48V 100AH PowerWall HESS

Product Overview

Residential solar installations require reliable battery storage to maximize photovoltaic energy usage and maintain electricity supply during outages.

The 48V 100Ah PowerWall HESS is a wall-mounted lithium battery designed specifically for residential energy storage systems and solar backup applications. Built with advanced LiFePO4 technology, it delivers safe, long-life energy storage for modern homes.

With 5.12kWh capacity and modular scalability, the 48V 100Ah PowerWall HESS integrates easily with hybrid solar inverters and home energy management systems. The 48V 100Ah PowerWall HESS offers efficient solar power storage while maintaining compact installation and reliable operation for residential environments.

Many solar installers are adopting modular home energy storage systems (internal link) to improve energy independence and reduce electricity costs.

Key Features & Benefits

The 48V 100Ah PowerWall HESS is engineered for residential solar energy storage environments where reliability, safety, and long-term performance are critical.

High Efficiency 5.12kWh Energy Storage

The 48V 100Ah PowerWall HESS delivers 5120Wh of usable energy storage, allowing households to store excess solar energy generated during the day.

Stored energy can power household loads during nighttime or grid outages, improving energy independence.

Ultra-Long Cycle Life

The 48V 100Ah PowerWall HESS supports more than 6000 cycles at 80% depth of discharge.

This long operational lifespan significantly reduces system lifecycle costs and ensures long-term reliability for residential solar installations.

Smart Battery Management System

Each 48V 100Ah PowerWall HESS includes an integrated smart BMS with comprehensive protection features:

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

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

Space-Saving Wall Mounted Design

The 48V 100Ah PowerWall HESS uses a compact wall-mounted enclosure that simplifies installation in garages, utility rooms, or dedicated energy storage cabinets.

The vertical installation format helps maximize space efficiency in residential environments.

Technical Specifications

The 48V 100Ah PowerWall HESS is designed for residential solar energy storage systems and hybrid photovoltaic installations.

Lithium Cell Type: LiFePO4
Nominal Voltage: 51.2V
Nominal Capacity: 100Ah
Nominal Energy: 5120Wh

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

Maximum Continuous Charge Current: 100A
Maximum Continuous Discharge Current: 100A
Standard Charge Current: 50A

Dimensions (L × W × H): 650 × 480 × 180 mm
Weight: 48 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 100Ah PowerWall HESS is compatible with hybrid solar inverters (internal link) used in residential photovoltaic energy systems.

Applications

Home energy storage systems are increasingly deployed to improve energy resilience and reduce reliance on the electrical grid.

Residential Solar Energy Storage

The 48V 100Ah PowerWall HESS stores surplus electricity produced by photovoltaic panels during daylight hours.

This stored energy powers household loads at night, increasing solar self-consumption.

Home Backup Power Systems

During grid outages, the 48V 100Ah PowerWall HESS provides reliable backup electricity for essential household equipment such as lighting, refrigerators, internet devices, and security systems.

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

Off-Grid Residential Power Systems

For off-grid homes and remote locations, the 48V 100Ah PowerWall HESS forms the core of a home solar battery storage system integrated with solar panels and hybrid inverters.

Such systems deliver reliable electricity without reliance on the utility grid.

Some installations may combine energy storage systems with solar batteries (internal link) to support hybrid renewable energy architectures.

Comparison / Advantages

The 48V 100Ah PowerWall HESS provides several advantages compared with conventional residential lead-acid battery storage solutions.

Higher Energy Density

LiFePO4 technology enables higher energy density than traditional lead-acid batteries, allowing more energy storage in a compact wall-mounted unit.

Longer Service Life

The 48V 100Ah PowerWall HESS provides over 6000 cycles, significantly exceeding the lifespan of many lead-acid batteries.

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 batteries, the 48V 100Ah PowerWall HESS requires no electrolyte maintenance or periodic servicing.

For electrical installation safety guidelines, many solar installers reference the National Electrical Code.

Certifications & Quality

The 48V 100Ah PowerWall HESS is manufactured using strict quality control procedures to ensure operational safety and reliability.

Production processes include:

Cell matching and grading
Battery pack performance testing
BMS function verification
Thermal stability testing

The IP65 metal enclosure provides protection against dust and water exposure in residential environments.

OEM & Customization

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

Full oem odm (internal link) services are available for the 48V 100Ah PowerWall HESS, including:

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

Optional upgrades include:

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

These customization options allow energy storage distributors and solar system integrators to deploy flexible residential storage solutions.

CTA

For residential solar installers, energy storage distributors, and system integrators seeking reliable lithium battery solutions, the 48V 100Ah PowerWall HESS provides high efficiency, long cycle life, and scalable modular energy storage.

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