48V 50AH PowerWall HESS

Product Overview

Residential solar power systems increasingly rely on battery storage to improve energy independence and ensure continuous electricity supply during grid interruptions.

The 48V 50Ah PowerWall HESS is a compact wall-mounted lithium battery designed for residential solar energy storage and backup power systems. Built with LiFePO4 battery chemistry, it offers high safety, long service life, and stable energy output for modern households.

With a capacity of 2.56kWh and scalable modular architecture, the 48V 50Ah PowerWall HESS integrates easily with hybrid and off-grid solar inverters. The 48V 50Ah PowerWall HESS enables homeowners to store solar energy efficiently while supporting reliable residential energy systems.

Solar installers increasingly deploy modular home energy storage systems (internal link) to maximize photovoltaic energy usage and reduce reliance on grid electricity.

Key Features & Benefits

The 48V 50Ah PowerWall HESS is designed to meet the requirements of residential energy storage systems where reliability, safety, and long-term performance are essential.

Compact 2.56kWh Energy Storage

The 48V 50Ah PowerWall HESS provides 2560Wh of energy storage capacity, allowing homeowners to store excess solar electricity produced during the day.

Stored power can be used at night or during grid outages to supply essential household loads.

Ultra-Long Cycle Life

The 48V 50Ah PowerWall HESS supports more than 6000 charge cycles at 80% depth of discharge.

This extended cycle life significantly reduces replacement costs and ensures stable long-term performance for residential energy storage installations.

Smart Battery Management System

Each 48V 50Ah PowerWall HESS integrates an advanced BMS with multiple protection functions including:

Overcharge protection
Over-discharge protection
Overcurrent protection
Temperature monitoring
Active cell balancing

The system communicates with hybrid inverters through advanced battery management systems (internal link) using CAN, RS485, and RS232 protocols.

Space-Saving Wall-Mounted Design

The 48V 50Ah PowerWall HESS uses a compact wall-mounted enclosure designed for residential environments.

The vertical installation format allows easy installation in garages, utility rooms, or dedicated solar battery storage spaces.

Technical Specifications

The 48V 50Ah PowerWall HESS is engineered for residential photovoltaic energy storage and backup power systems.

Lithium Cell Type: LiFePO4
Nominal Voltage: 51.2V
Nominal Capacity: 50Ah
Nominal Energy: 2560Wh

Maximum Charge Voltage: 58.4V
Discharge Cut-off Voltage: 40V

Maximum Continuous Charge Current: 50A
Maximum Continuous Discharge Current: 50A
Standard Charge Current: 25A

Dimensions (L × W × H): 520 × 420 × 150 mm
Weight: 28 kg

Cycle Life: >6000 cycles (80% DOD)
Internal Resistance: ≤20 mΩ

Maximum Parallel Connections: 16

Self-discharge: ≤2% per month

IP Rating: IP65

Charge Temperature: 0°C – 55°C
Discharge Temperature: -20°C – 60°C
Storage Temperature: -10°C – 45°C

Communication: CAN / RS485 / RS232

Battery Case: Metal wall-mounted enclosure
Design Life: 15 years

The 48V 50Ah PowerWall HESS is compatible with hybrid solar inverters (internal link) commonly used in residential solar installations.

Applications

Residential lithium energy storage systems support a wide range of home power applications.

Residential Solar Energy Storage

The 48V 50Ah PowerWall HESS stores excess photovoltaic electricity produced during the day.

Stored energy powers household appliances at night, improving solar self-consumption efficiency.

Home Backup Power Systems

During grid outages, the 48V 50Ah PowerWall HESS provides backup electricity for essential household equipment including lighting, routers, refrigerators, and communication devices.

The battery functions as a dependable home energy storage battery for residential backup applications.

Off-Grid Residential Power

For off-grid houses and remote locations, the 48V 50Ah PowerWall HESS forms the core of a home solar battery storage system integrated with photovoltaic panels and inverters.

Such systems enable reliable electricity generation independent of utility grid supply.

Some installations also integrate lithium systems with solar batteries (internal link) to build hybrid renewable energy solutions.

Comparison / Advantages

The 48V 50Ah PowerWall HESS offers several advantages compared with conventional residential lead-acid battery systems.

Higher Energy Density

LiFePO4 chemistry allows higher energy density compared with traditional lead-acid batteries, enabling compact wall-mounted installations.

Longer Service Life

The 48V 50Ah PowerWall HESS delivers more than 6000 cycles, significantly exceeding the lifespan of many lead-acid battery storage systems.

Modular Expansion

Multiple units can be connected in parallel, enabling scalable residential energy storage system capacity up to 16 battery modules.

Maintenance-Free Operation

Unlike flooded lead-acid batteries, the 48V 50Ah PowerWall HESS requires no electrolyte maintenance or regular servicing.

Certifications & Quality

The 48V 50Ah PowerWall HESS is manufactured using strict quality control procedures to ensure safety and reliability.

Quality assurance processes include:

Precision cell grading
Battery pack performance testing
BMS protection verification
Thermal stability validation

The IP65 metal enclosure ensures reliable operation in residential environments.

OEM & Customization

Residential energy storage distributors and solar installers often require customized battery systems tailored to specific inverter platforms.

Comprehensive oem odm (internal link) services are available for the 48V 50Ah PowerWall HESS, including:

Logo branding
Battery casing customization
Firmware configuration
Inverter communication protocol matching
Packaging customization

Optional upgrades include:

Bluetooth monitoring
WiFi monitoring
4G remote monitoring
Mobile APP battery management
LCD display integration
Parallel expansion modules

These customization options support solar installers and energy system integrators across North America, Europe, and Australia.

CTA

For residential solar installers, energy storage distributors, and home energy system integrators seeking reliable lithium battery solutions, the 48V 50Ah PowerWall HESS offers compact installation, long cycle life, and scalable home energy storage.

Contact FSE Battery today to discuss OEM customization, bulk supply, or integration into residential solar energy systems.