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36V 7Ah Bottle Battery with Integrated Bafang Controller for E-Bikes

£245.00

This is the smallest profile and most stealth design we currently sell.

Within its small footprint not only does it house a 36V nominal charge battery, with 7ah capacity, but it also hides a 250W UK road legal controller in the base of the battery mount. So with this one unit you can cover both battery and controller requirements for a simple road legal build. This controller is NOT programmable like our Bafang and Grin Tech options, but ideal if you just want to convert you bike and ride.

It has connections compatible with our Bafang 250W motors, handlebar displays, PAS, throttle and e-brakes.

It is a removable design, meaning the battery can be removed from the bike for charging and security when locking up your bike. When on the bike it is secured by a key lock, but key locks on ALL batteries should never be relied on for security purposes. It is always best to remove the battery if leaving the bike unattended. Make sure the battery will fit in your desired location by closely checking the dimensions of the product shown in the pictures. This unit is designed to attach to your water bottle cage mount points.

 

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  • Actual UK stock
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36V 7Ah Bottle Battery with Integrated 250W UK Road Legal Controller for E-Bikes

This is the smallest e-bike battery and controller combination we currently offer. The compact 36V 7Ah bottle battery houses a fully integrated 250W UK road-legal, programmable, Bafang controller within its base, providing both power and control in one sleek unit. Designed for simplicity and reliability, this all-in-one solution is perfect for riders looking to convert their bike for legal road use.

This controller is programmable, allowing power, PAS levels and more to be tweaked, when used in combination with our USB Programming Cable.

The battery features a removable design, allowing you to detach it easily for charging indoors or to take it with you for security when locking up your bike. While it includes a key lock to secure it on the frame, as with all battery locks, it is advisable to remove the battery when leaving your bike unattended.

This unit mounts neatly to your bike using standard water bottle cage mounts, but be sure to verify the dimensions provided before purchase to ensure a proper fit on your frame. Bottle Bobs can enable you to mount the item where no bottle cage mount holes are available.

The package includes a compatible 2A charger for safe and efficient battery charging.

It has a 2 pin Higo cable connection and mating short length of cable to allow you to connect integrated lights. Note that the full battery voltage is present on this cable when the lights are turned on on the handlebar display. That means any lights connected need to be able to handle a maximum voltage of 42.4V.

SPECIFICATIONS

  • Controller Model: BF-LD-HY-241

  • Battery Voltage/Capacity: 36V, 7Ah

  • Battery Chemistry: Lithium-ion
  • Battery Cells: Samsung 35E
  • Continuous Discharge Current: 15A
  • Peak Discharge Current: 30A

  • Controller: Integrated 250W UK road-legal (non-programmable)

  • Compatibility: Works with 250W motors, displays, PAS, throttles, and e-brakes. Contact us regarding compatability

  • Removable Battery: Yes, with key lock for retention (not theft-proof)

  • Charging: Includes 2A charger

  • Total Weight: 1.94 kg

  • Battery Weight: 1.35 kg

 

DIMENSIONS

  • Battery: 255mm (L) × 148mm (W) × 83mm (H)

  • Base/Mount: 245mm (L) × 98mm (W) × 65mm (H)

 

IMPORTANT NOTES

  • Designed to fit standard water bottle cage mounts — please measure your frame to confirm fit.

  • Always remove the battery when leaving the bike unattended for added security.

  • Shipping is limited to England, Scotland, and Wales due to lithium battery regulations.

  • Motors, controller, PAS and throttles can all have electrical variations within products that look the same externally.
  • 2 Pin light cable carries full battery voltage
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