Solar Battery Backup

A solar battery backup system ensures you have power when the grid goes down, giving you peace of mind and greater energy independence. Whether you’re protecting your home from outages,...

A solar battery backup system ensures you have power when the grid goes down, giving you peace of mind and greater energy independence. Whether you’re protecting your home from outages, reducing reliance on utilities, or just wanting more control over your energy use, a solar backup system is the smart solution.

At Off-Grid Source, we make choosing the right solar battery backup simple, transparent, and fully supported.

Why Add Battery Backup to Your Solar Panels?

Solar panels produce energy during the day, but without storage you’re still tied to the grid after sunset. Adding a battery backup for solar panels lets you store excess energy and use it anytime. Benefits include:

Power during outages – keep refrigerators, lights, and medical devices running
Lower utility costs – store energy by day and use it at night to avoid peak rates
Energy independence – reduce or eliminate reliance on the grid
Quiet, clean power – no fumes, noise, or fuel like gas generators
Flexible setups – sized for everything from small homes to whole-house coverage

Home Solar Battery Backup Systems

Our collection of home solar battery systems is built for real-world needs. Customers trust them for:

Residential backup – reliable power for daily use and critical appliances
Expandable systems – start small and grow as your needs change
Durable, long-lasting batteries – engineered to last for years of charge cycles
Solar + storage – ideal for homeowners looking for dependable off-grid capability

Solar + Storage for Everyday Life

A solar panel and battery system isn’t just for emergencies. It’s a practical upgrade that makes everyday living more reliable and affordable. Families use solar power batteries for home to keep bills predictable, while small businesses and off-grid homeowners use battery backup systems to reduce downtime and protect operations.

Transparent Pricing and Expert Support

When shopping for a solar battery backup system, you’ll always find clear pricing and honest availability at Off-Grid Source. No hidden fees, no confusing listings - just high-quality solar backup power options backed by trusted support.

Our expert team is here to help you compare solar battery backup specs, size your system correctly, and choose with confidence.

Energy Security Made Simple

Adding a home solar battery backup doesn’t have to be complicated. We provide guidance, vetted products, and ongoing support so you can make the transition smoothly. Whether you need a small solar back up battery for critical circuits or a whole-home system, you’ll find the right fit here.

With Off-Grid Source, you get more than just products - you get a trusted partner committed to helping you achieve lasting energy security.

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Oscal
Oscal PowerMax 6000 | 6000W Portable Power Station with 120/240V Dual Voltage

from $1,699.00

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Oscal PowerMax 6000 | 6000W Portable Power Station with 120/240V Dual Voltage The Oscal PowerMax 6000 is a rugged and powerful portable power st...
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from $1,699.00

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You Save: $1,800.00

Anker
Anker SOLIX F3800 Portable Power Station

Original Price $3,999.00

Current Price $2,199.00

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Anker SOLIX F3800 Portable Power Station The Anker SOLIX F3800 Portable Power Station is a high-capacity energy solution designed to meet ...
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Original Price $3,999.00

Current Price $2,199.00

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Anker
Anker SOLIX BP3800 Expansion Battery | For SOLIX F3800 & F3800 Plus

from $1,599.00

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Anker SOLIX BP3800 Expansion Battery The Anker SOLIX BP3800 Expansion Battery is designed to seamlessly integrate with the Anker SOLIX F3...
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from $1,599.00

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PECRON
PECRON E3600LFP Portable Power Station 3600W 3072Wh

from $999.00

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PECRON E3600LFP Portable Power Station – 3600W 3072Wh High-Capacity, Ultra-Fast Charging, and Expandable Power Solution The PECRON E3600LFP is a ...
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from $999.00

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You Save: $200.00

Oscal
Oscal BP3600 Extra Battery | Enhanced Power for PowerMax 3600 & 6000 Power Stations

Original Price $1,399.00

Current Price $1,199.00

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Oscal BP3600 Extra Battery | Enhanced Power for PowerMax 3600 & 6000 Power Stations The Oscal BP3600 Extra Battery is designed to seamlessly...
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Original Price $1,399.00

Current Price $1,199.00

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EcoFlow
EcoFlow DELTA Pro Portable Power Station & Solar Kits

from $1,599.00

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EcoFlow DELTA Pro Portable Power Station & Solar Kits The EcoFlow DELTA Pro Portable Power Station represents the pinnacle of portable energ...
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from $1,599.00

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You Save: $2,900.00

Sol-Ark
Sol-Ark 18K-2P Hybrid Inverter

Original Price $9,870.00

Current Price $6,970.00

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Sol-Ark 18K-2P Hybrid Inverter The Sol-Ark 18K-2P Hybrid Inverter is a powerful, whole-home energy solution designed for grid-tied, off-grid, or...
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Original Price $9,870.00

Current Price $6,970.00

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You Save: $2,900.00
You Save: $2,600.00

Anker
Anker SOLIX F3800 + Expansion Battery

Original Price $6,498.00

Current Price $3,898.00

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Anker SOLIX F3800 + Expansion Battery The Anker SOLIX F3800 is a next-generation portable power station engineered for whole-home backup, off-gr...
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Original Price $6,498.00

Current Price $3,898.00

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EcoFlow
EcoFlow DELTA 2 Portable Power Station & Kits

from $449.00

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EcoFlow DELTA 2 Portable Power Station & Kits The EcoFlow DELTA 2 Portable Power Station is a cutting-edge energy solution that combines por...
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from $449.00

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PECRON
PECRON EP3000-48V Expansion Battery 3072Wh for E1500LFP/ E3600LFP/ E1000LFP/ E2400LFP/ F3000LFP (Pre-Order: ETA Early April)

from $699.00

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PECRON EP3000-48V Expansion Battery – 3072Wh LiFePO4 Battery Seamless Expansion for Extended Power Storage The PECRON EP3000-48V is a high-capacity...
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from $699.00

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Jackery
Jackery Solar Generator 2000 Plus

from $1,369.00

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Jackery Solar Generator 2000 Plus The Jackery Solar Generator 2000 Plus is your ultimate off-grid power solution, delivering unparalleled perfor...
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from $1,369.00

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You Save: $-585.00

SOK Battery
SOK Battery 12V 206Ah LiFePO4 Battery With Bluetooth & Built-in Heater

$585.00

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Premium Lithium Battery with Advanced BMS | 7-Year Warranty | Smart Bluetooth Monitoring Long-Lasting Power Solution with Built-in Heating for Extr...
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$585.00

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Oscal
Oscal PowerMax 3600 | 3000W Portable Power Station with 3600Wh Capacity

from $1,399.00

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Oscal PowerMax 3600 | 3000W Portable Power Station with 3600Wh Capacity The Oscal PowerMax 3600 is a rugged and powerful portable power station ...
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from $1,399.00

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SunGoldPower
Sungold Power PowerMax 51.2V 314AH Outdoor Energy Storage Battery UL1973 & UL9540A (Pre-Order: Mid-February)

$2,995.00

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Sungold Power PowerMax 51.2V 314AH Outdoor Energy Storage Battery UL1973 & UL9540A The Sungold Power PowerMax 51.2V 314AH is a high-capacity...
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$2,995.00

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PECRON
PECRON E2000LFP Expandable Portable Power Station 2000W 1920Wh

from $599.00

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PECRON E2000LFP Portable Power Station – 2000W 1920Wh Solar Generator Durable, Expandable, and High-Performance Power Solution The PECRON E2000LFP ...
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from $599.00

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You Save: $269.40

Victron Energy
Victron Quattro 48V 5000VA Inverter/Charger – 70A Charging, Dual 100A AC Inputs, 120V Output (QUA485021100)

Original Price $1,796.00

Current Price $1,526.60

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Victron Energy Quattro 48/5000/70-100/100 120V Inverter/Charger – QUA485021100 The Victron Energy Quattro QUA485021100 is a premium, high-capacity ...
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Original Price $1,796.00

Current Price $1,526.60

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You Save: $864.35

EG4
EG4 18KPV Hybrid Inverter All-In-One Solar Inverter | 18000W PV Input | 12000W Output | 48V 120/240V Split Phase | EG4-18KPV-12LV

Original Price $5,762.35

Current Price $4,898.00

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EG4 18kPV Hybrid Inverter | EG4-18kPV-12LV | 48V Split Phase 120/240VAC | UL1741, CEC Introducing the EG4 18kPV All-In-One Hybrid Inverter - the...
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Original Price $5,762.35

Current Price $4,898.00

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You Save: $430.00

EcoFlow
EcoFlow DELTA 2 Smart Extra Battery

Original Price $799.00

Current Price $369.00

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EcoFlow DELTA 2 Smart Extra Battery The EcoFlow DELTA 2 Smart Extra Battery is the perfect companion for extending the power capabilities of you...
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Original Price $799.00

Current Price $369.00

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PECRON
PECRON E2400LFP Portable Power Station 2400W 2048Wh

from $629.00

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PECRON E2400LFP Solar Generator – 2400W 2048Wh Portable Power Station High-Capacity, Fast-Charging, and Expandable Off-Grid Power Solution The PECR...
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from $629.00

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EcoFlow
EcoFlow DELTA Pro Ultra Battery Pack

from $2,099.00

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EcoFlow DELTA Pro Ultra Battery The EcoFlow DELTA Pro Ultra Battery Pack is the perfect solution for expanding your home energy storage. Designe...
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from $2,099.00

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SOK Battery
SOK Battery 48V100Ah Server Rack LiFePO4 Battery

$1,199.00

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SOK Battery 48V100Ah Server Rack LiFePO4 Battery The SOK 48V 100Ah Server Rack LiFePO4 Battery is a high-performance, long-lasting energy storag...
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$1,199.00

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PECRON
PECRON E1500LFP Expandable Portable Power Station 2200W 1536Wh

from $469.00

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PECRON E1500LFP Portable Power Station – 2200W 1536Wh Solar Generator High-Capacity, Fast-Charging, and Smart Energy Management The PECRON E1500LFP...
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from $469.00

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You Save: $2,600.00

Jackery
Jackery HomePower 3600 Plus (7.2kWh) + SolarSaga 500 X

Original Price $5,899.00

Current Price $3,299.00

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Jackery HomePower 3600 Plus (7.2kWh) + SolarSaga 500 X The Jackery HomePower 3600 Plus (7.2kWh) + SolarSaga 500 X bundle is a powerful, expandab...
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Original Price $5,899.00

Current Price $3,299.00

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Epoch Batteries
Epoch 12V 460Ah LiFePO4 V2 Elite Series Battery | 3500 Cycles | IP67 Rated | Internal Heating

$2,199.00

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Epoch 12V 460Ah LiFePO4 V2 Elite Series Battery | 3500 Cycles | IP67 Rated | Internal Heating The Epoch 12V 460Ah LiFePO4 V2 Elite Series Bat...
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$2,199.00

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