LV-BAT-W2.56Ac (Wall-Mounted Battery)

The LV-BAT-W2.56Ac is a compact, high-performance wall-mounted solar lithium battery, designed to deliver reliable energy storage for residential applications. Built with premium-grade LiFePO4 (Lithium Iron Phosphate) cells, it ensures exceptional safety, long service life, and stable performance.

Equipped with an advanced Battery Management System (BMS), the W2.56Ac continuously monitors and optimizes battery performance in real time, offering maximum protection against over-charge, over-discharge, and extreme temperatures. It is also compatible with hybrid grid-tied and off-grid inverters from multiple brands, making it a versatile solution for various installation scenarios.

Lithium Valley LV-BAT-W2.56Ac (Wall-Mounted Battery), Residential Energy Storage System product image

TECHNICAL SPECIFICATIONS

MODEL

LV-BAT-W2.56Ac

CAPACITY

2.56kWh

NOMINAL CAPACITY

RATED CAPACITY

NOMINAL ENERGY

RATED ENERGY CAPACITY

RACK RATED ENERGY CAPACITY

BATTERY CONFIGURATION CAPACITY

CELL TECHNOLOGY

Lithium iron phosphate (LiFePO4)

CELL SPECIFICATION

NOMINAL VOLTAGE

OPERATING VOLTAGE

VOLTAGE RANGE

MPPT INPUT VOLTAGE

RATED POWER

RATED OUTPUT POWER

RATED AC POWER

MAX. AC OUTPUT ACTIVE POWER

MAX. ALLOWABLE INPUT POWER

OUTPUT POWER FACTOR

EFFICIENCY

MAX. EFFICIENCY

MAX. ROUND-TRIP EFFICIENCY

THDi

MAX. CHARGE/DISCHARGE CURRENT

INSTANTANEOUS DISCHARGE CURRENT

DEPTH OF DISCHARGE (DoD)

95%

DIMENSIONS (W × D × H)

450*320*167.5mm

WEIGHT

BATTERY IMPEDANCE

RESISTANCE

OPERATING TEMPERATURE

0~55°C

DISCHARGING TEMPERATURE

IP RATING

IP 65

CYCLE LIFE

COMMUNICATION

CERTIFICATION

CB, IEC62619, UL1973, UKCA, CE-EMC, CE-GPSD, EN62619 ; UN38.3, MSDS

STANDARDS

CHARGING & INVERTING INTEGRATED MACHINE

MPPT

DCDC

LITHIUM BATTERY

12V MULTI-FUNCTION MODULE

CONTROL PANEL

WATER LEVEL SENSOR

APP

FEATURES

Multi-Scenario Adaptability

Compact and stylish design, ideal for both indoor and outdoor use

Longer Life & Safer

Premium LiFePO4 cells with superior thermal stability and a long cycle life

Low Maintenance

Remote firmware updates via built-in BMS; real-time monitoring through RS232, CAN, or RS485

Flexible & Expandable

Supports up to 20 units in parallel, enabling a maximum system capacity of 51.2kWh.

High Conversion Efficiency

Delivers up to 99% conversion efficiency for maximum energy utilization

Certified Quality

Fully compliant with international safety and quality standards, including UN38.3, CE, CB, RoHS, and REACH

COMPATIBLE INVERTER BRANDS

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FREQUENTLY ASKED QUESTIONS

How safe are lithium batteries for energy storage?

Lithium Valley products use LiFePO4 cells and a multilayer battery management system. Always follow the product datasheet, local electrical regulations, and approved installation practices.

What maintenance is required?

Routine maintenance is limited to keeping the installation area clean, checking connections, reviewing system alerts, and following the inspection schedule in the product manual.

Can the storage capacity be expanded later?

Expansion capability depends on the specific model, inverter compatibility, firmware, and installation design. Confirm the supported parallel quantity in the model datasheet before adding modules.

Which inverter brands are compatible?

Compatibility differs by model and communication protocol. Use the compatible-brand section and the latest datasheet as the primary reference, or contact Lithium Valley for confirmation.

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