Wall-Mounted K03 Series
Slim-profile LFP wall-mounted battery platform for indoor residential energy storage, solar integration and backup power. Two capacity variants: 5kWh and 10kWh.
Key Features
Slim Profile
Compact slim enclosure for space-saving wall-mounted installation.
Safe & Reliable
LiFePO4 cells with multi-level BMS protection.
Long Cycle Life
6000+ cycles at 80% DOD.
Solar Integration
Seamless integration with residential solar systems.
Expandable Capacity
Support parallel connection for system expansion.
Smart Communication
CAN / RS485 / RS232 for remote monitoring and control.
Technical Specifications
| Parameter | LQ-W5-K03 5.12 kWh |
LQ-W10-K03 10.24 kWh |
|---|---|---|
| Nominal Energy | 5.12 kWh | 10.24 kWh |
| Nominal Voltage | 51.2V | 51.2V |
| Nominal Capacity | 100Ah | 200Ah |
| Battery Chemistry | LiFePO4 | LiFePO4 |
| Cycle Life | 6000+ | 6000+ |
| Communication Interface | RS485 + CAN + RS232 | RS485 + CAN + RS232 |
| Protection Rating | IP65 | IP65 |
| Charge Cut-off Voltage | 58.4V | 58.4V |
| Discharge Cut-off Voltage | 41.6V | 41.6V |
| Max. Charge Current | 100A | 100A |
| Max. Discharge Current | 100A | 100A |
| Dimensions (LxWxH) | 700x483x170mm±2mm | 620x400x210mm±2mm |
| Net Weight | 60kg | 132kg |
| Gross Weight | 75kg | 150kg |
| Charge Temperature | 0°C ~ 45°C | 0°C ~ 45°C |
| Discharge Temperature | -20°C ~ 60°C | -20°C ~ 60°C |
| Storage Temperature | -10°C ~ 45°C | -10°C ~ 45°C |
Inverter Compatibility
| Brand | Model | Communication | Status |
|---|---|---|---|
| GROWATT | SPH 3000-10000 | CAN / RS485 | Verified |
| DEYE | SUN-3K/5K/8K/10K | CAN | Verified |
| SOLIS | RHI-3K/4K/5K/6K | RS485 | Verified |
| Victron | MultiPlus-II | CAN | Verified |
Can't find your inverter?
Contact us to check compatibility for your inverter model.
Check CompatibilityAll models in this series are verified compatible with Deye, Victron, Growatt, GoodWe, SMA, Solis, Sofar, Luxpower and other major inverter brands via CAN / RS485 / RS232.
Applications
Home Backup
Keep essential household loads powered during grid outages.
Solar + Storage
Store excess solar generation for later use and increase self-consumption.
Energy Self-Consumption
Maximize the use of self-generated clean energy and reduce bills.
Peak-Time Management
Reduce peak-time grid usage and optimize energy costs.
Installation Process
Site Assessment
Check site and system requirements.
Battery Installation
Mount the battery securely on the wall.
Inverter Connection
Connect the battery to a compatible inverter.
System Configuration
Configure communication settings.
Commissioning
Test the system and ensure proper operation.
Operation
System ready for reliable performance.
Certifications & Safety
- Multi-level BMS protection
- Over-charge / Over-discharge protection
- Over-current / Short-circuit protection
- Temperature protection
Downloads
Frequently Asked Questions
Two capacities are available: 5.12 kWh and 10.24 kWh, corresponding to the LQ-W5-K03 and LQ-W10-K03 models.
CAN, RS485 and RS232 are supported, compatible with mainstream inverters and energy-storage monitoring systems.
Verified compatible with GROWATT, DEYE, SOLIS, Victron and other major brands. See the inverter compatibility list for details.
OEM/ODM customization is supported, including silk-screen, packaging and enclosure branding.
Please confirm the regular MOQ with sales; small-batch sampling is supported.
Multi-unit parallel expansion is supported; the exact number depends on the model and system design.
Pre-mass-production sample orders are supported for testing, validation and certification.
CE, IEC, UN38.3, RoHS and MSDS certified.