ASI BAC 8000 Controller For Sur Ron (ERT) with NXT Display

£899.00 £849.00

ASI BAC 8000 Controller For Sur Ron with NXT Display

Out of stock



Higher Volts, Higher Amps Higher RPM+  Higher Speed !

This is truly plug n play and expect RELIABLE speeds of around  80+ MPH (with upgraded battery)

UK Dealer for ERT. All taxes and import duties paid and UK shipping –


Now with stainless steel mounts (only we include these)

If on Back order, and we have deliveries approximate every three weeks.

For international orders including non mainland UK please email for extra shipping costs: [email protected]

Set at the same power as its slightly smaller brother the 4000. This controller is designed for much higher power outputs and finds these power setting extremely easy to handle and with much better cooling.

Power sets from

5600w (using stock standard battery)

7000w (using standard battery with discharge modification)

13500w with upgrade after market 72v battery.

Now with the advanced NXT  display:

Controller Feature Set

  • FOC (Field Oriented Control)
  • improved torque throughout the rev range
  • Higher RPM compared to the stock controller on 52V and especially on 72V
  • Silky smooth throttle control and responsiveness, like a fine adjustable knob on a light switch.
  • Improved efficiency due to FOC algorithm, premium internal components within the controller (like the mosfets) which increases efficiency while reducing heat losses
  • Automatic sensored to sensorless transition which gives you addition 5% top speed and better performance
  • Supported displays are
  • Includes 3D Printed mounting bracket
  • Usable voltage is 48V-90V
  • Loom
  • Mounting Kit
  • Install Instructions
  • NXT display:


* UK Warranty 


We now offer a fitting service (only if purchased from us or ERT) in different location around the county.

Each location has different working patterns.

Generally the bike will need to be dropped of at prior arrangement and collect one working week later. but must include a full weekend in between.

Price £179 and not included with the original controller purchase.

Current fitting locations are:


North Wales,