• 6500mah capacity
• 6-cell 22.2 volts
• True 150C rating
• Lifetime warranty

• 5450mah capacity
• 6-cell 22.2 volts
• True 120C rating
• Lifetime warranty

• 3250mah capacity
• 6-cell 22.2 volts
• True 150C rating
• Lifetime warranty

• 2250mah capacity
• 6-cell 22.2 volts
• True 100C rating
• Lifetime warranty

• 2250mah capacity
• 5-cell 18.5 volts
• True 100C rating
• Lifetime warranty

• 2250mah capacity
• 4-cell 14.8 volts
• True 100C rating
• Lifetime warranty

• 2250mah capacity
• 3-cell 11.1 volts
• True 100C rating
• Lifetime warranty

• 2250mah capacity
• 2-cell 7.4 volts
• True 100C rating
• Lifetime warranty

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.

• 800mah capacity
• 3-cell 11.1 volts
• True 40C rating
• Lifetime warranty

• 800mah capacity
• 2-cell 7.4 volts
• True 40C rating
• Lifetime warranty

4 - Lipo 170mah 1-cell 3.7V battery packs

• 170mah capacity
• 1-cell 3.7 volts
• True 25C rating
• 41mm X 11mm X 6mm
• 3.9 grams
• 5C fast charge capable
• 100% compatible with existing MCX charger

6-Port Parallel Charge Adapter:

Please Select...No Parallel Charging Adapter (standard) 6-Port Parallel Charge Adapter (+$8.99)

Perfect lipo upgrade for Heli-Max 1SQ and 1SQ V-Cam.  Get longer flight times, more power, and more cycles.

• 400mah capacity
• 1-cell 3.7 volts
• 42mm X 19mm X 7mm, 11 grams
• Short leads for lower resistance and a better fit

Perfect lipo upgrade for Traxxas QR-1.  Get longer flight times, more power, and more cycles.

• 260mah capacity
• 1-cell 3.7 volts
• 30mm X 19mm X 7mm, 8 grams
• Short leads for lower resistance and a better fit