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EarthX Batteries

Speedking MotoWerx is an authorized EarthX dealer carrying the full ETX lineup of lithium iron phosphate (LiFePO4) batteries for motorcycles, powersports, and experimental aircraft, plus the aluminum and thermal battery boxes and hold-down brackets to mount them. EarthX batteries are built in Bend, Oregon, weigh a fraction of a lead-acid battery, and include a built-in battery management system that protects against over-charge, over-discharge, and short circuit. Not sure which ETX model replaces your stock battery? Call (970) 566-3258 and we'll match it to your bike.

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  • ETX680-24-VNTETX680-24-VNT
    EarthX Batteries

    ETX680-24-VNT

    Designed for piston engines up to 550ci, max alternator output of 70 amps . If used for ONE turbine engine, you must have 2 batteries connected in parallel. Contact us prior to buying to verify the proper batteries needed for your TURBINE application, call...
    $799.00
    $799.00
  • BB-HDB Hold Down Bracket for “E” CaseBB-HDB Hold Down Bracket for “E” Case
    EarthX Batteries

    BB-HDB Hold Down Bracket for “E” Case

    This is a custom fit designed hold down bracket for floor mounting of the battery for the ETX680, the ETX900, ETX900-VNT , or the ETX1200 battery.  This battery bracket has a removable top hold down tab. This allows the battery to be removed from...
    $59.00
    $59.00
  • ETX18BETX18B
    EarthX Batteries

    ETX18B

    The ETX18B is a lithium iron phosphate (LiFePO4) starter motorcycle battery. It is designed to produce high cranking amps to turn over your engine and lasts much longer than your lead acid battery. EarthX has an exclusive fully integrated battery management system (BMS) to...
    $229.00
    $229.00
  • BB-U Light Weight aluminum battery box for “U” CaseBB-U Light Weight aluminum battery box for “U” Case
    EarthX Batteries

    BB-U Light Weight aluminum battery box for “U” Case

    This aluminum battery box has a removable hold down bracket. This allows the battery to be removed from the top or the front for easy installation and use. It is made of aluminum weighing only .325Kg or 11.5oz, yet can handle 9Gs force downward...
    $89.00
    $89.00
  • BB-MU2- Light weight aluminum battery box for “E” caseBB-MU2- Light weight aluminum battery box for “E” case
    EarthX Batteries

    BB-MU2- Light weight aluminum battery box for “E” case

    This battery box is strong enough to withstand 30 G of force for EarthX Lithium Batteries. It can withstand 6G of upward force and 9G of downward force with the Odyssey PC680 or ODS-AGM16L model. It only weighs .23Kg or 8oz. This unique design...
    $89.00
    $89.00
  • ETX680-24-TSO (24 Volt FAA Approved for GA Aircraft)ETX680-24-TSO (24 Volt FAA Approved for GA Aircraft)
    EarthX Batteries

    ETX680-24-TSO (24 Volt FAA Approved for GA Aircraft)

    FAA approved 24V ETX680-24-TSO certified aircraft battery. As of 7-31-2024, we have received the STC for the Cessna 172 N, P, Q, R, S models and this is the battery of choice for the new Cirrus G7 Aircraft in all new production models! This...
    $999.00
    $999.00
  • ETX1200-24-VNTETX1200-24-VNT
    EarthX Batteries

    ETX1200-24-VNT

    This battery is designed to start TURBINE engines with max motor/generator output of 300 amps or less.   Contact us prior to buying if your motor/generator is more than 300 amps to verify the proper batteries needed for your TURBINE application, call 970.674.8884 option...
    $1,699.00
    $1,699.00
  • ETX400-24-VNT - product videoETX400-24-VNT - view 2
    EarthX Batteries

    ETX400-24-VNT

    The ETX400-24-VNT is a deep cycle backup aircraft battery. However, it can also be used as a starter battery in limited applications that require cranking amps equal or less than 290 CCA. Also, this battery is fully protected by an integrated battery management system...
    $779.00
    $779.00
  • ETX900-TSO (12 Volt FAA Approved for GA Aircraft)ETX900-TSO (12 Volt FAA Approved for GA Aircraft)
    EarthX Batteries

    ETX900-TSO (12 Volt FAA Approved for GA Aircraft)

    The ETX900-TSO is a certified lithium aircraft battery that is FAA approved & designed for certified aircraft. This certified lithium aircraft battery has electronic protections (BMS) in addition to built in thermal runaway containment and venting ability. The ETX900-TSO meets all of the DO-311a...
    $699.00
    $699.00
  • ETX6A-SPC (Battery for Custom Patio Louver Remote Control Box)ETX6A-SPC (Battery for Custom Patio Louver Remote Control Box)
    EarthX Batteries

    ETX6A-SPC (Battery for Custom Patio Louver Remote Control Box)

    This custom designed battery made for the remote control for patio covers will last 4X longer than a lead acid battery and reduces the need for service calls as it will recharge much faster; withstand the outdoor weather extremes (will never freeze or boil)...
    $169.00
    $169.00
  • BB-CO Light Weight Battery Box for “C” caseBB-CO Light Weight Battery Box for “C” case
    EarthX Batteries

    BB-CO Light Weight Battery Box for “C” case

    This light weight battery box is engineered to be strong enough to withstand 30 G of force. However, it only weighs .15Kg or 5.3oz and will fit your battery like a glove. This unique design allows for simple, easy installation with the dimensions: 5.9″...
    $49.00
    $49.00
  • BB-CU Custom Light Weight Battery Box for “E” CaseBB-CU Custom Light Weight Battery Box for “E” Case
    EarthX Batteries

    BB-CU Custom Light Weight Battery Box for “E” Case

    This battery box for “E” case EarthX Batteries was engineered to be strong enough to withstand 30 G of force. However, it only weighs .18Kg or 6.4oz. This unique design allows for simple, easy installation with the dimensions: 6.5″ L x 3.1″ W x...
    $49.00
    $49.00
  • BB-TH Thermal Battery Box “E” caseBB-TH Thermal Battery Box “E” case
    EarthX Batteries

    BB-TH Thermal Battery Box “E” case

    This is a thermal battery box to protect the battery from high temperature. All batteries have optimal temperature ranges for use in operation. The ETX-Hundred series is rated for 140°F ( 60ºC) or less for optimal longevity and performance of the battery. Typical lead...
    $115.00
    $115.00
  • BB-TH-CO Thermal Battery Box “C” caseBB-TH-CO Thermal Battery Box “C” case
    EarthX Batteries

    BB-TH-CO Thermal Battery Box “C” case

    The EarthX thermal battery box is designed to protect the battery in engine compartment installations. It protects from periods of high temperature (up to 1 hour), such as after shutdown, and from radiant heat.  This stainless-steel box has a mirror finish to minimize the...
    $115.00
    $115.00
  • BB-TH-U Thermal Battery Box “U” caseBB-TH-U Thermal Battery Box “U” case
    EarthX Batteries

    BB-TH-U Thermal Battery Box “U” case

    The EarthX thermal battery box is designed to protect the battery from periods of high temperature (up to 1 hour). Additionally, this stainless-steel box has a mirror finish to minimize the effect of radiant heat, and it has a high-performance insulating foam layer between...
    $125.00
    $125.00
  • ETX680-24-HDB Hold Down BracketETX680-24-HDB Hold Down Bracket - view 2
    EarthX Batteries

    ETX680-24-HDB Hold Down Bracket

    This battery hold down bracket is designed for the ETX680-24-TSO and the ETX680-24-VNT lithium aircraft batteries.  
    $49.00
    $49.00
  • BB-CO2 Lightweight Aluminum Battery Box for EarthX ETX680C BatteryBB-CO2 Lightweight Aluminum Battery Box for EarthX ETX680C Battery
    EarthX Batteries

    BB-CO2 Lightweight Aluminum Battery Box for EarthX ETX680C Battery

    This battery box was engineered to be strong enough to withstand 30 G of force. This battery box is made for the ETX680C model and only weighs .18Kg or 6.4oz. This unique design allows for simple, easy installation.
    $89.00
    $89.00
  • ETX900-VNTETX900-VNT
    EarthX Batteries

    ETX900-VNT

    This lithium aircraft battery is based on the ETX900 design. It has the same cranking, capacity and electronic protections (BMS) but also has the addition of built in thermal runaway containment and venting for in cabin installation. It can be used in an aircraft...
    $549.00
    $549.00
  • ETX1600ETX1600 - view 2
    EarthX Batteries

    ETX1600

    The ETX1600 motorcycle battery is perfect for motorcycles, Airboats, Harley touring bikes, UTV’s, race cars/auto, aircraft, and deep cycle applications. In addition, this is an excellent choice for police motorcycles that need 2 batteries to operate safely for engine starts and lights. You can...
    $899.00
    $899.00
  • ETX36DETX36D - view 2
    EarthX Batteries

    ETX36D

    The ETX36D is an OEM fit lithium iron phosphate (LiFePO4), starter snowmobile lithium battery with high cranking abilities. EarthX has an exclusive fully integrated battery management system (BMS) to protect the cells so you will have a premium performance battery and better longevity. The...
    $369.00
    $369.00

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