Knyee Energy ZC-W51100 5.12kWh 51.2V LiFePO₄ Wall-Mount Battery
The Knyee Energy ZC-W51100 is a low-voltage lithium energy storage battery engineered for residential and light commercial solar systems where reliability, safety, and long service life are essential. Built using lithium iron phosphate (LiFePO₄) cell technology and a comprehensive Battery Management System, this battery provides stable daily cycling performance and consistent power delivery.
This battery is designed for 48V-class hybrid and inverter-charger platforms and integrates with a wide range of mainstream inverter brands through standard communication protocols.
System Role and Typical Applications
The ZC-W51100 stores solar energy generated during the day and supplies power during load shedding, grid outages, or peak consumption periods. It is commonly used in residential backup systems, hybrid solar installations, and small commercial applications where dependable daily cycling is required.
It is a low-voltage battery and is not intended for high-voltage inverter systems.
51.2V Low-Voltage Battery Architecture
Operating at a nominal voltage of 51.2V, the battery falls within the standard low-voltage lithium category supported by most residential hybrid inverters. This voltage range allows efficient energy transfer while maintaining installer-friendly safety characteristics and broad inverter compatibility.
LiFePO₄ Cell Technology and Cycle Life
The battery uses lithium iron phosphate (LiFePO₄) cells known for excellent thermal stability, chemical safety, and long cycle life. The ZC-W51100 is rated for approximately 6000 cycles at 80% depth of discharge, making it suitable for daily charge and discharge operation over many years.
Battery Management System and Protection
An integrated Battery Management System continuously monitors voltage, current, and temperature to ensure safe operation. Protection functions include over-charge protection, over-discharge protection, over-current protection, short-circuit protection, low-voltage protection, and temperature protection.
These features protect both the battery and connected equipment under abnormal operating conditions.
Parallel Expansion and System Scalability
The ZC-W51100 supports parallel connection of up to 15 identical battery units. This modular design allows systems to scale from a single battery to larger energy storage banks as energy requirements grow.
Inverter Communication and Compatibility
Communication protocols include CAN, RS485, and RS232, enabling integration with a wide range of mainstream hybrid and inverter-charger platforms. Proper communication ensures coordinated charging and discharging behaviour and improved system efficiency.
Wall-Mount Design and Physical Construction
The battery is designed for wall-mounted installation and features a compact metal enclosure. The enclosure is manufactured from sheet metal for durability and mechanical protection. With an IP20 protection rating, the battery is intended for indoor installation in dry, ventilated environments such as garages, utility rooms, or battery cabinets.
Technical Specifications – Knyee Energy ZC-W51100 Battery
Battery Identity
- Brand: Knyee Energy
- Model: ZC-W51100
- Cell type: LiFePO₄
Electrical Ratings
- Nominal energy: 5.12 kWh
- Nominal capacity: 100 Ah
- Nominal voltage: 51.2 V
- Operating voltage range: 44 – 58.4 V
Charge and Discharge Performance
- Recommended charge current: 50 A
- Maximum charge current: 100 A
- Recommended discharge current: 50 A
- Maximum discharge current: 100 A
- Battery discharge cut-off voltage: 43.2 V
- Battery recovery voltage: 48 V
Communication
Physical and Environmental
- Installation type: Wall-mounted
- Product dimensions: 580 × 480 × 160 mm
- Packaging dimensions: 640 × 540 × 270 mm
- Net weight: 50 kg
- Gross weight: 56.5 kg
- Enclosure material: Sheet metal
- Colour: White
- Protection rating: IP20
- Discharging temperature: -20°C to 65°C
- Charging temperature: 0°C to 55°C
- Storage temperature: -20°C to 45°C
Certification and Lifecycle
- Cycle life: 6000 cycles at 80% DoD
- Certifications: CE, UN38.3, Class 9
FAQ
Frequently Asked Questions About the Knyee Energy ZC-W51100 Battery
Is the Knyee ZC-W51100 suitable for daily cycling?
Yes. The battery is rated for approximately 6000 cycles at 80% depth of discharge, making it suitable for daily charge and discharge operation.
Is this a high-voltage battery?
No. This is a 51.2V low-voltage lithium battery designed for 48V-class inverter systems.
How many batteries can be connected together?
Up to 15 identical ZC-W51100 batteries can be connected in parallel to increase total storage capacity.
Can this battery be wall-mounted?
Yes. The battery is designed specifically for wall-mounted installation.
Which inverters are compatible?
The battery supports CAN, RS485, and RS232 communication and is compatible with many mainstream hybrid and inverter-charger platforms.
Where can the battery be installed?
With an IP20 rating, the battery is intended for indoor installation in dry, ventilated environments such as garages or utility rooms.
Who should install this battery?
Installation must be performed by a qualified electrical or solar professional experienced with lithium battery systems.
Reviews
There are no reviews yet.