Skip to content

Follow us!

FREE economy shipping on all orders over $99* US (lower 48 states)

Get in touch with us

Onyx 7.4V 5000mAh 2S 35C LiPo Hard Case: EC3 ONXP50002S35

Unit price  per 

Guaranteed safe & secure checkout

    Payment methods
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Meta Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa


Key Features

  • Pre-wired with a EC3 connector and JST-XH balance connector
  • Value-priced without sacrificing quality or performance
  • Capable of maximum continuous discharge rates up to 35C


Onyx™ batteries have been created to provide you with the performance you want without breaking the bank. All Onyx batteries feature quality assembly, wiring, power and balance connectors. Available in a wide variety of capacities and voltages, there’s a Onyx battery perfect for almost any car, truck or boat application.


Balance Lead Length
3.1 in (80mm)
Battery Balance Connector
Battery Type
LiPo (3.7V per cell)
Battery Voltage
Cell Configuration
Charge Protection Circuitry
Connector Type
Discharge Lead Length
3.54 in (90.0mm)
Hard Case
Maximum Continuous Discharge Current
Maximum Continuous Discharge Rate
Normal/Standard Charge Current
Normal/Standard Charge Rate
Number of Cells
Product Height
0.93" (24 mm)
Product Length
5.45" (138 mm)
Product Weight
8.50 oz (241 g)
Product Width
1.83" (46 mm)
Watt Hours
Wire Gauge
12 AWG

Worldwide Shipping

7-Day Shipping Anywhere in the World!

Satisfaction Guaranteed

Our products covered with full manufacturer's warranty.

30-Day Returns

Most un-opened un-used products can be returned within 30 days by contacting us.

24/7 Customer Support

Got questions? We got answers! Just contact our live chat to get an answer within 24 hours!

Onyx 7.4V 5000mAh 2S 35C LiPo Hard Case: EC3 ONXP50002S35

Liquid error (product-template line 699): Could not find asset snippets/custom_fields.products.parts_list.liquid



Didn't find your answer?

Our customer service will be happy to help you.

This section doesn’t currently include any content. Add content to this section using the sidebar.

Why Shop With Us?

Safe & Secure

100% Secure SSL Encrypted Checkout

Fast & Easy

Over 20+ Fast & Easy Ways To Pay

American Express Apple Pay Bitcoin Bitcoin Cash DAI Diners Club Discover Elo Ethereum Google Pay JCB Klarna Litecoin Mastercard PayPal Shop Pay USDC Venmo Visa

Pay Later

Choose a Pay Later option during checkout.


V.I.P. Shipping

V.I.P Shipping Lets You Cut in Line & Get Your Order Shipped Within 1 Business Day, other orders 3-4.

V.I.P. Shipping

Our Guarantee

Our Products Are Always Brand New & Covered by Manufacturer's Warranty so you can shop safe.

Warranty Info

30-Day Returns

Not 100% In LOVE With Your Purchase? Send It Back Hassle Free! (*refund & return conditions apply)

Returns Info

Live Chat Support

Got Questions? We Got Answers! Just contact our support team here and we'll resolve your issue.

Contact Us