Earth X Batteries



Earth X ETX12A and ETZ5G

EarthX ETX12A lithium battery is light weight and crazy powerful!

The ETX12A  is a lithium iron phosphate (LiFePO4)  starter battery designed to produce high cranking amps to turn over your engine and lasts much longer than your lead acid battery.  The ETX series of starter batteries are the most innovative and technology advanced batteries on the market!

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!

Please note, this battery does not come with the terminal adapters, sold separately,  as it is rarely needed with dirt bike application.

NEW AND IMPROVED!  EarthX ETZ series of starter batteries are the most powerful, light weight, compact sized batteries on the market!

Designed to replace the stock, small lithium battery that comes with the 2017 or newer dirt bikes from KTM, Husqvarna, Honda, Beta, and Kawasaki with almost TRIPLE the cranking power! This is also a great battery for other dirt bike models where weight and performance matter. It only weighs 1 pound, and has 240 cranking amps!

The ETZ5G  is a lithium iron phosphate (LiFePO4), starter battery with high cranking abilities and only 1 pound! Please note, this battery does not come with the terminal adapters, sold separately,  as it is rarely needed with dirt bike application.

Exclusive Features:

  • Over charge protection
    Other brands do not protect against this and void the warranty
  • Built in cell balancing technology
    Other brands must use a special balancing charger in order to level the charge of each cell. Your vehicle is what charges the battery most of the time, if you do not have built in cell balancing technology, how is your battery balanced while using it?
  •  Short circuit protection
    Up to 1,000 amps (Other brands void the warranty if you short the battery)
  • 1 year full coverage warranty
    Not a prorated warranty that offers you the replacement at a discounted rate ifthey don’t void the warranty
  • Unique and exclusive design
    Custom design with the terminals down the center so you do not need to worry about ordering the wrong polarity! Just turn it and you can switch which side is positive and negative
  • Designed, engineered and assembled in the USA


Why choose an EarthX lithium battery? S    P    E    E    D

S=    SPEEDY CHARGING- EarthX ETZ batteries will charge 2-3X faster than a lead acid battery.

P=   POWERFUL and LONG LASTING- EarthX ETZ batteries crank your engine over easily and will improve your starting performance as their nominal voltage is 13.3V compared to a lead acid which is only 12.6V. Also EarthX ETZ batteries life span is much longer than a lead acid battery and can last years longer!

E=   EXTREMELY LIGHT WEIGHT- EarthX ETZ batteries are up to 80 percent lighter than their lead acid equivalents. Lighter weight = better performance! This saves an average of 2-3 lbs. for dirt bikes, 6-8 lbs. for street bikes and 10-20 lbs. for touring and cruiser bikes.

E=  ENVIRONMENTALLY FRIENDLY- EarthX ETZ batteries are environmentally and user friendly. Nonhazardous, nontoxic, nonpoisonous. Will not sulfate, will not corrode, will not freeze, will not boil over, will never need water added and will not spill acid EVER!

D=   DISCHARGE RATE- EarthX ETZ batteries have a much slower discharge rate than a lead acid and the need to charge them is greatly reduced.