VTCBATT 51.2V 100Ah Rackmount LiFePO4 Battery | Vxl5100 ESS Battery for Hybrid Inverter and Off-grid Systems
| Model | Vxl5100 |
|---|---|
| Battery Type | LiFePO4 |
| Nominal Voltage | 51.2V |
| Battery Capacity | 100Ah |
| Nominal Energy | 5.12KWh |
| Voltage Range | 40~58.4V |
| Max Charge Current | 100A |
| Max Discharge Current | 100A |
| Dimension | 430 x 442 x 136mm |
| Weight | 48Kg |
| Communication | RS232/RS485/CAN |
| Installation | Rack-mounted |
| Cycle Life | 6000+ times(80% DOD) |
| Certification | CE/EN62619/UN38.3/ROHS |
Professional Rackmount LiFePO4 Battery Manufacturer - VTCBATT Residential ESS Solutions
With deep experience in custom lithium battery manufacturing, VTCBATT supplies rackmount LiFePO4 batteries for residential solar storage, inverter backup and distributed energy projects. The Vxl5100 is a 51.2V 100Ah rackmount ESS battery with 5.12KWh nominal energy, designed for stable 48V-class energy storage systems where safety, long cycle life and inverter communication are required. It is also suitable for buyers comparing a 48v lifepo4 battery solution for rack mounted energy storage, hybrid inverter backup and OEM ESS battery projects.
-Compact 5.12KWh Rackmount ESS Battery
The Vxl5100 uses a 16S1P LiFePO4 battery configuration with 51.2V nominal voltage, 100Ah capacity and 40V-58.4V working voltage range. Its rack-mounted enclosure supports clean cabinet installation for residential and light commercial ESS systems.
-Inverter Communication and System Integration
The battery supports RS232/RS485/CAN communication for inverter and energy storage integration projects. VTCBATT can help customers confirm inverter matching, communication settings, label requirements and project packaging before batch supply.
-OEM/ODM Battery Supply for ESS Brands
For solar installers, battery distributors and energy storage brands, VTCBATT can provide factory-direct supply with enclosure color, logo label, communication matching, packaging and documentation support according to the target market.
Rackmount ESS Battery Model List
| Mode | Vxl2500 | Vxl5100 | Vxl10000 |
|---|---|---|---|
| Battery Type | LiFePO4 | LiFePO4 | LiFePO4 |
| Battery Combination | 16S1P | 16S1P | 16S1P |
| Case Numbers | 1 pc | 1 pc | 1 pc |
| Nominal Characteristic | |||
| Nominal Voltage | 51.2V | 51.2V | 51.2V |
| Battery Capacity | 50Ah | 100Ah | 200Ah |
| Nominal Energy Capacity | 2.5KWh | 5.12KWh | 10KWh |
| Peak Output Current | 100A | 100A | 100A |
| Round Trip Efficiency | 80% DOD | 80% DOD | 80% DOD |
| Electrical Specifications | |||
| Voltage Range | 40~58.4V | 40~58.4V | 40~58.4V |
| Max. Charging Current | 100A | 100A | 100A |
| Max. Discharging Current | 100A | 100A | 100A |
| Mechanical Specifications | |||
| Net Weight | 25Kg | 48Kg | 95Kg |
| Dimension | 430×442×136mm | 430×442×136mm | 442×520×320mm |
| Color | Black/White/Customizable | Black/White/Customizable | Black/White/Customizable |
| Cooling | Advanced Internal design & Natural Convention | Advanced Internal design & Natural Convention | Advanced Internal design & Natural Convention |
| Communication Specifications | |||
| Communication Port | RS232/RS485/CAN | RS232/RS485/CAN | RS232/RS485/CAN |
| Operation Condition | |||
| Operation Temperature | -20℃—60℃ | -20℃—60℃ | -20℃—60℃ |
| Recommended Temperature | 0℃—35℃ | 0℃—35℃ | 0℃—35℃ |
| Operation Humidity | 60%±25% | 60%±25% | 60%±25% |
| Designed Life | > 10 years | > 10 years | > 10 years |
| Storage Conditions | 10℃—50℃ | 10℃—50℃ | 10℃—50℃ |
| Compliances | |||
| Certification | CE/EN62619/UN38.3/ROHS | CE/EN62619/UN38.3/ROHS | CE/EN62619/UN38.3/ROHS |
| Standards | EN61000-6-1:2007 EN61000-6-3:2007+A1:2011 | EN61000-6-1:2007 EN61000-6-3:2007+A1:2011 | EN61000-6-1:2007 EN61000-6-3:2007+A1:2011 |
| Cycle life | |||
| 0.2C at 25℃ | 6000+ times(80% DOD) | 6000+ times(80% DOD) | 6000+ times(80% DOD) |
| 0.5C at 25℃ | 4000+ times(80% DOD) | 4000+ times(80% DOD) | 4000+ times(80% DOD) |
| 1.0C at 25℃ | 2500+ times(80% DOD) | 2500+ times(80% DOD) | 2500+ times(80% DOD) |
| Inverter Type | |||
| Match with all the mainstream inverter brands | |||
Rackmount LiFePO4 Battery Advantages
Eight practical benefits for residential solar storage, inverter backup and OEM ESS integration projects.

Stable, non-flammable lithium iron phosphate chemistry supports safer operation in industrial and energy storage environments.

Designed to integrate with compatible hybrid and off-grid inverter systems for reliable solar energy storage projects.

Supports remote OTA upgrades, WiFi and Bluetooth functions, and app-based remote monitoring for easier system management.

Accurate state-of-charge data can be shown after the first full battery charge, helping users monitor available battery energy.

Delivers 6,000+ cycles and supports 0.2C charging in the source feature description.

Built-in BMS supports real-time monitoring and multi-level protection for stable charge, discharge and storage operation.

Rackmount battery modules simplify cabinet installation and reduce routine lead-acid maintenance work.

No gas emissions or spills, with clean LiFePO4 battery operation for demanding ESS environments.
Rack Mount ESS Lithium Battery Overview
This Rack Mount ESS battery utilizes high-performance LiFePO4 cells combined with an advanced smart BMS that provides comprehensive protections including voltage, current, temperature, and short circuit safeguards to ensure safe and stable operation. Its modular design supports standard rack installation, enabling easy integration into various energy storage systems and data center applications.
Equipped with remote monitoring and management capabilities via a dedicated mobile app, users can access real-time battery status and health data, enabling early fault detection and remote diagnostics to improve maintenance efficiency and minimize downtime. With high energy density and excellent cycle life, this battery pack delivers reliable long-term power for residential, commercial, and industrial energy storage needs.
Smart Rack Mount ESS Battery Monitor App
Real-time monitoring of battery voltage, current, and temperature. Enables remote diagnostics and alerts to ensure safe, stable operation and improve maintenance efficiency.
- Real-time battery voltage, current, and temperature monitoring
- Remote fault diagnosis and alert notifications
- Historical data logging and trend analysis
- Multi-device and multi-user management
- Supports CAN, RS485, and Modbus communication protocols
- Intelligent battery status evaluation and lifespan prediction
- User role management and security
- Remote firmware updates and maintenance support
Much better than lead-acid batteries!
Experience longer driving range, quicker recharges, and lightweight power with zero maintenance—engineered for superior performance and reliability in every ride.
- Longer lifespan, reducing replacement frequency
- Faster charging times for less downtime
- Lightweight design improves vehicle efficiency
- Maintenance-free, no need for watering or equalizing
- Higher energy density for extended driving range
- More environmentally friendly and safer chemistry
- Consistent performance in a wide temperature range
Powered by Trust, Proven by Action
From installation sites to global shows, these ESS project cases reflect VTCBATT rackmount battery systems in real energy storage applications.

A residential energy storage installation showing how rackmount LiFePO4 batteries can support solar power storage and backup energy needs.

A home solar storage project using ESS batteries to store daytime PV power and supply household loads when needed.

A rackmount battery case demonstrating modular installation for residential and light commercial energy storage systems.

An inverter-connected ESS project showing battery integration with solar energy conversion and backup power equipment.

A field deployment case showing practical ESS installation conditions and project-ready battery system use.

An energy storage showcase from VTCBATT project activity, reflecting real ESS use in residential and commercial scenarios.

A solar storage customer site using battery capacity to improve self-consumption and reduce dependence on grid electricity.

A home energy backup installation showing practical system deployment for residential solar and inverter projects.
The Vxl5100 battery pack features a nominal capacity of 100Ah and operates at a nominal voltage of 51.2V, which means it stores approximately 5.12 kWh of energy. This combination provides a robust energy reserve suitable for a wide range of applications, delivering reliable and consistent power output for your energy storage needs.
Yes, Vxl5100 battery packs can be connected in parallel to increase total capacity and stored energy. You can combine up to 16 Vxl5100 packs in parallel, allowing you to build medium to large-scale energy storage systems tailored to your specific power and runtime needs. This modular design offers great flexibility, letting you scale your battery bank as your energy requirements grow, while maintaining safe, balanced, and efficient operation through the integrated Battery Management Systems (BMS) in each pack.
The Vxl5100 battery pack can deliver a peak power output of approximately 5.12 kW. This is based on its maximum continuous current of 100A at a nominal voltage of 51.2V (Power = Voltage × Current). This high instantaneous power allows the pack to handle demanding loads and provides strong, reliable performance for a wide range of applications, including energy storage and backup power systems.
The Vxl5100 battery pack is designed for long-term reliability, sustaining more than 6000 charge-discharge cycles when operated at an 80% Depth of Discharge (DoD) and a 0.2C discharge rate. This means you can expect many years of dependable service even with frequent cycling, making it an excellent choice for demanding energy storage applications that require consistent performance over time.
The Vxl5100 battery pack has compact dimensions of 430 × 442 × 136 mm (L × W × H) and weighs approximately 48 kg (about 106 lbs). This size and weight make it well-suited for installations where space is limited but robust energy capacity is needed. Its relatively slim profile allows for flexible placement in racks or cabinets, while the weight remains manageable for standard handling and setup procedures.
To keep your Vxl5100 battery pack performing at its best and lasting as long as possible, follow these maintenance tips: Maintain Proper Temperature: Operate and store the battery within the recommended temperature range (ideally 0°C to 35°C) to prevent stress on the cells. Avoid Over-Discharge and Overcharge: Use a compatible charger and monitor battery levels to prevent deep discharges or excessive charging, which can shorten battery life. Ensure Good Ventilation: Install the battery in a well-ventilated area to help dissipate heat during operation and charging. Regularly Check BMS Data: Use the battery’s built-in Battery Management System to monitor voltage, current, temperature, and overall health, ensuring early detection of any issues. Keep Terminals Clean: Periodically inspect and clean battery terminals to maintain good electrical connections. Store Properly: If storing for extended periods, keep the battery partially charged (around 50–70%) and check charge levels every few months. Following these simple steps will help you maximize reliability, safety, and service life of your Vxl5100 battery pack.
The Vxl5100 battery pack is versatile and well-suited for a variety of applications. It’s ideal for residential energy storage, helping homeowners store solar power for use during evenings or outages. Small commercial setups can rely on it for backup power to keep essential equipment running smoothly. It also fits perfectly into renewable energy systems, balancing intermittent generation with steady supply. Thanks to its moderate capacity and compact size, the Vxl5100 is a great choice whenever you need reliable, scalable energy storage without taking up too much space. Whether for off-grid cabins, small businesses, or emergency backup, it delivers consistent performance and long-lasting value.
51.2V 100Ah Rackmount LiFePO4 Battery for Energy Storage
The Vxl5100 is a rackmount 51.2V 100Ah LiFePO4 battery designed for residential solar storage, hybrid inverter backup and off-grid energy storage projects. With 5.12KWh nominal energy, 40V-58.4V voltage range and 100A charge-discharge capability, it provides a compact 48V-class ESS platform for homes, installers and energy storage brands.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Vxl5100 |
| Battery Type | LiFePO4 |
| Battery Combination | 16S1P |
| Nominal Voltage | 51.2V |
| Battery Capacity | 100Ah |
| Nominal Energy Capacity | 5.12KWh |
| Voltage Range | 40~58.4V |
| Max. Charging Current | 100A |
| Max. Discharging Current | 100A |
| Dimension | 430×442×136mm |
| Net Weight | 48Kg |
| Communication Port | RS232/RS485/CAN |
| Cycle Life | 6000+ times(80% DOD) |
| Certification | CE/EN62619/UN38.3/ROHS |
Compatible with the Mainstream Inverters
The Vxl5100 rackmount battery is designed for 48V-class energy storage systems and can be matched with compatible hybrid inverter and off-grid inverter platforms. RS232/RS485/CAN communication support helps installers connect the battery with mainstream inverter systems after confirming communication settings, voltage range and current limits.

VTCBATT ESS instruction: Tested, Proven, Trusted
VTCBATT provides ESS demonstration and instruction videos to help customers understand home application, product features, app monitoring and inverter communication. These videos are useful for installers, distributors and project teams reviewing battery use cases before sample testing or batch deployment.
- Rack-Mounted ESS Home Application Demo
- VTCBATT Rack-Mounted ESS Feature and Application Instruction
- VTCBATT Bluetooth, WIFI and EMS App to monitor all the battery status
- 5KWh Rackmount ESS battery communicates with Growatt inverter
Discharge & Charge Curve
The discharge and charge curve image helps buyers and engineers review the battery performance profile during system evaluation. It can support project discussions around charging behavior, discharge performance and inverter-side energy storage settings.

OEM/ODM and Wholesale Supply
VTCBATT supplies custom lithium battery packs and LiFePO4 ESS batteries for distributors, solar installers, energy storage brands and equipment manufacturers. OEM/ODM options can include enclosure color, logo label, communication matching, packaging design and batch production support.








