Now users of all models and brands of ESCs can appreciate and enjoy the advantages of Lithium Polymer (Li-Po) battery packs without the fear of damaging the cells. The Smart-Stop Li-Po Cut-Off Module will monitor your Li-Po battery pack voltage and prevent...

Field Link allows you to modify the most commonly used settings in your Castle controller all at the touch of a single button.  Simply connect the Field Link to the throttle lead of the controller to power up. Click the button to scroll through and change the indicated settings.  That easy!

This programming card also works as a standard Castle Link that gives you access t...

Nice upgrade for your Summit, E-Revo, E-Savage, E-Zilla or an original E-Maxx. This is for 1 pair of our new 5000mah packs. One left side and one right side. These cells are grouped by voltage, zapped and ready to race. These packs will work perfectly with both a stock and upgraded truck with no modifications required.

Two 5000mah - 7.2V  battery pack

Killer upgrade for your new Summit, E-Revo or 16.8V E-Maxx. This is for 1 pair of our new 5000mah 7-cell flat packs. One left side and one right side. These cells are grouped by voltage, zapped and ready to race. These packs will work perfectly with both a stock and upgraded Summit, E-Revo or 16.8V E-Maxx with no modifications required.

Two 5000mah - 8.4V  battery pack

Killer upgrade for your E-Revo. This is for 1 pair of our new 4500 6.6V life packs. One left side and one right side custom wired to fit the E-Revo battery compartment. These packs will work perfectly in the stock brushed setup but are not recommended for the Brushless Edition.

These packs will make your Traxxas E-Revo scream!

MaxAmps.com brings you the exclusive "Green Ser...

Killer upgrade for your new E-Revo. This is for 1 pair of our 6500 7.4V lipo packs. One left side and one right side custom wired to fit the E-Revo battery compartment. These packs will work perfectly with both a stock and upgraded E-Revo with no modifications required.

These packs will make your Traxxas E-Revo scream!

Two Lipo 6500mah - 7.4V packs

The ultimate upgrade for your Brushless E-Revo. This is for 1 pair of our 5250 11.1V lipo packs. One left side and one right side custom wired to fit the E-Revo battery compartment. These packs are NOT for a stock E-Revo and will only work with brushless upgraded vehicles. No tray modifications required.

These packs will make your brushless Traxxas E-Revo scream! If you're lookin...

The ultimate upgrade for your Brushless E-Revo. This is for 1 pair of our new 6000XL 11.1V lipo packs. One left side and one right side custom wired to fit the E-Revo battery compartment. These packs are NOT for a stock E-Revo and will only work with brushless upgraded vehicles. No tray modifications required.

There is no better pack than...

The ultimate upgrade for your new E-Revo. This is for 1 pair of our new 9000XL 7.4V lipo packs. One left side and one right side custom wired to fit the E-Revo battery compartment. These packs will work perfectly with both a stock and upgraded E-Revo with no modifications required.

There is no better pack than this if you're wanting to replace your 7-cell flat NIMH pack or upgrade your ...

Awesome kit to make your Traxxas E-Revo scream!  All you need is a power supply for the charger and you're ready to run.

***Two 4500 2S Life packs w/ VXL Female Plug & Hyperion taps ***Hyperion EOS0615iDUO3 Balance Charger w/ VXL Male Plug ***Lipo Sack

Awesome kit to make your Traxxas E-Revo scream!  All you need is a power supply for the charger, a lipo cutoff for your ESC unless you have the new brushless edition and you're ready to run.

***Two 6500 2S packs w/ VXL Female Plug & Hyperion taps ***Hyperion EOS0615iDUO3 Balance Charger w/ VXL Male Plug ***Lipo Sack

The ultimate kit for your Traxxas Brushless E-Revo!  All you need is a power supply for the charger. These packs are NOT for a stock E-Revo and will only work with brushless upgraded vehicles. No tray modifications required.

If you're looking for an insane amount of power, these are the packs for you!

***Two 5250 3S packs w/ VXL Female Plug & Hyperion taps *...

The ultimate kit for your Traxxas Brushless E-Revo!  All you need is a power supply for the charger. These packs are NOT for a stock E-Revo and will only work with brushless upgraded vehicles. No tray modifications required.

If you're looking for an insane amount of power, these are the packs for you!

***Two 6000XL 3S packs w...

Ultimate kit to make your Traxxas E-Revo scream!  All you need is a power supply for the charger, a lipo cutoff for your ESC unless you have the new brushless edition and you're ready to run.  If you're looking for longer run times, this is the kit for you!

***Two 9000XL 2S packs w/ VXL Female Plug & Hyperion taps ***Hyperion EOS0615iDUO3 Balance Charger w/ VXL Male P...