Category

Power Supply & Solar Solutions → Solar Batteries → Lithium Batteries → 48V/51.2V Lithium Batteries

Brand

LuxpowerTek

Model

PGEM PRO

SKU

LUX-PGEM-PRO-14.3KWH

Short Description

The LuxpowerTek PGEM PRO 14.3kWh Lithium Battery is a high-capacity 51.2V LiFePO₄ energy-storage battery designed for residential, commercial and solar backup applications. It features a 280Ah capacity, intelligent BMS, 0.5C continuous charge/discharge capability, CAN/RS485 communication and up to 8,000 cycles. The battery can be expanded by connecting up to 32 units in parallel, subject to system design and inverter compatibility. 

The LuxpowerTek PGEM PRO is a 14.3kWh low-voltage lithium battery designed for large-capacity solar energy storage and backup power systems.

Built with LFP (LiFePO₄) battery chemistry, the PGEM PRO combines high energy capacity with an intelligent Battery Management System (BMS) for monitoring and protection. Its 51.2V, 280Ah configuration provides substantial energy storage for homes, offices, commercial facilities and other applications requiring extended backup power. 

The battery supports CAN and RS485 communication and is compatible with a range of inverter brands, including Luxpower, Deye, Victron, Growatt, GoodWe, SMA, Voltronic, Sofar, Sol-Ark, SRNE and MUST, subject to the correct communication protocol, firmware and system configuration. 

With a rated 90% depth of discharge (DoD) and a specified life of up to 8,000 cycles under the manufacturer's test conditions, the PGEM PRO is designed for repeated daily energy-storage applications. 

Key Features

14.3kWh rated energy capacity

51.2V nominal battery voltage

280Ah battery capacity

LFP/LiFePO₄ chemistry

0.5C continuous charge/discharge capability

140A maximum continuous charge current

140A maximum continuous discharge current

Intelligent Smart BMS

CAN and RS485 communication

Automatic battery addressing

Active cell balancing

Overcharge and over-discharge protection

Over-current and over-voltage protection

Temperature protection

Short-circuit protection

Reverse-connection protection

Low-SOC protection

Up to 32 units parallelable

Up to 8,000 cycles under specified test conditions

Remote firmware upgrade capability

Suitable for wall-mounted or grounded installation

CE, UN38.3 and IEC62619 certifications listed by the manufacturer. 

Technical Specifications

Specification PGEM PRO

Battery Type LFP / LiFePO₄

Rated Energy 14.3kWh

Nominal Voltage 51.2V

Capacity 280Ah

Recommended Charge Voltage 56.5V

Max. Continuous Charge Current 140A

Max. Continuous Discharge Current 140A

Peak Discharge Current Up to 160A / 200A depending on duration

Depth of Discharge 90%

Cycle Life Up to 8,000 cycles

Communication CAN / RS485

Parallel Expansion Up to 32 units

Protection BMS over/under-voltage, current, temperature, short circuit, reverse connection and low SOC

IP Rating IP20

Dimensions 475 × 900 × 238 mm

Weight Approximately 115kg

Operating Temperature -20°C to +55°C

Storage Temperature -10°C to +35°C

Humidity 5–85% RH, non-condensing

Warranty Manufacturer warranty terms apply

Certifications CE, UN38.3, IEC62619

Specifications are based on LuxpowerTek's published PGEM PRO documentation. 

Important warranty note

LuxpowerTek's published warranty documentation can distinguish between product/hardware warranty and performance warranty, so the exact warranty applicable to a particular unit should be confirmed from the current warranty terms, purchase documentation and local distributor. 

Usable Energy

At the manufacturer's stated 90% DoD, the nominal usable energy is approximately:

14.3kWh × 90% = 12.87kWh

Actual usable energy can vary with inverter settings, load, temperature, battery condition, discharge rate and BMS limits.

Compatible Inverter Applications

The PGEM PRO is designed for use with compatible low-voltage solar/hybrid inverter systems.

Manufacturer-listed compatible inverter brands include:

LuxpowerTek

Deye

Victron

Growatt

GoodWe

SMA

Voltronic

Sofar

Sol-Ark

SRNE

MUST

Compatibility should be confirmed for the specific inverter model, including CAN/RS485 protocol, communication cable, firmware and battery settings before installation. 

Recommended Applications

The 14.3kWh PGEM PRO can be used for:

Residential solar backup systems

Large home energy-storage systems

Offices and commercial buildings

Shops and business premises

Telecom and critical backup applications

Solar-powered facilities

Hybrid solar systems

Energy-cost reduction systems

Long-duration backup applications

Expandable battery-storage installations

Example System Applications

1. 10kW Solar System

A PGEM PRO can be paired with a compatible 8–10kW low-voltage hybrid inverter for a substantial residential or commercial backup system.

2. Multiple-Battery System

Two PGEM PRO batteries provide:

14.3kWh × 2 = 28.6kWh nominal storage

Three units provide:

14.3kWh × 3 = 42.9kWh nominal storage

Up to 32 units can be configured in parallel according to the manufacturer's specifications and appropriate system design. 

Professional system design is required when multiple batteries are connected.

Package Contents

Depending on the supplier/package configuration:

1 × LuxpowerTek PGEM PRO 14.3kWh battery

Battery communication accessories

Installation accessories

User/installation documentation

Note: Inverter, battery cables, breakers, distribution equipment and solar panels are normally purchased separately unless a complete solar package is specified.

Safety & Installation

This is a high-energy 51.2V lithium battery weighing approximately 115kg. Installation should be performed by a qualified solar/electrical technician.

Before installation:

Confirm inverter compatibility.

Confirm CAN/RS485 communication protocol.

Use correctly rated DC protection and cabling.

Follow manufacturer installation and grounding requirements.

Do not open, dismantle or repair the battery yourself.

Avoid exposure to water and excessive moisture.

Ensure adequate mechanical support because of the battery's weight.

Configure charge/discharge limits according to the manufacturer's specifications.

Frequently Asked Questions

1. How much energy does the PGEM PRO store?

The battery has a 14.3kWh nominal energy capacity.

2. What is the voltage of the battery?

It is a 51.2V nominal low-voltage lithium battery.

3. What is the battery capacity in Ah?

The PGEM PRO has a rated capacity of 280Ah.

4. What type of lithium battery is it?

It uses LFP (LiFePO₄) battery chemistry.

5. How many cycles can the battery provide?

LuxpowerTek specifies up to 8,000 cycles under its stated testing conditions. 

6. Can I use the PGEM PRO with a Deye inverter?

Yes, Deye is among the inverter brands listed by LuxpowerTek as compatible, but the specific Deye inverter model, firmware, communication protocol and battery settings must be confirmed before installation. 

7. Can I use it with a Growatt inverter?

Growatt is listed among the compatible inverter brands. Specific model compatibility and BMS communication settings should still be checked. 

8. Can I connect two or more PGEM PRO batteries?

Yes. The manufacturer specifies parallel expansion of up to 32 units, subject to the appropriate system configuration. 

9. Is the battery suitable for solar systems?

Yes. It is designed for low-voltage solar energy-storage and backup applications.

10. Does HonjekExpress provide installation?

HonjekExpress, operated by HONJEK TECHNICAL LIMITED, can provide professional solar-system design, supply and installation services, subject to project requirements and location.

Why Buy from HonjekExpress?

Honjek Express Marketplace – operated by HONJEK TECHNICAL LIMITED provides access to solar energy-storage equipment together with technical support for system selection and installation.

Customers can purchase the PGEM PRO battery as a standalone product or as part of a complete solar power system, depending on project requirements.

Available support includes:

Solar system sizing

Battery and inverter compatibility checks

Professional installation

System commissioning

Electrical protection and cabling

After-sales technical support

Technical source: LuxpowerTek's published PGEM PRO documentation specifies the 14.3kWh/51.2V/280Ah configuration, LFP chemistry, 140A continuous current, CAN/RS485 communication, 90% DoD, 8,000 cycles and 32-unit parallel capability. 