Slim AC Digital Ballast

Slim AC Digital Ballast

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XenonSupply SLIM AC Digital HID Xenon Ballasts are XS brand Digital AC units with quality internal components at a fair price.  We source and develop our ballasts to ensure they are compatible with 12V automotive power systems and test to ensure their power draw is accurate and acceptable for daily use.  XenonSupply only uses 35W systems, the same as those used in OEM HID Systems from luxury car manufacturers i.e. Mercedes Benz, Audi, BMW, Lexus etc. 

Benefits of Slim Ballast - Slim Ballasts use smaller internal components and still offer the same input and output power as its standard sized version.  With the Igniter unit in an epoxy filled chamber, we are able to reduce the size of the core unit by roughly half, also reducing the weight significantly.  Slim Ballasts are easier to mount, weigh less, and allow users to install their HID systems faster with less time spent under the hood, and more time enjoying their HID lights!

Why 35w Ballasts? 35w HID systems last longer, and produce less heat as a byproduct than other 55w~100w HID systems.  Most bulbs are not manufactured with different wattage ratings and using a higher wattage ballast will increase the wear and tear on a system reducing bulb life and color quality.  Color loss is a problem with higher wattage ballasts i.e. a 6000K bulb running at 55W will not produce the correct kelvin temperature and often leads to color matching problems.  Increased heat output is also a concern as it can lead to heat scarring, and in some cases, users have reported melting portions of their headlight housings.

Ballast Technical Specifications

Ballast Type Standard Slim
Model Number STS-142
Dimensions (L  x W  x H ) in/cm 3.39" x 2.48" x .31"
8.6cm x 6.3cm x .8cm
V in* 9v ~ 16v ~ 32v
V norm* 13.2v
I norm* 5.9A
I in max* 8A
P out 35W
T case Celsius/Fahrenheit -40C ~ +105C
-40F ~ + 221F

*V in - Minimum and Maximum voltage ballast can input over a short period of time

*V norm - Recommended voltage to properly operate the HID ballast

*I norm - Average input amperage by the ballast.  Most vehicles allow up to 10amps draw from the stock vehicle harness

XS Warranty and Return Policies:

Warranties and returns for products purchased via our Amazon Affiliates Program will be serviced by the respective sellers on Amazon.

We are consumers and customers like yourself and we understand that your satisfaction comes first. For products purchased directly on our website and not Amazon, we stand by our products, which is why we offer a 1 year hassle-free replacement warranty on all of our Standard Kits and bulbs, and 3 years on our Premium CANBus Ballasts. We take pride in the products and service we provide. If you are not 100% satisfied with our products or our service in the first 30 days, we will refund 100% of your purchase price*.

If you have questions regarding your purchase, or need to submit a warranty claim, please contact us at Please make sure to provide your Sales Order Number, and/or Full name used to purchase the product and we will be able to expedite your support claim

Warranty ballast DO need to be shipped back to XenonSupply after receiving a replacement, a return label may be provided for the ballast depending on the cause of damage.  Once a replacement item has been received and installed, the customer must return the defective ballast to XenonSupply.

Warranty bulbs do not need to be shipped back to XenonSupply prior to receiving a replacement.  Once a replacement item has been received and installed, the customer must provide a photo of the defective items with the wires cut as proof.  Photos must be submitted to either as an attachment, or a viewable link.

Additionally, all warranties cover only ONE replacement of the original products purchased and are non-transferable. Our warranty does not cover replacement of replacements. Our products are rated to last well beyond 3 years, and in rare cases where a customer's car is prematurely shortening the lifespan of our products either due to vehicle electrical issues or customer misuse, including but not limited to improper mounting of ballasts, auto collision/accidents, damage by customer, improper installation with daytime running lights (DRLs), installation on high beams, etc., it will void our replacement warranty.

*Note that original shipping costs are non-refundable, and if the order qualified for free shipping, a flat $10.00 shipping and handling fee will be deducted.


XenonSupply Return Policy:

XenonSupply offers a standard 30-day return policy. If for any reason you are not satisfied with your products purchased on XenonSupply, it may be returned within 30 days of the delivery date. The returned items must be in good condition with the original packaging and accessories. Upon inspection of a returned package, any items missing or damaged will have their value deducted from the total refund amount based on the current price of the item. Shipping costs on return items will be paid for by the customer. *Note that original shipping costs are non-refundable, and if the order qualified for free shipping, a flat $10.00 shipping and handling fee will be deducted.
Please allow 1-2 weeks following receipt of returned packaged for items to be processed and the amount to be credited back to your account.  If your item is defective, please notify us at or call us toll-free at 1-800-840-3240 Extension 3

How to process a return:
If you wish to return your item, you must first contact a XenonSupply Support Agent. Once you receive confirmation from a support agent, packages must be sent to the following address:

335 W 31st Street
Unit D
Los Angeles, CA 90007

XenonSupply is not responsible for lost or damaged items. It is recommended the customer save the tracking information for their return package in order to confirm delivery.

Defective, Damaged, or Incorrect Products:
If your product(s) arrive defective, damaged, or simply incorrect, please contact a Technical Support Agent as soon as possible.  We will send you a replacement part and provide you with a prepaid return label to return the defective/incorrect part if necessary.  Product(s) must be returned to us within 30 days. Customer is responsible to notify us with the issue by sending an email to with the images of the incorrect or damaged product received as a photo attachment.

If requesting a warranty replacement of any item, upon receipt of the warranty replacement, the defective items' wires must be cut and a photo must be submitted to  to avoid chargebacks to your account.

Manufacturer Warranty covers the merchandise(s) sold only. Any warranty of the installation of the product is the responsibility of the individual, shop, or technician who performed the installation. Our warranty is only valid with proof of sale from A proof of installation is required for all warranty claims for HID Kits. Warranty coverage is non-transferable. This Warranty specifically excludes defects resulting from water damage, fire, chemical spillage, acts of God, misuse, abuse, neglect, alteration, modification, improper installation, operation with un-approved aftermarket headlights and/or DRL (Daytime Running Light) feature, submersion, vehicle crash, dropping or by any other type of impact. Color issues, such as discoloration, matching or ANY modification to the system and components, or operating on a vehicle with a defective component and part, will automatically void the warranty.

If you have questions regarding the above policies, please do not hesitate to get in touch with us at

Thank you,
XenonSupply Team