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Home Page | Certified Aircraft

Certified Aircraft

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Ready to change the past, present and future of aircraft technology?

EARTHX LITHIUM BATTERIES IS!

How about replacing that huge chunk of LEAD with a 5.4 pound, 840 Peak cranking amp lithium battery? Introducing the ETX900-TSO FAA approved lithium battery!

As the world leader in the experimental aircraft market for lithium batteries, EarthX has used all that experience and knowledge to become the first ever TSO’d approved lithium battery manufacturer with a 12volt battery.

What does it take to have an TSO’d lithium battery? Check out this daunting list of some of the required testing (DO-311 index of tests).

As the first company to achieve this goal, EarthX has what is called a FAA TSOa certification. We hold the design approval and manufacturing approval to produce this battery. At release, we will not have any Supplemental Type Certificate (STC)’s yet. For you to install this in your aircraft, you will need to get a field approval with FAA Form 337 for your aircraft or wait for the STC’s to follow.

http://www.faa.gov/documentLibrary/media/Form/FAA_Form_337_.pdf

Because of this additional step you will need to do, we are offering the ETX900-TSO at an incredible introductory price of $699 for the next few months. (Future pricing is estimated to be around $899.)

Click here for Maintenance & Instructions for Continued Airworthiness manual
Click here for Install and Maintenance Manual ETX900-TSO

  • 13.2V 9.5Amp Lithium (LiFeP04) Battery Charger/Maintainer/Power Supply

    $168.89

    This Optimate Lithium charger will quickly charge your battery,  maintain it at the optimal voltage so it is ready to go when you are,  but also has a very cool feature of being a power source of 8 continuous amps! For example, you can use it as power supply while programming your aircraft EFIS, or supply power to your car while retuning it.

    • CHARGER
    • MAINTAINER
    • POWER SUPPLY

     

    Add to cart
  • 13.2V Optimate TM-291 5 amp Lithium (LifePo4) Battery Charger/Maintainer

    $129.90

    The Optimate TM-291 Lithium charger will charge and maintain your lithium battery with 5 amps of energy so your battery is ready to go when you are!  If you want a faster charger, there is also the 9.5 amp version below that also has a “tune” or  power source mode of delivering 8 continuous amps of energy so you can program your EFIS or retune your car, click below if you want those features for an additional $40.

    https://earthxbatteries.com/product-category/accessories

     

    To reset an EarthX battery that is in the over discharge protection mode, connect alligator clips FIRST, and then plug unit into the wall. You will see the lights go to the save mode.

    Add to cart
  • Amber LED Indicator

    $74.99

    Press to Test indicator features a dimming actuator, LED replaceable lamp, and an amber lens.

    Military grade panel mount indicator meets or exceeds military specification MIL-L-3661B with high quality black anodized aluminum housing.

    The 12V LED is easy to installation and compatible with a 10-15V electrical system. If you do not have an EFIS to connect to, this is a required indicator light if installing in a certified aircraft along with the ETX900-TSO battery.  Details installation directions are located in the EarthX manual but it is very simple. To install, connect red wire to a positive bus connection, connect the black wire to fault monitoring wire (also black) that is located on the EarthX battery.

    Specifications:

    • Color: Amber
    • Voltage: 12V
    • Drill bit size: 15/32″

    Kit includes:

    • Wire  20ga- 60″ in length
    • Mounting: Nut and Washer (included)
    • Replaceable LED lamp
    Add to cart
  • ETX900-TSO

    $699.00

    The all new ETX900-TSO designed for certified aircraft!

    Introductory price is $699 and you can place your order now!  We do not have any STC’s yet so you will have to attain your own field approval to install it.

    This battery is only 5.4 pounds and can be used in an aircraft that has an alternator/generator with 80 amps output or less.  This battery has electronic protections (BMS) and built in thermal runaway containment and venting  with 2 venting tubes that are 3 feet in length each. The ETX900-TSO meets all of the DO-311a and DO-160 requirements for a  lithium battery in aircraft.

    This battery also has an LED battery fault light indicator on the battery itself plus it  can be programed into your EFIS or wired to an LED on your panel (SOLD SEPARATELY).  The fault indicator  alerts you to the state of charge and state of health of the battery. (Please see manual for details)

    The battery management system (BMS) protects the cells from:

    • over discharge
    • over charge
    • short circuit
    • excessive cranking
    • cell balancing technology
    • PLUS these protections are redundant for another layer of protection.

    EarthX is proud to be one of the most trusted brands in the experimental aircraft market and soon certified aircraft market!

    FAA Required Statement:

    “The conditions and test required for TSO approval of this article are minimum performance standards. Those installing this article either on or within a specific type or class of aircraft must determine that the article installation conditions are within the TSO standards. The article may be installed only according to 14 CFR part 43 or the applicable airworthiness requirements.”   

    We are only shipping this battery in the USA at this time, please send us an email if you are an OEM interested outside of the USA.
    Add to cart

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EarthX Brochure

Click here for Maintenance & Instructions for Continued Airworthiness manual

Click here for Install and Maintenance Manual ETX900-TSO

Download/View Our Manual

View Our Accessories

Testimonials

  • I can’t believe how many companies today do not answer their phones or have knowledgeable employees. EarthX knows their stuff and answers their phones!

    Will Y.

    5 star customer service!
  • I have been following this company for years now and I am constantly amazed at their ingenuity. I notice that their “competitors” try and copy them which is always a back door compliment.  Kuddos to you EarthX!

    Sam H.

    Innovative
  • I did a lot of research and found “cheaper” batteries out there but none that had the extensive manual or documentation to back up their “marketing” materials. I am very pleased with this product but also the company too as they are professional and seem to really care about their customers which is rare these […]

    Quality is never cheap
  • I finally replaced my chunk of lead years ago with an EarthX battery and the difference is incredible. My bike handles better and I never worry about it starting! I’ve had it 4 years now and couldn’t be happier.

    Tim H.

    JUST WOW!
  • I finally replaced my chunk of lead years ago with an EarthX battery and the difference is incredible. My bike handles better and I never worry about it starting! I’ve had it 4 years now and couldn’t be happier.

    Tim H.

    JUST WOW!
  • Dear EarthX, I want to thank you for great service. You warranted my battery, and exchanged it for a new one. I want you to know that I thought I was in for a fight, not used to such good service. Very well appreciated.  Some times doing business online , especially second party , can be […]
    Beyond excellent customer service!
  • I have to admit that your customer service is well above the standard level that I’ve received from other aircraft businesses. I was expecting a “shrug of the shoulders” response regarding the limited two year warranty for a battery I purchased three years ago. What I was surprised to learn is that your company is […]

    Customer service well above standard!
  • When I called a real person picked up the phone when I had an issue with my battery. I then emailed your Warranty folks and everything was taken care of right away. I got a call right back, followed up by an email, with a replacement battery in the mail! That’s Customer Service! I will […]

    Great customer service!
  • Thanks a million for the “care package”.  It showed up this afternoon.  The 36C was exactly what my 1190R needed, starter spins up like it should now – I should have bought this battery 3 years ago when I first got the bike.  I appreciate your interest and help!

    Craig D

    I should have done this 3 years ago!
  • Dear EarthX,

    I have made 10 or 15 engine starts since installing the new EarthX battery last week. It is PHENOMENAL! It spins the engine over much faster and makes the engine starts much better.

    Gary W. (in an airshow performance plane)

    PHENOMENAL!
  • Thank you so much for the quick reply. You folks have the service side of this business down pat. I can’t tell you how much it means to me to have been able to sort this problem out so quickly and painlessly. In my years in business I graded my […]

    Customer for life!
  • My Aprilia Futura 1000cc V-twin doesn’t like batteries recommended by the factory and when using them it struggles to start and usually kills them within 2 years. It also likes to leave me stranded costing $400 for tow trucks and the embarrassment comes free of charge. One of my co-workers is using your batteries […]
    3 years later…..love my EarthX
  • OMG!!!  You sold me a battery for my RV-8A at the Northwest Aviation Conference in Puyallup, WA. I put it in my plane a few weeks ago but the weather did not co-operate until today. What a difference! My starter does not whine anymore and it cranks way faster! Also, I still have not lost […]

    OMG! You were right!
  • Recently purchased and installed an ETX680C for my experimental plane. The 680C replaced a Ballistics Performance EVO2 battery. Your battery is FANTASTIC. There is an amazing difference in cranking performance–I can almost taxi my aircraft when just running the starter!

    Ted W.

    FANTASTIC PRODUCT!
  • Questioned myself for buying such a costly battery, however it has been one of my best decisions. This battery has performed exceptionally well and I will continue to upgrade to these Lithium batteries on all of my sport equipment!

    Buck

  • The weight loss on my bike was felt immediately. Feels like a have a smaller bike now. Still can’t believe how light weight and strong starting ability. I’m thoroughly impressed. Hope it can hold out for the long run. Very happy so far. Install took a little TLC by bending some loop connectors but battery […]

    K1200RS
  • By changing to this battery in my airplane, I shaved 10 lbs off the forward area and gave myself a far better battery. Easy fit too.

    Don

    Great weight saver in my aircraft!
  • Twice the CCA’s at less than 1/3 the weight. Great product and great company!

    Scott

    ETX36C
  • Purchased the ETX900 for my 3300 Jabaru aircraft engine in my Zenith CH750. The new battery spins the engine significantly faster, allowing for starting the engine without preheating every time (anytime it was below 60 degrees F) What a difference it made and saved me just over 10 pounds. It’s worth the price.

    Eric

    Zenith CH750
  • After flying all weekend I must say I am impressed with this battery (ETX 900). My Odyssey PC 925 always worked well until recently with 4 years of use it started turning the prop a bit slower each time during start.

    Your ETX 900 turned my engine and prop (IO-360, C/S) faster than I’ve ever seen […]

    Follow up testimonial to Aerobatic Airplane

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