VTCBATT 51.2V 100Ah Powerwall LiFePO4 Battery | Vxl5100w Wall Mounted ESS Battery for Hybrid Inverter and Off-grid Systems
| Model | Vxl5100w |
|---|---|
| Battery Type | LiFePO4 battery |
| Nominal Voltage | 51.2V |
| Battery Capacity | 100Ah |
| Nominal Energy | 5.12kWh |
| Voltage Range | 40V-58.4V |
| Max Charge Current | 100A |
| Max Discharge Current | 100A |
| Dimension | 155 x 570 x 410mm |
| Weight | 48kg |
| Communication | RS485 / CAN, Modbus protocol |
| Installation | Wall-mounted |
| Cycle Life | ≥6000 cycles at 25°C |
| Certification | CE, UN38.3, IEC62619, MSDS |
Professional Wall Mounted LiFePO4 Battery Manufacturer - VTCBATT Residential ESS Solutions
With deep experience in custom lithium battery manufacturing, VTCBATT supplies wall mounted LiFePO4 batteries for residential solar storage, inverter backup and distributed energy projects. The Vxl5100w is a 51.2V 100Ah powerwall 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 wall mounted home energy storage, hybrid inverter backup and OEM ESS battery projects.
-Compact 5.12kWh Wall Mounted ESS Battery
The Vxl5100w uses a 16S1P LiFePO4 battery configuration with 51.2V nominal voltage, 100Ah capacity and 40V-58.4V working voltage range. Its wall-mounted enclosure saves floor space and supports clean residential or light commercial installation.
-Inverter Communication and System Integration
The battery supports RS485 / CAN communication and Modbus protocol for hybrid inverter and off-grid inverter 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.
Powerwall ESS Battery Model List
| Mode | Vxl2500w | Vxl5100w | Vxl7600w | Vxl10000w |
|---|---|---|---|---|
| Battery Type | LiFePO4 battery | LiFePO4 battery | LiFePO4 battery | LiFePO4 battery |
| Battery Combination | 16S1P | 16S1P | 16S1P | 16S1P |
| Case Numbers | 1 pc | 1 pc | 1 pc | 1 pc |
| Nominal Characteristic | ||||
| Nominal Voltage | 51.2V | 51.2V | 51.2V | 51.2V |
| Battery Capacity | 50Ah | 100Ah | 150Ah | 200Ah |
| Nominal Energy Capacity | 2.5kWh | 5.12kWh | 7.6kWh | 10kWh |
| Peak Output Current | 100A | 100A | 100A | 100A |
| Round Trip Efficiency | 96%–99% | 96%–99% | 96%–99% | 96%–99% |
| Electrical Specifications | ||||
| Voltage Range | 40V–58.4V | 40V–58.4V | 40V–58.4V | 40V–58.4V |
| Max. Charging Current | 100A | 100A | 100A | 100A |
| Max. Discharging Current | 100A | 100A | 100A | 100A |
| Mechanical Specifications | ||||
| Net Weight | 25kg | 48kg | 75kg | 100kg |
| Dimension | 158×370×410mm | 155×570×410mm | 155×860×485mm | 155×860×485mm |
| Color | White | White | White | White |
| Cooling | Nature | Nature | Nature | Nature |
| Operation Condition | ||||
| Working Temperature | -20°C to 55°C | -20°C to 55°C | -20°C to 55°C | -20°C to 55°C |
| Storage Temperature | -20°C to 45°C | -20°C to 45°C | -20°C to 45°C | -20°C to 45°C |
| Humidity | 5% to 95% RH (non-condensing) | 5% to 95% RH (non-condensing) | 5% to 95% RH (non-condensing) | 5% to 95% RH (non-condensing) |
| Compliances | ||||
| Certification | CE, UN38.3, IEC62619, MSDS | CE, UN38.3, IEC62619, MSDS | CE, UN38.3, IEC62619, MSDS | CE, UN38.3, IEC62619, MSDS |
| Warranty | ||||
| Period | 5 years | 5 years | 5 years | 5 years |
| Cycle Life | ||||
| @25°C | ≥6000 cycles | ≥6000 cycles | ≥6000 cycles | ≥6000 cycles |
| Compatible Inverter Type | ||||
| Type | Hybrid Inverter / Off-grid Inverter | Hybrid Inverter / Off-grid Inverter | Hybrid Inverter / Off-grid Inverter | Hybrid Inverter / Off-grid Inverter |
| Installation Type | ||||
| Installation Method | Wall-mounted | Wall-mounted | Wall-mounted | Wall-mounted |
| Communication Specifications | ||||
| Communication Port | RS485 / CAN | RS485 / CAN | RS485 / CAN | RS485 / CAN |
| Communication Protocol | Modbus | Modbus | Modbus | Modbus |
Powerwall 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 with up to 99% efficiency in the source feature description.

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

Compact battery size, no watering, no acid and no routine lead-acid maintenance required.

No gas emissions or spills, with an IP65-rated design for demanding working environments.
Powerwall ESS Lithium Battery Overview
The Wall-Mounted Energy Storage System (ESS) is a compact, space-saving solution for residential and commercial energy storage. Using LiFePO4 battery technology, it offers high safety, long service life and reliable daily performance.
Installed on the wall, the ESS stores excess solar energy for peak demand, outages or high electricity price periods. Its BMS monitors voltage, temperature and current, while CAN, RS485 and Wi-Fi communication help the system integrate with inverters and energy management platforms.
Smart Wall 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 powerwall battery systems in real energy storage applications.

A residential energy storage installation showing how a wall mounted LiFePO4 battery 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 wall mounted battery case demonstrating compact installation for garages, utility rooms and residential energy 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.
Yes, the Vxl5100w supports parallel connection, which allows users to expand energy storage capacity by adding multiple units together. For example, if one unit provides 5.12kWh, connecting four units in parallel gives you more than 20kWh of usable energy, enough to power a medium-sized home. This scalability is especially useful for solar storage projects where energy demand may grow over time. However, series connection is generally not recommended for Powerwall-type ESS batteries because they are already designed at a high operating voltage of 51.2V, suitable for 48V inverter systems. Connecting in series could create imbalanced voltage and reduce battery performance. Instead, the battery’s built-in Battery Management System (BMS) ensures safe and stable parallel operation, automatically balancing each module. This flexible connection option makes it an excellent choice for both residential homeowners and businesses that may need to gradually expand their energy storage capacity as electricity consumption increases.
The Vxl5100w uses high-quality LiFePO4 (Lithium Iron Phosphate) cells, known for their outstanding safety and durability. Compared with traditional lead-acid batteries, which typically last 500–1,000 cycles, the Vxl5100w offers over 6,000 cycles at 80% Depth of Discharge (DOD). That means you can discharge the battery daily for more than 15 years under normal residential usage before the capacity noticeably decreases. Even after thousands of cycles, the battery retains over 80% of its original capacity, providing reliable long-term performance. In practical terms, if you discharge the battery once per day, it will still operate effectively for a decade or longer. The cycle life may vary depending on the environment, charging habits, and load, but the use of LiFePO4 technology ensures maximum stability. Homeowners benefit from lower replacement costs and greater reliability compared with older battery chemistries. This long lifespan makes the Vxl5100w one of the most cost-effective energy storage solutions on the market today.
Yes, the Vxl5100w is fully compatible with solar PV systems, hybrid inverters, and off-grid inverters. Its 51.2V design fits perfectly with most 48V solar inverter systems, making it easy to integrate into new or existing setups. When paired with a solar power system, the battery stores excess solar energy generated during the day and releases it at night or during power outages. This process maximizes self-consumption of renewable energy, lowers grid electricity dependence, and reduces energy costs. The battery’s intelligent communication protocols (CAN/RS485) ensure seamless interaction with inverters from leading brands, providing real-time monitoring of charging, discharging, and battery health status. For homeowners seeking energy independence, the Vxl5100w offers a stable, eco-friendly, and reliable solution. Whether used in grid-tied or completely off-grid systems, it helps stabilize power supply, supports peak-shaving, and contributes to long-term sustainability by storing clean solar energy efficiently for daily use.
Safety is a key priority in the Vxl5100w design. The battery is equipped with an advanced Battery Management System (BMS) that continuously monitors and protects the cells. It provides multi-level protections, including overcharge protection, over-discharge protection, overcurrent protection, short-circuit protection, and high/low temperature protection. This ensures that the battery always operates within safe parameters, even under demanding conditions. The LiFePO4 chemistry itself is one of the safest lithium-ion types available, with excellent thermal stability and low risk of fire or explosion compared with other chemistries. Additionally, the battery’s robust casing offers enhanced durability and resistance to environmental impacts. Intelligent fault detection ensures that, in case of abnormal conditions, the battery automatically shuts down or limits power flow to prevent damage. With these built-in protections, homeowners can install and use the Vxl5100w confidently, knowing that it is designed for maximum reliability and user safety in both residential and commercial applications.
Yes, the Vxl5100w functions as a reliable backup power supply during grid outages. When combined with a compatible inverter, it automatically switches to battery mode to keep essential appliances running, such as lighting, Wi-Fi, refrigerators, and medical devices. This ensures that households are never left without power, even during unexpected blackouts or load-shedding events. With its 5.12kWh storage, a single unit can cover basic needs for several hours. For longer outages, multiple units can be installed in parallel to provide extended backup capacity. Unlike gasoline generators, the battery operates silently, produces no emissions, and requires very little maintenance. It also recharges quickly from solar panels or the grid once power is restored. For families and businesses that depend on a stable energy supply, the Vxl5100w offers peace of mind by guaranteeing uninterrupted electricity whenever the main power supply fails. This makes it an essential investment in areas with unstable grid infrastructure.
The Vxl5100w is designed with flexible installation options to suit different home and business needs. It can be mounted on the wall like a traditional Powerwall, which saves space and gives a clean, modern appearance. This is ideal for garages, utility rooms, and storage areas. Alternatively, it can also be floor-standing, which provides easy access for maintenance and is practical for users who prefer ground-level setups. The compact design makes it suitable for both residential and commercial use, without taking up excessive space. Installation is straightforward, and the battery includes built-in handles and mounting brackets for convenience. The system can be installed indoors or in a protected outdoor environment, provided that temperature and ventilation requirements are met. With its modular design, users can easily add more units in parallel as their energy demand grows. This flexibility ensures the Vxl5100w adapts to both current needs and future energy expansion plans.
Choosing VTCBATT as your energy storage partner brings multiple advantages that go beyond just the battery itself. First, VTCBATT has years of experience in lithium battery R&D and manufacturing, ensuring that every Powerwall ESS battery, including the Vxl5100w, is built to the highest quality standards. The company uses Grade A LiFePO4 cells, which provide superior safety, long cycle life, and stable performance compared with other chemistries. Each battery is equipped with an intelligent BMS, developed and tested in-house, to guarantee long-term reliability. Another advantage is compatibility and flexibility. VTCBATT batteries work seamlessly with most leading inverter brands worldwide, thanks to standard CAN/RS485 communication protocols. This makes integration into solar PV and backup systems simple and cost-effective. Customers also benefit from customized solutions, as VTCBATT offers OEM/ODM support for projects that require special voltage, capacity, or installation designs. From a service perspective, VTCBATT provides comprehensive technical support, fast delivery, and global after-sales assistance, making it easier for installers, distributors, and end users to deploy systems with confidence. With a strong focus on safety, innovation, and customer satisfaction, VTCBATT stands out as a trusted energy storage manufacturer capable of supporting residential, commercial, and industrial projects worldwide.
51.2V 100Ah Powerwall LiFePO4 Battery for Residential Energy Storage
The Vxl5100w is a wall mounted 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 | Vxl5100w |
| Battery Type | LiFePO4 battery |
| Battery Combination | 16S1P |
| Nominal Voltage | 51.2V |
| Battery Capacity | 100Ah |
| Nominal Energy Capacity | 5.12kWh |
| Voltage Range | 40V-58.4V |
| Max. Charging Current | 100A |
| Max. Discharging Current | 100A |
| Dimension | 155 x 570 x 410mm |
| Net Weight | 48kg |
| Communication Port | RS485 / CAN, Modbus protocol |
| Working Temperature | -20°C to 55°C |
| Cycle Life | ≥6000 cycles at 25°C |
| Certification | CE, UN38.3, IEC62619, MSDS |
Why Choose a Wall Mounted LiFePO4 Battery
A wall mounted battery helps save installation space and keeps the power system organized. LiFePO4 chemistry is widely selected for residential ESS because it supports long cycle life, stable voltage output and low maintenance operation. The Vxl5100w is suitable for projects that need a 51.2V battery with inverter communication and compact wall-mounted structure.
Inverter Matching and Communication
The battery supports RS485 / CAN communication and Modbus protocol. Before batch deployment, the inverter model, voltage range, current limit and communication setting should be confirmed. VTCBATT can support communication matching and project review for hybrid inverter and off-grid inverter systems.
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.
Compatible with the Mainstream Inverters
The Vxl5100w powerwall battery is designed for 48V-class energy storage systems and can be matched with compatible hybrid inverter and off-grid inverter platforms. RS485 / CAN communication and Modbus protocol support help 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 Vxl5100 battery performance profile during system evaluation. It can support project discussions around charging behavior, discharge performance and inverter-side energy storage settings.








