Deye SE-F16 Energy Storage System – 16kWh LiFePO4 Solar Battery with IP21 Protection

The Deye SE-F16-C is a low-voltage LiFePO4 solar battery designed for residential and small commercial energy storage systems. With 16kWh nominal energy, 314Ah capacity, and 51.2V nominal voltage, it provides stable and scalable energy storage for solar PV systems.
This version is designed for indoor installations, making it suitable for technical rooms, garages, and protected environments where IP21-rated systems are required.
High-Capacity Solar Battery for Indoor Energy Storage Systems
The Deye SE-F16-C delivers 16kWh energy capacity, supporting:
- Self-consumption optimisation
- Backup energy storage
- Hybrid solar PV systems
- Complete solar kits with solar panels and inverters
It operates within a 44.8V to 57.6V voltage range, ensuring consistent performance across different load profiles.
LiFePO4 Battery with Integrated BMS
The SE-F16-C battery from Deye uses Lithium Iron Phosphate (LFP) chemistry, providing:
- Long cycle life ≥6000 cycles
- High safety and thermal stability
- Integrated Battery Management System (BMS)
- Built-in circuit protection
This ensures safe and reliable operation in indoor energy storage environments.
Scalable Energy Storage Design
The SE-F16-C supports:
- Up to 32 units in parallel
- Modular system expansion
- Flexible ESS design for residential and commercial applications
This allows installers to scale energy storage capacity based on project requirements.
Charge and Discharge Performance
- Max continuous charge current: 160A
- Max continuous discharge current: 230A
- Peak discharge: 280A (10 seconds)
This supports stable operation for solar PV systems with varying load demands.
Communication and Monitoring
The system supports:
- CAN2.0 communication
- RS485 communication
- Bluetooth monitoring via app
This enables system integration, monitoring, and maintenance in energy storage systems.
Installation and Application
- Indoor installation (IP21)
- Wall-mounted or floor-mounted
- Suitable for technical rooms and protected environments
Technical Overview – Deye SE-F16-C Solar Battery for ESS
- Battery type: LiFePO4 (LFP)
- Nominal energy: 16 kWh
- Nominal capacity: 314 Ah
- Nominal voltage: 51.2 V
- Operating voltage: 44.8 – 57.6 V
- Max charge current: 160 A
- Max discharge current: 230 A
- Peak discharge: 280 A (10 sec)
- Cycle life: ≥6000 cycles
- Protection: IP21
- Communication: CAN / RS485 / Bluetooth
- Scalability: up to 32 units
Product Datasheet and Downloads
Installation and User Manual Deye SE-F16 EN
Deye Hybrid Inverters Solar Battery Compatibility List
QUICK Installation Guide Deye SE-F16 EN
Installations- und Benutzerhandbücher Deye SE-F16 DE
Manufacturer Warranty Deye SE-F16 Battery
FAQ regarding the Deye SE-F16 Solar Battery
The Deye SE-F16-C is a 16kWh LiFePO4 solar battery designed for indoor energy storage systems used in solar PV applications, including self-consumption and backup power. Watch our solar trainings and webinars or visit you 3Buy Youtube Channel. … or alternatively you can browse for our latest articles regarding renewable and energy efficient heating and cooling in our Solar Distributor Blog.
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The Deye SE-F16-C is an IP21 indoor battery, while the SE-F16 Max features IP65 protection for outdoor installation and higher system performance.
No, unlike the Deye SE-F16 Max, the Deye SE-F16-C 16kWh LiFePO4 battery is specifically designed for indoor installation within controlled environments. This IP21-rated solar battery is intended for use in technical rooms, utility spaces, and garages where exposure to dust, moisture, and weather conditions is limited. The Deye SE-F16-C energy storage system is therefore ideal for residential and commercial energy storage systems where indoor installation is preferred, ensuring safe operation, stable performance, and long-term reliability in protected solar PV setups.
Yes, the system supports up to 32 units in parallel, with optional expansion up to 64 units using CAN-Bridge for larger energy storage systems.
Choosing between the Deye SE-F16-C and Deye SE-F16 Max 16kWh LiFePO4 battery depends primarily on the installation environment and system requirements.
Choose Deye SE-F16-C (IP21) if:
- The installation is indoors (technical room, garage, plant room)
- The environment is controlled (no dust, moisture, or weather exposure)
- You want a cost-effective solar battery solution for standard energy storage systems
- The project is a residential or small commercial solar PV system
- You are building complete solar kits with indoor battery placement
Best for: standard indoor solar battery installations with low installation complexity
Choose Deye SE-F16 Max (IP65) if:
- The battery must be installed outdoors or in exposed environments
- The project requires IP65 / NEMA 3R protection
- You need higher system robustness and environmental resistance
- The installation includes industrial, agricultural, or outdoor PV systems
- You want future-proof energy storage systems with higher durability
Best for: outdoor installations, harsh environments, and premium solar battery systems
Installer Summary
- Indoor project → SE-F16-C
- Outdoor or demanding environment → SE-F16 Max







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