LiPo 4000 5S 18.5v Battery Pack

LiPo 4000 5S 18.5v Battery Pack

Price: $174.99
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  • 4000mah capacity
  • 5S 18.5 volts
  • 150C rating
  • Lifetime warranty
  • 5C fast charge capable
  • 100% waterproof
  • Built today with factory fresh cells
  • Engineered drawings available upon request
  • Built with high-grade silicone jacket wire. Wire gauge determined by plug choice.
  • We add the connector and JST-XH balancing tap
  • Main lead length is 4.00" (custom lengths available upon request)
  • Balance tap wire length is 2.00" (custom lengths available upon request)
  • 137mm x 45mm x 36mm, 480g


We can provide any connectors and wire gauge that you prefer for both balance taps and the main connector. This battery is also available as a "Smart Battery" with a built-in BMS and hard case. We can also offer this battery in ANY VOLTAGE or CAPACITY that you require since they are assembled to order here in the USA. Custom configurations are available upon request. Contact us here on live help, by email, or via phone at 888-654-4450 with your specific requirements.

2 Product Reviews - Average rating 5 / 5 (Show All)

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4000 5sl.

- July 09th 2015

Max-Amps packs are considerably smaller in physical size to any other brand of battery available. They allow a higher cell count to be used in a limited space. My experience has been flawless & performance beyond expections.


- January 06th 2015

Power! power!! power!!! This battery has lots of it, runs great n cool, been pushing my vehicle will over 60mph, I been using this battery in a built Backslash and been doing some crazy speed runs it's got me to 92.9mph!!! And still can run all day bashin...

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