15V 4S 4P Power Wall Battery Pack with BMS | Renewable Energy
15V 4S 4P Power Wall Battery Pack with BMS | Renewable Energy
15V 4S 4P Power Wall Battery Pack with BMS for Renewable Energy Projects
Build your own reliable energy storage system with this 15V 4S 4P Power Wall Project Battery Pack with BMS. Whether you're powering a DIY solar setup, a home backup project, or a custom renewable energy system, this battery management solution delivers the structured, safe performance your project demands. Available in 5 color options to match your build aesthetic.
Key Features
- Configuration: 4S 4P arrangement for a nominal 15V output with 700mAh capacity per set
- Built-in BMS (Battery Management System): Provides overcharge, over-discharge, and short-circuit protection for safe, long-lasting operation
- 65W Charging Support: Requires a compatible 25.2V charger for optimal performance
- Materials: Constructed from durable Plastic and PCB components
- Charging Current Guidance: Recommended charging current per layer is no more than 2A to prevent overheating (e.g., 1 layer = 2A charger; 2 layers = 4A charger)
- Modular Design: Stackable and scalable for expanding your power wall project
- 5 Color Options: Choose the look that fits your build
- Versatile Use: Ideal for DIY energy storage, maker projects, prototyping, and small-scale renewable energy systems
Specifications
- Voltage: 15V (4S configuration)
- Cell Configuration: 4S 4P
- Capacity: 700mAh (set type)
- Max Charging Voltage: 25.2V (65W charger required)
- Recommended Charge Current: ≤2A per layer
- Materials: Plastic, PCB
- Dimensions: As shown in product images
- Color Options: 5 available
Who Is This For?
This power wall battery pack is perfect for DIY enthusiasts, electronics hobbyists, and renewable energy builders looking for a structured, BMS-protected battery system. Whether you're assembling a home energy storage unit, experimenting with solar or wind power projects, or prototyping a portable power bank, this pack delivers the reliability and safety features your build needs.
Safety & Usage Tips
- Always use the recommended 25.2V charger for 65W charging.
- Do not exceed 2A charging current per battery layer to avoid overheating.
- Ensure proper ventilation during charging cycles.
- Store in a cool, dry location away from direct sunlight.
For more information on safe energy storage practices and DIY renewable energy systems, visit the U.S. Department of Energy – Home Energy Storage resource page.
Frequently Asked Questions
Q: What does the 4S 4P configuration mean for this 15V power wall battery pack?
A: "4S" means 4 cells are connected in series, producing a nominal 15V output. "4P" means 4 cells are connected in parallel within each series group, increasing the overall capacity. Together, the 4S 4P configuration balances voltage and capacity for a stable, higher-capacity power wall battery pack suitable for renewable energy and DIY projects.
Q: What charger do I need for the 15V 4S 4P BMS battery pack?
A: For 65W charging, you will need a compatible 25.2V charger. It is recommended that the charging current per layer does not exceed 2A — for example, if using one layer, use a 2A charger; for two layers, use a 4A charger. This prevents overheating and extends the battery life.
Q: Can I stack multiple units to build a larger power wall system?
A: Yes! This battery pack is designed with a modular approach, making it suitable for stacking and scaling up your power wall project. Just ensure your charger current is adjusted accordingly — add 2A of charging current capacity for each additional layer you add to the system.
Q: What is the BMS (Battery Management System) and why is it important?
A: The BMS is an integrated circuit board that monitors and protects the battery cells during charging and discharging. It guards against overcharging, over-discharging, overcurrent, and short circuits, ensuring your power wall battery pack operates safely and efficiently over its lifespan.