- UEI: ZZVQCUPCGL3 CAGE: 9UK94
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Smart Energy Storage for Off-Grid and Backup Power
This 5.12kWh energy storage system provides clean, reliable power for solar, backup, and off-grid use. It runs on 48V and offers 100Ah capacity. The stacked design makes it easy to install. You can also add more units to increase storage. This system is ideal for solar storage, telecom backup, or off-grid cabins.
The battery uses Lithium Iron Phosphate (LiFePO₄). This chemistry is known for safety, thermal stability, and long life. You can expect over 6,000 charge cycles at 80% depth of discharge. It includes a 100A Smart BMS that communicates through RS485, RS232, or CANBus to help you monitor your system in real time.
Key Features of This Energy Storage System
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Energy Storage: 5.12kWh
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Voltage: 48V (Nominal 51.2V)
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Capacity: 100Ah
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Chemistry: LiFePO₄
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Smart BMS: 100A with RS485, RS232, CANBus
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Design: Modular and stackable
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Lifespan: Over 6,000 cycles at 80% depth of discharge
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Certifications: CE, UN38.3, MSDS
Best Energy Storage Applications
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Power off-grid solar homes and cabins
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Provide backup for telecom and remote sites
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Support small businesses during outages
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Add battery power to EV charging stations
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Build storage for microgrids or hybrid systems
In Stock and Ready to Ship
This battery ships quickly and supports custom builds. Ask us about OEM pricing, solar kits, or matching inverters.
Looking for more options? Browse our full product line
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Inverter Products Specification
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Rated Power
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5000W
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INPUT
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Voltage
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230VAC
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Selectable Voltage Range
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170-280VAC (For personal computers);
90-280VAC (For home appliances) |
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Frequency Range
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50Hz/60Hz (Auto sensing)
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OUTPUT
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AC Voltage Regulation(Battery. Mode)
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230VAC±5%
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Surge Power
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11000VA
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Efficiency(Peak)
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Up to 93.5%
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Transfer Time
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10ms (For personal computers);
20ms (For home appliances)
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Waveform
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Pure sine wave
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BATTERY
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Battery Voltage
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48VDC
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Floating Charge Voltage
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54VDC
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Overcharge Protection
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63VDC
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Solar Charger &AC charger
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Maximum PV Array Open Circuit Voltage
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500VDC
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Maximum PV Array Power
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5500W
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MPPT Range @Operating Voltage
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120-450VDC
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Maximum Solar Charger Current
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80A
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Maximum AC Charger Current
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60A
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Maximum Charger Current
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80A
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ENVIRONMENT
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Humidity
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5% to 95% Relative Humidity(Non-condensing)
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Operating Temperature
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-10ºCto 50ºC
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Storage Temperature
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-15ºC to 60ºC
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Battery Products Specification
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Single module capacity
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5.12KWH
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Module number
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1PCS
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2PCS
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3PCS
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4PCS
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5PCS
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Total capacity
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5.12KWH
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10.24KWH
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15.36KWH
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20.48KWH
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25.6KWH
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Standard voltage
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51.2V
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Working voltage
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43.2V-57.6V
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Standard discharge current
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100A
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200A
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300A
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400A
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500A
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Standard charge current
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50A
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100A
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150A
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200A
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250A
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Suggested DOD
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80%
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Humidity
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20%-60%
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Installation
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Stacked
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IP rating
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IP20
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Communication
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CAN/RS485/RS232 (Wi-Fi / Bluetooth /4G optional)
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Product size/unit
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620*550*480mm
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620*550*760mm
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620*550*1040mm
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620*550*1320mm
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620*550*1600mm
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N.W./unit
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50kg
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80kg
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120kg
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150kg
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190kg
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How long does this battery last?
It lasts over 10 years with normal use, based on 6,000+ cycles at 80% depth of discharge.
How long does this battery last?
Yes. LiFePO₄ batteries stay cool, resist overheating, and include strong built-in protections.
Can I use this with solar panels?
Yes. It pairs well with off-grid and hybrid solar systems.
Can I expand the system later?
Absolutely. The stacked design lets you add more batteries when needed.
Related products
- Wide input voltage range
- Compatible with lead-acid batteries, lithium-ion batteries and others
- Light weight, smart operation
- Natural cooling, low noise
- IP65 protection level
- Space saving due to wall-mounted design
- LCD touch screen display
- Built-in anti-backflow function
- Battery reverse polarity protection
- Smart home energy management system
- Power dispatching and demand-side response management
- Distributed virtual power station management
This rack-mount energy storage system delivers 2.46kWh to 5.12kWh per unit using safe LiFePO₄ cells. Scalable up to 81kWh and compatible with most hybrid inverters, it’s ideal for solar power storage, off-grid homes, and reliable backup energy.
Off-Grid LiFePO₄ Rack-Mount Battery
| Specification | Value |
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| Nominal Voltage | 51.2V |
| Capacity | 100Ah |
| Energy Storage | 5.12 kWh |
| Chemistry | LiFePO₄ (Lithium Iron Phosphate) |
| Smart BMS | 100A with RS485/RS232/Canbus |
| Cycle Life | >6,000 cycles @ 80% DoD |
| Mounting | Rack-mount (standard size) |
| Certification | CE, UN38.3, MSDS (Check availability per batch) |
| Operating Temp | -20°C to 60°C |
- High-Capacity Storage – Available in 5kWh, 10kWh, 15kWh, and 20kWh configurations to suit various energy demands.
- Advanced MPPT Technology – Enhances solar charging efficiency, optimizing power input from photovoltaic sources.
- Long Cycle Life – Designed for 6000+ charge cycles, ensuring durability and cost-effectiveness.
- Pure Sine Wave Inverter – Provides stable and clean power output, ideal for sensitive electronics.
- Smart Battery Management System (BMS) – Intelligent control for safe operation, preventing overcharging and overheating.
The cabinet series adopts high-quality lithium iron phosphate batteries, equipped with an intelligent BMS battery management system, long cycle life, high safety performance, beautiful appearance, free combination, and convenient installation. LCD display, visualization of battery operating data.
* Long cycle life LiFePO4 battery cell with excellent product design, ensure 10 years use life * Vertical industry integration ensures more than 6000 cycles with 90% DoD * Compatible with most of the available Hybrid inverters *Simple buckle fixing minimize the installation time and cost * Compact and fashionable design fits in your sweet home environment * Modular design gives the end customers the power of choice of capacity * Integrated BMS and multiple safety protection design, guaranty customer using safe- Integrated BMS and multiple safety protection designs, guaranty customers use safe
- Flexible installation: Wall mounted/ Floor mounted/ Stack/ Rack mounted. Optional bracket kits for different installation scenarios.
- Compact structure: 3U standard size (482*133.5*460mm)
- Long-lasting: cyle life ≥6000 cycles @90%DOD.15 years design life.
- High Safety: High safety LiFePO4 battery. Cells are UL9540A certified
- Parallel ability: up to 32pcs connected in parallel, scale from 5kWh to 160kWh
- Compatible with mainstream inverters
- Existing certification Cell: UL9540A, UL1642, UL2580, IEC62619, ROHS, UN38.3,

National Battery Supply is a reputable manufacturer specializing in custom battery solutions. With over 20 years of experience, we can manage all your power needs.
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