Firefly Max 16kWh LiFePO4 Home Energy Storage Battery
Firefly Max is a 16kWh LiFePO4 home battery for homes and projects that need more usable energy, strong discharge capability and a clean installation footprint.
Larger usable energy in one clean battery cabinet
Firefly Max is built if you want fewer battery units and stronger backup capability. It should be matched with a suitable inverter and can support parallel expansion for larger residential or light commercial needs.

How We Help You Use This Product
Use these points to compare product fit, explain the solution clearly, and build a more reliable home energy storage offer for your market.
Large Single-Unit Capacity
16.179kWh nominal capacity reduces the number of cabinets required for larger home backup projects.
Higher Discharge Capability
Rated discharge up to 10.24kW helps support broader household backup requirements.
IP65 Protection
A stronger enclosure rating supports a wider range of installation environments when installed correctly.
Technical Specifications
Use these figures for first-round product selection. Final configuration should be confirmed according to inverter model, local standards and project application.
| Model | Firefly Max-16K |
|---|---|
| Battery chemistry | LiFePO4 |
| Nominal voltage | 51.2V |
| Nominal / usable capacity | 16.179kWh / 14.561kWh |
| Rated / max charge | 80A / 5.12kW; 160A / 8.192kW |
| Rated / max discharge | 200A / 10.24kW; 220A / 11.264kW for 1 second |
| Communication | RS232 / RS485 / CAN; optional Wi-Fi and Bluetooth |
| Depth of discharge | 90% |
| Protection | IP65 |
| Cycle life | 8000 cycles at 25C |
| Design life | More than 15 years at 25C / 77F |
| Expansion | Up to 15 units in parallel, subject to system design |
Application Fit
Firefly Max is stronger when you need longer backup time, fewer cabinets or higher discharge capability.
Weak-Grid Homes
A practical option where grid outages are frequent and larger backup energy is needed.
Larger Backup Loads
Supports more meaningful backup periods for refrigerators, lights, communications and selected appliances.
Expandable Projects
Parallel expansion can support larger residential or light commercial applications after system confirmation.
This video demonstrates the Firefly Max home energy storage battery and its parallel test for larger-capacity residential and backup applications.
Need full datasheets, pricing or compatibility confirmation?
Send us your target market, inverter brand, required capacity, quantity and certification needs. Our team will recommend a suitable product and document package.
Product FAQ
Find quick answers before you choose a model, match an inverter or request documents.
Can Firefly Max be paralleled?
Yes. It supports up to 15 units in parallel, subject to system design and inverter matching.
Is it suitable for outdoor installation?
It has IP65 protection, but final installation must still follow local electrical rules and site conditions.
What inverter information should I send?
Send inverter brand, model, voltage range, communication protocol and target application.
What is the usable capacity?
The nominal capacity is 16.179kWh and usable capacity is 14.561kWh.
