AMB Mylaps MX Car Bike Kart transponder repair TranX3

AMB mylaps MX transponderAMB Mylaps Pro transponderAMB Mylaps 260 transponderAMB Mylaps 160 transponder

*$59US *€50 *£45 $75AU each for transponder battery replacement

USA customers special return via DHL express only $29US

Bulk discounts available - contact us for a quote
*Price may vary according to exchange rate at time of payment

Click here to see prices in other currency

Sending transponder for repairs

Contact us and advise the type & quantity of transponders you intend to send for repair and from which country


online contact form

Download the repair form and send it with transponders for repair.
Only send transponder, we do not need your charger.

Download transponder repair form

Freight to Transponder Services

USA clients can use USPS or courier of your choice or send on our DHL account.
Cost via USPS starts at $14US for single transponder in padded bag.
For more than one transponder a USPS Small Flate Rate Box can be good value.
USPS Small Flate Rate Box

Delivery from USA to Australia via standard air mail takes approx. 10-14 days.
DO NOT USE paper envelope as it will tear open in transit.

DHL express

In the USA and need to send by faster freight?
We can have your transponder picked up from your door via our DHL account or you can drop off at DHL from only $38US. (16 ounces/500grams)
Just ask and we will arrange it or if you provide us with your address we can supply a quote.
In most cases our DHL service is cheaper and faster than USPS express service.

Australian clients can use Australia Post or courier of your choice.
We recommend Australia Post 500g Yellow Express bag or Registered Mail.
DO NOT USE paper envelope as it will tear open in transit.

All other countries please use postal or courier service of your choice.
Delivery from UK, Europe can take 14 days.
Delivery from Asia can take 6-14 days.

Battery failure

Dead transponder battery

This is indicated by the transponder not running or the light not giving the usual indications.
Check that the charger is supplying 12 volts DC, if not then the power pack for the charger needs replacement.
Buy replacement Power Packs and charging kits from our shop.

Other repairs

No problem.
Outer casing can be repaired and bottom plate restored if missing or damaged.
Minor case repairs are around $15AUD
Base plate (black part) replacement $25AUD
LED light replacement $35AUD
Entire new cases are not available for this model, however in the extreme instance the entire case requires replacement a good used case can be fitted if available. POA
Replacement of broken positive charging lug (closest to black base) $30AUD
Replacement of broken negative charging lug (furtherest from black base) $40AUD

Testing & service


  • Test reading of TX number by timing system (decoder hit)
  • Test signal strength
  • Test battery run time
  • Transponder will still look great after repair
  • Transponder is re-sealed to better than AMB Mylaps specifications

No fix, no pay policy

In the rare instance the transponder is not repairable or does not pass testing, you are not charged for the attempted repair.



One year no hassle world wide warranty.
Quality Japanese batteries, so warranty claims are extremely rare.
If a battery does fail within warranty the battery will be replaced for free.

Flex transponders

Mylaps Flex transponderImportant: only Mylaps can service Mylaps FLEX transponders.
They look the same but have a WHITE base instead of black base.

If light flashes rapidly on or off charge the FLEX subscription has expired.
FLEX transponders have an unlimited warranty via


Further info

Most racing transponder problems are due to a the transponder battery failing. A new battery is expertly fitted and transponder signal, decoder pickup and runtime are tested to assure your transponder is in perfect working order. All transponder batteries are of the highest quality and the freshest available. The case of the transponder is left fully intact with only small minor marks to permit the fitting of the new transponder battery. So there is no ugly damage or weakening of the mechanical strength. After the transponder is tested and proved OK the transponder is re-sealed to AMB Mylaps specifications to ensure the reliability and robustness of your racing transponder making it fully weather proof. You can be assured that we provide the best transponder battery replacement service in the world with a proven track record of over 12 years. So you can enjoy many more racing years from your AMB or Mylaps racing transponder.