RenewSpark Tools

Battery Pack Design Tools

Free · Designed for iPad. Not verified for macOS.

Design safer lithium-ion battery packs with accurate S/P layouts, runtime estimates, and build tips for power tools, e-bikes, car audio, RC, and DIY. RenewSpark Tools helps you design safer, more accurate lithium-ion battery packs with clear S/P suggestions, runtime estimates, and real-world build guidance. This update adds dynamic recommendations tailored to power-tool rebuilders, e-bike and high-current builders, car-audio SPL systems, and DIY electronics users. Whether you're rebuilding packs or designing custom battery systems, RenewSpark Tools gives you conservative calculations, practical advice, and confidence in every build.

Ratings & Reviews

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• Added Advanced Info section with tailored guidance for Power-Tool Rebuilders, High-Current/E-Bike/Car-Audio builders, and DIY low-current users • Introduced dynamic persona-based calculations where relevant • Improved Battery Capacity tool with clearer results and better input validation • Updated UI with modern cell-type picker and design refinements • Enhanced stability, fixed minor bugs, and improved overall user experience

Version 1.2

The developer, Behrooz Falsafi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Behrooz Falsafi
Size
  • 5.4 MB
Category
  • Utilities
Compatibility
Requires iOS 17.6 or later.
  • iPhone
    Requires iOS 17.6 or later.
  • iPad
    Requires iPadOS 17.6 or later.
  • Mac
    Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.3 or later.
Languages
  • English
Age Rating
4+
Copyright
  • © 2025 RenewSpark
  • Developer Website
  • Privacy Policy

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