Nothing close enough? Start from a blank circuit diagram → Describe it in one paragraph.
How to use a circuit diagram template.
- 01Choose a template
Start from a battery pack template or blank canvas to save time.
- 02Add cells and connections
Drag battery cells, wires, and connectors to build your series-parallel arrangement.
- 03Insert protection components
Add fuses, BMS modules, or balance leads as needed for safety.
- 04Label and annotate
Apply text labels for voltages, capacities, and part numbers for clarity.
- 05Export or share
Download as image or SVG, or share a link for collaboration.
Questions about circuit diagram templates
What does 2S2P mean?
2S2P means 2 cells in series and 2 in parallel, providing twice the voltage and twice the capacity of a single cell.
Do I need a BMS for series-parallel battery packs?
Yes, a Battery Management System (BMS) is crucial for balancing cells, preventing overcharge/discharge, and ensuring safety.
Can I use different capacity cells in series-parallel?
No, always use identical cells with matched capacities and internal resistance to avoid imbalance and potential damage.
How do I calculate total voltage and capacity?
Total voltage = number of series cells × cell voltage; total capacity = number of parallel cells × single cell capacity (Ah).
Where should I place fuses in a battery pack?
Place a fuse on the main positive output and optionally on each parallel string for enhanced protection.