Build Your Own Solar & Off-Grid Power System

Choose the right LiFePO₄ battery for your DIY solar setup, from compact 5.12kWh rack storage to large-capacity 32kWh batteries and all-in-one solar power systems.

Choose Your DIY Solar Setup

Start with your energy use, system voltage and inverter requirements, then choose the battery format and capacity that fit your project.

HS48V100AH100RACK-3UBT / HS48V100AH100WALLBTNEW

HS48V300AH200WALLBT / HS48V314AH200WALLBT / HS48V628AH200WALLBT

HSAIO5KW5KWHEUV2

Build Your Own Off-Grid Solar System

Match your solar panels, battery storage and inverter to build a reliable DIY power system for cabins, sheds, workshops and independent off-grid living.

Build Your DIY Solar Setup

Solar Panels

Generate daytime power and recharge your battery bank

Solar Input

LiFePO₄ Battery Storage

Store solar energy for night-time and low-sun periods

Energy Storage

48V Inverter System

Convert stored DC energy into usable AC power

Power Conversion

MPPT Solar Charging

Improve solar charging across changing conditions

Solar Charging

Cabin & Shed Power

Build an independent system for remote spaces

Off-Grid Use

Expandable Battery Bank

Add more storage as your energy needs grow

Expandable

Plan for Higher-Demand Off-Grid Loads

Fridge & Freezer

Essential overnight loads for off-grid living

Daily Load

Water Pumps

Size your inverter for motor starting demand

Higher Demand

Workshop Tools

Support compatible tools and equipment

High Power

Whole-System Expansion

Add storage and solar as your usage grows

Future Ready

DIY System Sizing Note

Battery capacity, inverter output, solar array size and appliance starting power should be designed together. Always confirm battery voltage, charging settings, current limits and communication requirements before connecting your system.

Choose the Right Battery for Your DIY Solar System

From modular 48V rack storage to high-capacity batteries and all-in-one solar power, choose the setup that matches your inverter, daily energy use and expansion plans.

Compare 48V Battery Storage Options

Compare energy capacity, continuous discharge, BMS rating, installation style and system specifications to choose the right battery for your inverter and off-grid energy needs.

PRODUCT

48V 628AH WALL BT

NEW

48V 314AH WALL BT

BEST SALE

48V 100AH WALL BT

48V 100AH 3U RACK BT

Capacity628Ah /32.15kWh314Ah /16.08kWh100Ah /5.12kWh100Ah /5.12kWh
Dimensions850 × 430 × 732 mm890 × 620 × 254 mm550 × 485 × 185.5 mm500 × 440 × 133 mm
Weight240.50 kg130.50 kg44.90 kg41.35 kg
BMS Current200A200A100A100A
Bluetooth
Max Power32,000W16,000W5,120W5,120W
IP RatingIP54IP54IP54IP20
Best ApplicationLarge Homes, Farms & Remote PropertiesHome Solar, Whole-Home Backup & Off-Grid PropertiesHome Solar, Backup Power & Small Off-Grid HomesOff-Grid Cabins, Workshops & Modular Solar Storage
Price (AUD)$6,999.99$2,999.99$1,499.99$299.99

Why Choose Humsienk for DIY Solar?

Storage for Every System Size

Choose from 5.12kWh modular batteries through to 32kWh high-capacity storage.

Built Around 48V Systems

Designed for compatible low-voltage solar inverter and off-grid architectures.

Rack, Wall & Large-Capacity Options

Select the battery format that best suits your installation space and expansion plan.

LiFePO₄ for Daily Cycling

Long cycle life makes lithium well suited to regular solar charging and discharging.

Flexible System Design

Build around separate batteries and inverters or choose an integrated all-in-one solution.

DIY Solar & Off-Grid FAQs

Understand battery sizing, inverter matching, solar charging and system expansion before starting your build.

Estimate your daily energy consumption in kWh, then consider overnight use, days of backup and expected solar generation.

No. Check the inverter's battery voltage range, charging settings, current limits and communication requirements before connecting the system.

kWh measures how much energy the battery stores. kW measures how much power your system can deliver at one time.

Rack batteries suit modular expansion and organised battery banks. Larger single batteries provide more storage per unit and may simplify higher-capacity system layouts.

Separate batteries and inverters offer more flexibility, while an all-in-one system combines battery storage, inverter and solar charging functions into one unit.

Request a Bulk Order Quote

Planning a caravan build, marine system, off-grid project or commercial installation? Tell us which batteries you need and the required quantity. Our team will provide a customised bulk order price and suitable product recommendations.

Custom Bulk Pricing

Product Selection Support

Australia-Wide Delivery Options

Fast Quote Response

Bulk Orders Made Simple

Competitive pricing based on product and quantity

Support for mixed-model battery orders

Product matching for different applications

Delivery options across Australia

Assistance for business and commercial projects

Need help before submitting?

Contact the Humsienk team.

service.au@humsienk.com

Your Details

Get 5% OFF Your First Order!

Get 5% OFF Your First Order!

Subscribe to our newsletter and unlock an exclusive 5% discount on your first order. Plus, be the first to hear about new arrivals and special deals!