---
title: "Battery Bank Size Planner - Reviews, Revenue and Downloads in Germany | Apple App Store"
description: "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 l"
---

# Battery Bank Size Planner — Germany

![Battery Bank Size Planner App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/df/d5/ad/dfd5ad0f-c2cf-be8b-65fb-ee4bab45992f/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Shanghai Sheyuan Network Technology Co](https://apptail.io/developer/shanghai-sheyuan-network-technology-co-mkXe)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** €5.99
**Bundle ID:** com.sy.batterybanksizer
**Store:** Apple App Store
**Country:** Germany
**Version:** 1.0.3 (released 2026-06-27)
**Original Release:** 2026-04-08
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/de/app/app/id6761745483)
**AppTail Page:** [https://apptail.io/app/battery-bank-size-planner-DvPz/germany](https://apptail.io/app/battery-bank-size-planner-DvPz/germany)

## Battery Bank Size Planner Description
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.

## Battery Bank Size Planner Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/66/3f/47/663f479c-c490-a135-0c66-2ee13add6494/screenshot_iphone_1.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/65/b4/0a/65b40a5b-c3d7-3d09-0adb-a5a39fee4044/screenshot_iphone_2.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/bd/a0/c8/bda0c8fa-f65a-dc87-bb18-237cd3c29cdc/screenshot_iphone_3.jpg/1284x2778.png)







## Battery Bank Size Planner Available In
- [Austria](https://apptail.io/app/battery-bank-size-planner-DvPz/austria)
- [Germany](https://apptail.io/app/battery-bank-size-planner-DvPz/germany)
- [France](https://apptail.io/app/battery-bank-size-planner-DvPz/france)

---

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