh E-Bike Battery - Gloss Black

£500.00
Available Sizes
At Westbrook Cycles, we stock and supply a range of electric bike batteries to keep you moving.
These batteries are commonly purchased as replacement batteries for faulty or damaged battery units. These batteries are also purchased as spare batteries, which are perfect for sticking in a bike backpack to extend the range of an electric bike massively. Electric Bike batteries usually last between three and five years before needing replacement, so if you find your electric bike battery draining quickly or not charging up to levels it used to, providing poor range - it may be time to replace.