Battery Bank Size Planner
Solar Off-Grid Watt-Hour Ah
$4.99 · Designed for iPad. Not verified for macOS.
BatteryBank Sizer - professional calculator.
Undersized battery banks mean dead power at night. Oversized banks waste money and space. This calculator tells you exactly how many batteries you need for your off-grid or solar setup.
Enter daily load in watt-hours, system voltage (12V, 24V, 48V), depth of discharge percentage, autonomy days, and individual battery specs. Calculates required amp-hours, batteries in series and parallel, total battery count, and total bank capacity.
WHAT IT CALCULATES:
- Required total amp-hours
- Batteries in series (voltage matching)
- Batteries in parallel (capacity matching)
- Total battery count
- Total bank capacity vs required
KEY FEATURES:
- Supports any battery chemistry (lithium, AGM, flooded lead-acid)
- Depth of discharge adjustment
- Autonomy day planning
- Works completely offline
- No account or login required
Perfect for solar installers, RV owners, cabin builders, and marine electricians.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Added a More Pro Tools section to discover related field calculators.
The developer, Shanghai Sheyuan Network Technology Co., Ltd., 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Shanghai Sheyuan Network Technology Co., Ltd.
- Size
- 973.8 KB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Sheyuan Inc.
