Best Electric Bike Battery 20ah Deals Online in the UK (24 Deals Found)

Last Updated - 29/10/2026 Sort By:

Best Choice
DICHOU

New
60V 20Ah Ebike Battery 2000W Electric Bike Lithium Conversion kit with Battery (Lg5000mah) Bicycle Replacement Batteries
Smart BMS: The battery is also equipped with a built-in 50A BMS system that can protect the battery from overcharging, o

£239.00
Adaluolo

New
Adaluolo 48V Ebike Battery, 48V 20AH Electric Bike Lithium Battery Hailong Bicycle Batteries with 2A Fast Charger, Indic
🏅 【48V 20AH Ebike Battery Parameter】UK Warehouse to you in 2-5 days. Top A Grade Cell, 40A BMS, 48V 20AH 5 Pin base pla

£203.99
New
48V 52V 20Ah 1000W 1500W Hailong Lithium Ebike battery Electric bike Battery
(The Second: 1 year warranty.

£256.00
MXS

New
48V 20Ah Ebike Battery for 0-1500w Motor Large Capacity Removable Electric Bike Bicycle Lithium Battery
Comes with 4A charger

£205.00
New
Ebike Battery 48V 52V 20Ah 25Ah for 1000W 1500W Hailong Electric Bike Battery
1 X Ebike Battery.

£269.99
Best Value
MXS

New
72V 20Ah Triangle Battery Ebike Electric Bicycle Bike Battery with fast charger + BMS for Motorcycle Mountain Bicycle
Large Capacity 20ah: Battery comes with 4A fast charger. Default connector : XT60 + Anderson connector.

£358.00
iCycleCell

New
iCycleCell E-Bike Battery, 48V 20AH Ebike Battery with 3A Charger, G80 4 Pin Base Plate for 250W 350W 500W 750W 1000W 15
🚵‍[48V 20AH Battery Parameters] ① Size: 365*90*125 mm/14.4*3.5*4.9 inch (L x W x H). ② For motor wattage: 50W-1500W. ③

£199.00
New
36V 48V 52V 15Ah 20Ah 25Ah Lithium Ebike battery Electric Bike Bicycle Battery
TOPWINNER battery can fit most motor kits, for example:Bafang, Voilamart, CSC, Tongsheng, EBIKELING, etc.

£188.00
WR-TEAM

New
R TEAM Ebike Battery 48v 20AH with 3A Charger, USB Port,Built in Samsung 50GB Cells,Lithium Electric Bike Battery for Re
🙂🙂 United Kingdom Warehouse, DX carrier So fast, Don't worried, We have professional staff to handle all your question

£207.88
New
Ebike Battery 52V 48V 36V 20Ah Hailong Lithium Ion Electric Bike Battery
36V 20Ah with 25A BMS Hailong Lithium Ebike Battery for48V 200W / 250W / 35 0W / 500W / 750W Motor.

£262.00
SDTYYP

New
48V 52V Electric Bike Triangle Lithium Battery Pack 20Ah Triangle Ebike Battery With fast charger + BMS for 350-2000W Mo
Battery capacity: 48V 52V 20AH, equipped with BMS protection board. Suitable for 350-2000W motors, applicable to electri

£239.00
Ecovoltix

New
Ecovoltix 48V 20AH Ebike Battery with Charger & USB, Lithium Electric Bike Battery Built-in 30A BMS, LED Indicator Light
BMS Protection: Built-in a 30A BMS protective plate, prevent over charge, over discharge, over current and short circuit

£189.99 £195.00
New
36V/48V/52V 15Ah 20Ah 25Ah Lithium ebike e-bike Electric Bicycle bike Battery
WallenPower battery can fit most motor kits, for example: Bafang, Voilamart, CSC, Tongsheng, EBIKELING, etc.

£255.00
iCycleCell

New
iCycleCell Ebike Battery 52V 20AH with 3A Charger, 5 Pin Base Plate for 250W 350W 500W 750W 1000W 1500W Motor, High Capa
🚵‍[52V 20AH Battery Parameters] ① Size: 365*90*125mm/14.4*3.5*4.9 inch (L x W x H). ② For motor wattage: 50W-1500W. ③ W

£209.00 £229.00
New
52V 48V 36V 20Ah 25Ah Lithium bike E-bike Li-Ion Electric Bicycle Bike Battery
We has been specializing in DIY electric bike for more than 8 years.Has extensive experience in modification.

£248.00
MXS

New
48V 20Ah Ebike Battery Electric Bicycle Battery for 200W-1500W Motor, HL03 Electric Bike Battery
Fits 0-1500w motor

£205.00
New
36V-52V 20Ah 0-1500W Motor Hailong Li-ion Ebike battery Electric bike Battery UK
With our strong, you can use this triangle ebike battery more safety.

£199.00
New
Samsung/LG eBike Battery 48V 52V 60V 24Ah 25Ah Electric Bike battery W/Charger
With our strong, you can use this triangle ebike battery more safety.

£256.00
New
Samsung E-bike battery 72V 60V 52V 48V 36V 25Ah Lithium Electric Bike (0~3000w)
UPP Samsung E-bike battery 72V 60V 52V 48V 36V 25Ah Lithium Electric Bike (0~3000w).

£334.00
New
36V 48V 52V 20Ah 25Ah Lithium Ion eBike E bike electric bike bicycle Battery Kit
WallenPower battery can fit most motor kits, for example: Bafang, Voilamart, CSC, Tongsheng, EBIKELING, etc.

£255.00
New
48V 52V 20Ah 0-1500W Motor Hailong Lithium Ebike battery Electric bike Battery
(The Second: 1 year warranty.

£258.00
New
Cyrusher 48V20AH 20" Full Suspension Torque Sensor City Electric Bike Kommoda3.0
The powerful hub motor paired with a responsive torque sensor ensures smooth, intuitive power on demand.

£1,199.00
New
26'' Electric Bike Pedelec 250W 36V 20AH Commuting City E-Bike Shimano 7 Speed
🚲 ZAZAWORK C26 PRO Electric Bike, 36V 20AH Battery, 25KM/H Max Speed, 120KM Max Range.

£479.00
New
Cyrusher 48V 20AH 20" Full Suspension Torque Sensor Electric Bike Kommoda3.0
The powerful hub motor paired with a responsive torque sensor ensures smooth, intuitive power on demand.

£1,199.00

24 Electric Bike Battery 20ah deals are available from: Amazon, eBay stores, starting from £188.00.
The biggest discount we found is 9% on iCycleCell Ebike Battery 52V 20AH with 3A Charger, 5 Pin Base Plate for 250W 350W 500W 750W 1000W 1500W Motor, High Capacity Hailong Electric Bike Bicycle Downtube Lithium ion Battery at Amazon.
The lowest price we found is £188.00 while the highest is £1,199.00.
Prices for the best Electric Bike Battery 20ah deals average at £329.74.
Last updated on October 29, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Electric Bike Battery 20ah.