Voltpro Energy 51.2V 314Ah LiFePO4 Lithium Battery

Product Description

The Voltpro Energy 51.2V 314Ah LiFePO4 Battery is a high-capacity lithium energy storage solution designed for solar systems, hybrid inverters, home backup, 1-ton inverter AC, commercial applications, UPS systems and off-grid power installations.

Built with EVE A-Grade LiFePO4 cells with a specified cycle life of 8000+ cycles under suitable operating conditions, this battery provides approximately 16.08kWh of nominal energy storage.

The battery is equipped with the TDT-1001 Smart Inverter BMS, featuring 3A Active Balancing, up to 300A continuous current and up to 600A peak discharge current. The BMS supports WiFi, Bluetooth, CAN, RS485, UART and RS232 communication, making it suitable for compatible smart inverter applications.

A TDT 7-inch Touchscreen Display is also included for convenient local monitoring of battery voltage, current, SOC, cell voltages, temperatures, balancing status and protection information.

With WiFi connectivity, users can also monitor important battery parameters remotely through the supported TDT monitoring system, allowing battery status to be checked without being physically near the battery.

Product Overview

The Voltpro Energy 51.2V 314Ah battery is designed for customers looking for a combination of high energy capacity, long cycle life, intelligent BMS technology, inverter communication and convenient battery monitoring.

The battery uses EVE A-Grade 314Ah LiFePO4 cells configured as a 16S battery pack, providing a nominal voltage of 51.2V and approximately 16.08kWh of nominal energy.

The integrated TDT-1001 Smart Inverter BMS provides advanced battery management, active cell balancing, high-current protection and multiple communication interfaces.

This makes the battery suitable for both residential and commercial energy-storage applications where reliable battery management and intelligent inverter integration are important.

Key Features

51.2V / 314Ah LiFePO4 Battery

Approximately 16.08kWh Nominal Energy

EVE A-Grade LiFePO4 Cells

8000+ Cycle Life*

TDT-1001 Smart Inverter BMS

3A Active Cell Balancing

Up to 300A Continuous Current

Up to 600A Peak Discharge Current

WiFi Remote Monitoring

Bluetooth Connectivity

CAN Communication

RS485 Communication

UART Communication

RS232 Communication

TDT 7-Inch Touchscreen Display

Individual Cell Voltage Monitoring

Battery SOC Monitoring

Battery Current & Power Monitoring

Battery Temperature Monitoring

MOS/BMS Temperature Monitoring

Cell Voltage Difference Monitoring

Active Balancing Status

Charging & Discharging Status

Protection & Alarm Monitoring

Up to 20 Battery Packs in Parallel

Suitable for Solar Systems

Suitable for Hybrid Inverters

Suitable for 1 Ton Inverter AC

Suitable for Home Backup

Suitable for Commercial Energy Storage

Suitable for UPS Systems

Suitable for Off-Grid Applications

*Actual cycle life depends on charging voltage, depth of discharge, temperature, current and operating conditions.

Technical Specifications

Specification Details

Product Type LiFePO4 Lithium Battery

Nominal Voltage 51.2V

Battery Capacity 314Ah

Nominal Energy Approx. 16.08kWh

Battery Chemistry LiFePO4

Cell Brand EVE

Cell Grade A Grade

Cell Capacity 314Ah

Cycle Life 8000+ Cycles*

Battery Configuration 16S LiFePO4

BMS Brand TDT

BMS Model TDT-1001

BMS Type Smart Inverter BMS

Balance Method Active Balancing

Active Balancing Current 3A

Continuous Current Up to 300A

Peak Discharge Up to 600A

Battery String Support 7S–16S

Parallel Connection Up to 20 Packs

WiFi Supported

Bluetooth Supported

CAN Supported

RS485 Supported

UART Supported

RS232 Supported

Display TDT 7-Inch Touchscreen

Application Solar, Inverter, UPS, Backup & Off-Grid

Energy calculation: 51.2V × 314Ah = 16,076.8Wh ≈ 16.08kWh

EVE A-Grade 314Ah LiFePO4 Cells

At the heart of the Voltpro Energy battery are EVE A-Grade 314Ah LiFePO4 cells.

LiFePO4 chemistry is widely used for energy-storage applications because of its combination of long cycle life, thermal stability and suitability for repeated charge/discharge operation.

Advantages

EVE A-Grade Cells

314Ah High Capacity

8000+ Cycle Life*

Stable LiFePO4 Chemistry

Excellent Thermal Stability

High Energy Storage Capacity

Suitable for Deep-Cycle Applications

Suitable for Solar Energy Storage

Suitable for Home Backup

Suitable for Commercial Energy Storage

Designed for Long-Term Repeated Cycling

The 314Ah capacity combined with the 16S configuration provides approximately 16.08kWh of nominal stored energy.

TDT-1001 Smart Inverter BMS

The battery uses the TDT-1001 Smart Inverter BMS, designed for high-performance lithium battery systems and inverter-integrated energy-storage applications.

The BMS supports 7S–16S battery configurations and provides advanced monitoring, protection, communication and active cell balancing.

TDT-1001 BMS Specifications

Model: TDT-1001

Type: Smart Inverter BMS

Battery Type Support: LiFePO4 / Li-ion / LTO

Series Support: 7S–16S

Active Balancing: 3A

Continuous Current: Up to 300A

Peak Discharge: Up to 600A

Parallel Support: Up to 20 Packs

WiFi: Yes

Bluetooth: Yes

CAN: Yes

RS485: Yes

UART: Yes

RS232: Yes

3A Active Cell Balancing

The TDT-1001 provides 3A Active Cell Balancing.

Unlike simple passive balancing, active balancing transfers energy between cells to help maintain better voltage consistency.

This is especially useful in a high-capacity 314Ah battery, where maintaining cell balance can contribute to stable battery operation and better utilization of the available capacity.

Benefits of Active Balancing

Helps maintain cell voltage consistency

Helps reduce cell voltage differences

Supports better cell matching

Improves overall battery balance

Useful for high-capacity battery packs

Helps maintain stable battery performance

Supports long-term battery operation

TDT 7-Inch Touchscreen Display

The battery is equipped with a TDT 7-inch Touchscreen Display, providing a large and convenient interface for local battery monitoring.

The touchscreen allows users to view important battery information directly from the battery without relying entirely on a mobile phone.

Information That Can Be Viewed

Depending on the BMS configuration, the touchscreen can display:

Total Battery Voltage

Battery Current

Battery Power

SOC %

Remaining Capacity

Individual Cell Voltages

Cell Voltage Difference

Balance Current

Active Balancing Status

Battery Temperature

BMS/MOS Temperature

Charging Status

Discharging Status

Cycle Information

Protection Status

Battery Alarms

The large 7-inch display is particularly convenient for solar installations, homes, offices, commercial systems and battery rooms.

WiFi Remote Battery Monitoring

One of the important features of the TDT-1001 Smart Inverter BMS is its WiFi connectivity.

When the BMS is correctly connected and configured with a suitable network and supported monitoring application, users can check important battery information remotely without being physically near the battery.

For example, the battery can be installed at home, in a solar room, office or commercial location while the user checks its status remotely through the supported monitoring system.

What Can Be Monitored Remotely?

Depending on the TDT application, firmware and BMS configuration, users may be able to view:

Battery SOC (%)

Total Battery Voltage

Charging Current

Discharging Current

Battery Power

Individual Cell Voltages

Cell Voltage Difference

Battery Temperature

BMS/MOS Temperature

Charging Status

Discharging Status

Active Balancing Status

Balance Current

Cycle Information

Protection Status

Battery Alarms

Remote Monitoring Benefit

You don't have to physically visit the battery just to check its condition.

For example, if the battery is installed in a solar room, you can use the supported WiFi monitoring system to check its SOC, voltage, current, temperature and battery status remotely, subject to network availability and TDT app/BMS configuration.

Important: WiFi monitoring requires proper BMS configuration, network/internet connectivity and the supported TDT monitoring application. Available remote parameters may vary according to BMS firmware and configuration.

TDT Inverter Communication

The TDT-1001 is a Smart Inverter BMS with multiple communication interfaces.

Communication Interfaces

WiFi

Bluetooth

CAN

RS485

UART

RS232

The BMS can provide battery information to compatible inverter systems.

Depending on the supported protocol and inverter configuration, communication may include:

Battery Voltage

Battery Current

SOC

Charging Status

Discharging Status

Battery Temperature

Cell Voltage

Protection Status

Battery Alarms

Important Communication Note

Inverter communication is not automatically guaranteed with every inverter brand or model.

The inverter must support the appropriate communication protocol and interface, and the correct communication cable, protocol selection and BMS/inverter settings must be used.

51.2V 314Ah Battery Energy Capacity

The battery's nominal energy is calculated as:

51.2V × 314Ah = 16,076.8Wh

Total Nominal Energy: Approximately 16.08kWh

This is a substantial energy-storage capacity suitable for residential, commercial and solar applications.

Actual usable energy depends on:

Depth of Discharge

BMS settings

Inverter efficiency

Battery temperature

Load characteristics

Charging/discharging current

System losses

Operating conditions

Backup Time Examples

The following calculations are approximate and are based on the battery's 16.08kWh nominal energy.

Load Theoretical Backup Approx. at 90% System Efficiency

500W ~32.2 Hours ~29.0 Hours

750W ~21.4 Hours ~19.3 Hours

1000W ~16.1 Hours ~14.5 Hours

1500W ~10.7 Hours ~9.6 Hours

2000W ~8.0 Hours ~7.2 Hours

2500W ~6.4 Hours ~5.8 Hours

3000W ~5.36 Hours ~4.82 Hours

4000W ~4.02 Hours ~3.62 Hours

5000W ~3.22 Hours ~2.90 Hours

6000W ~2.68 Hours ~2.41 Hours

8000W ~2.01 Hours ~1.81 Hours

10000W ~1.61 Hours ~1.45 Hours

Note: Actual backup time will vary depending on usable battery capacity, inverter efficiency, power factor, battery temperature, BMS settings and actual load.

1 Ton Inverter AC Backup

The 51.2V 314Ah / 16.08kWh battery can be used with a properly sized inverter to operate a 1 Ton Inverter AC.

However, an inverter AC does not continuously consume one fixed wattage. Its power consumption changes according to:

Room temperature

Set temperature

Outdoor temperature

AC efficiency

Compressor speed

Room insulation

Number of people in the room

Door/window opening

Cooling requirement

For practical estimation, a 1 Ton inverter AC may average roughly 700W–1,000W under favorable operating conditions, while consumption can be higher during heavy cooling.

Estimated AC Backup

Approx. AC Consumption Theoretical Backup Approx. at 90% Efficiency

700W ~23.0 Hours ~20.7 Hours

800W ~20.1 Hours ~18.1 Hours

900W ~17.9 Hours ~16.1 Hours

1000W ~16.1 Hours ~14.5 Hours

1200W ~13.4 Hours ~12.1 Hours

1500W ~10.7 Hours ~9.6 Hours

Practical Example

If your 1 Ton Inverter AC averages around 900W, the battery's theoretical runtime is:

16.08kWh ÷ 0.9kW ≈ 17.9 hours

After allowing approximately 10% for inverter/system losses:

≈ 16 hours

So, under suitable conditions, a 1 Ton inverter AC averaging around 900W could theoretically operate for approximately 16 hours from this battery alone.

However, actual runtime can be significantly different because the AC compressor continuously changes its power consumption.

AC + Other Home Loads

If the AC averages 900W and other appliances consume another 300W, total load becomes approximately 1,200W.

At 1,200W:

16.08kWh ÷ 1.2kW ≈ 13.4 hours theoretical

At approximately 90% system efficiency:

≈ 12.1 hours

This means the battery can potentially support a 1 Ton inverter AC along with selected household loads, provided the inverter is correctly sized.

What Can a 51.2V 314Ah Battery Run?

With a correctly sized inverter, this battery can provide substantial backup for household and commercial loads.

Common Household Loads

LED Lights

Ceiling Fans

LED TV

WiFi Router

CCTV System

Computers

Laptops

Refrigerator

Deep Freezer

Networking Equipment

LED Lighting Systems

1 Ton Inverter AC

Water Pumps*

Other compatible appliances

Example Home Backup

A typical combination could include:

1 Ton Inverter AC + LED Lights + Ceiling Fans + WiFi Router + CCTV + LED TV + Refrigerator

The actual backup duration will depend on the combined power consumption of all appliances.

For heavier loads such as ACs, refrigerators, freezers and water pumps, the inverter must be selected according to both continuous load and startup/surge requirements.

Suitable Applications

☀️ Solar Energy Storage

Store solar energy during the day and use it during nighttime or periods of low solar generation.

🏠 Home Backup

The approximately 16.08kWh capacity provides substantial backup energy for essential household appliances.

❄️ 1 Ton Inverter AC Backup

Suitable for running a compatible 1 Ton inverter AC when paired with an appropriately sized inverter.

⚡ Hybrid Inverter Systems

The TDT Smart Inverter BMS provides multiple communication interfaces for compatible inverter systems.

🏢 Commercial Energy Storage

The high 314Ah capacity and high-current BMS make this battery suitable for commercial backup requirements.

🌐 Off-Grid Systems

Suitable for off-grid installations requiring substantial lithium energy storage.

🔋 UPS Systems

Can be used with compatible 51.2V LiFePO4 UPS and inverter systems.

Parallel Battery Expansion

According to the provided TDT-1001 specifications, the BMS supports up to 20 battery packs in parallel, subject to correct system configuration.

Examples:

Number of Batteries Approx. Total Energy

1 × 51.2V 314Ah ~16.08kWh

2 × 51.2V 314Ah ~32.15kWh

5 × 51.2V 314Ah ~80.38kWh

10 × 51.2V 314Ah ~160.77kWh

20 × 51.2V 314Ah ~321.54kWh

Parallel installations should use properly matched batteries and follow the BMS manufacturer's requirements for communication, protection, cabling and configuration.

Recommended Charging & Installation

For best performance, use a 51.2V LiFePO4-compatible charger or inverter/charger with appropriate charging parameters.

For high-current applications, installation should include:

Correctly sized DC cables

Appropriate DC fuse/breaker

Proper high-current terminals

Correctly sized inverter

Suitable battery protection

Proper ventilation

Correct BMS configuration

Correct inverter communication settings

Properly matched parallel batteries where applicable

Professional installation is recommended for high-power and inverter-integrated systems.