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Maximize EV Battery Safety and Performance with the ALT100L Leak & Airtightness Tester

The MaxiEV ALT100L is your ultimate solution for ensuring the integrity of your EV’s battery system. This powerful tester is designed to detect leaks in high voltage battery enclosures and thermodynamic systems, ensuring optimal performance and safety.

Here’s what sets the ALT100L apart:

Precise Leak Detection:  Experience unmatched accuracy with the ALT100L’s high-sensitivity pressure sensing, providing real-time dual pressure display of current pressure and leakage fluctuation.
Tailor-Made Testing:  Customize your tests with preset options for Pack ID & volume, target pressure, testing phase time, and alarm settings, ensuring a personalized and efficient testing experience.
Effortless Monitoring:  Enjoy onscreen test monitoring and automatic saving of test parameters, making retesting and adjustments a breeze.

The ALT100L offers:

Comprehensive Coverage:  Test both high voltage battery enclosures and high voltage thermodynamic systems for leaks.
Enhanced Stability:  Experience significantly improved test accuracy and stability with the ALT100L’s advanced pressure sensing technology.
Peace of Mind:  Backed by a one-year limited warranty, ensuring your investment is protected.
Don’t compromise on EV battery safety.  Invest in the MaxiEV ALT100L and ensure your battery system is leak-proof and ready for peak performance.


  • Tests high voltage battery enclosures and high voltage thermodynamics systems such as coolant and A/C for leaks.
  • High-sensitive pressure sensing significantly improves test accuracy and stability.
  • Dual Pressure Display: Real-time display of current pressure and leakage fluctuations.
  • On-screen monitoring of tests progress.
  • Customizable Presets: Pack ID and volume, target pressure, testing phase time, and alarm settings.
  • Automatically saves test parameters for easy retest adjustments.
  • Audible and visual abnormal or failed test results to ensure safety.
  • Saves test result screenshots to USB for report generation.
  • Software updates via download
  • Covered by one-year Limited Warranty

All returns must be postmarked within fifteen (15) days of the purchase date. All returned items must be in new and unused condition, with all original tags and labels attached.


The following items cannot be returned:

> Subscriptions license codes

> For defective or damaged products, please contact us at the contact details below to arrange a refund or exchange.

Please Note

> A 15% restocking fee will be charged for all returns.

> Returns must be approved and include return authorization before being shipped.

> Items should be shipped by a carrier that can track packages.

> Customer assumes responsibility for insuring returned item