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Expansion Batteries

Unlock extended runtime with premium expansion batteries. Our collection features high-capacity LiFePO4 options from top brands like EcoFlow, Jackery, and Anker. These modular power solutions provide dependable backup energy for camping, emergencies, or off-grid living. Maximize your power station's potential today!

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EcoFlow DELTA Pro Ultra Battery Pack
EcoFlow DELTA Pro Ultra Battery Pack Save up to 30% Save %

EcoFlow DELTA Pro Ultra Battery (6kWh) — 1, 2 or 3 Pack

EcoFlow
$2,399.00 - $9,897.00
$2,399.00 - $9,897.00
$6,598.00
$2,399.00 - $6,899.99
$2,399.00 - $6,899.99
$2,399.00

6,144Wh Each · 102.4V · LFP · IP54 · 5-Year Warranty EcoFlow DELTA Pro Ultra Battery (6kWh) — 1, 2 or 3 Pack This is the storage ...

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$2,399.00 - $9,897.00
$2,399.00 - $9,897.00
$6,598.00
$2,399.00 - $6,899.99
$2,399.00 - $6,899.99
$2,399.00
Save up to 30% Save %
Ecoflow Delta 2 Max Smart Extra Battery
Ecoflow Delta 2 Max Smart Extra Battery Sold out

Ecoflow Delta 2 Max Smart Extra Battery

EcoFlow
$664.00 - $664.00
$664.00
$664.00 - $664.00
$664.00

EcoFlow DELTA 2 Max Smart Extra Battery (2048Wh) This adds 2048Wh of LFP storage to a DELTA 2, DELTA Max or DELTA 2 Max — doublin...

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$664.00 - $664.00
$664.00
$664.00 - $664.00
$664.00
Sold out
Sold out

Anker SOLIX BP3800 Expansion Battery for F3800

Anker
$1,799.00 - $1,799.00
$1,799.00
$1,799.00 - $1,799.00
$1,799.00

Anker SOLIX BP3800 Expansion Battery, 3,840Wh Each BP3800 adds 3,840 Wh to an F3800 or F3800 Plus, matching the capacity of the p...

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$1,799.00 - $1,799.00
$1,799.00
$1,799.00 - $1,799.00
$1,799.00
Sold out
Save 36% Save %

Jackery Expansion Battery Pack 2000 Plus

Jackery
$1,399.00
$1,399.00 - $1,399.00
$1,399.00
$899.00
$899.00 - $899.00
$899.00

Expandable to 24.5kWh Jackery Battery Pack 2000 Plus: Grow Your Explorer 2000 Plus System The Jackery Battery Pack 2000 Plus add...

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$1,399.00
$1,399.00 - $1,399.00
$1,399.00
$899.00
$899.00 - $899.00
$899.00
Save 36% Save %
EcoFlow DELTA Pro 3 Smart Extra Battery
EcoFlow DELTA Pro 3 Smart Extra Battery
Sold out

EcoFlow DELTA Pro 3 Smart Extra Battery | 4096Wh

EcoFlow
$1,899.00 - $1,899.00
$1,899.00
$1,899.00 - $1,899.00
$1,899.00

EcoFlow DELTA Pro 3 Smart Extra Battery (4096Wh) This doubles a DELTA Pro 3's stored energy: another 4096Wh of automotive-grade L...

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$1,899.00 - $1,899.00
$1,899.00
$1,899.00 - $1,899.00
$1,899.00
Sold out
Sold out

Jackery Expansion Battery Pack 1000 Plus

Jackery
$599.00
$599.00 - $599.00
$599.00
$399.00
$399.00 - $399.00
$399.00

Jackery Jackery Expansion Battery Pack 1000 Plus The Jackery Expansion Battery Pack 1000 Plus is part of the Jackery lineup at Re...

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$599.00
$599.00 - $599.00
$599.00
$399.00
$399.00 - $399.00
$399.00
Sold out
Jackery Battery Pack 5000 Plus
Jackery Battery Pack 5000 Plus
Save 13% Save %

Jackery Battery Pack 5000 Plus

Jackery
$2,999.00
$2,999.00 - $2,999.00
$2,999.00
$2,599.00
$2,599.00 - $2,599.00
$2,599.00

UL 1973 Certified Jackery Battery Pack 5000 Plus: Expand Your Backup Power to 60kWh The Jackery Battery Pack 5000 Plus adds 5,04...

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$2,999.00
$2,999.00 - $2,999.00
$2,999.00
$2,599.00
$2,599.00 - $2,599.00
$2,599.00
Save 13% Save %
Jackery Battery Pack 3600
Save 36% Save %

Jackery Battery Pack 3600

Jackery
$2,099.00
$2,099.00 - $2,099.00
$2,099.00
$1,349.00
$1,349.00 - $1,349.00
$1,349.00

Expandable to 43kWh Jackery Battery Pack 3600: Grow Your HomePower System As You Need It The Jackery Battery Pack 3600 adds 3,58...

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$2,099.00
$2,099.00 - $2,099.00
$2,099.00
$1,349.00
$1,349.00 - $1,349.00
$1,349.00
Save 36% Save %
EcoFlow LFP Battery
EcoFlow LFP Battery

EcoFlow LFP Battery

EcoFlow
$1,749.00 - $4,019.00
$1,749.00 - $4,019.00
$1,749.00 - $4,019.00
$1,749.00

48V · 2kWh or 5kWh · 3500 Cycles · Auto-Heating · 5-Year Warranty EcoFlow LFP Battery for 48V Systems — 2kWh and 5kWh This is the...

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$1,749.00 - $4,019.00
$1,749.00 - $4,019.00
$1,749.00 - $4,019.00
$1,749.00
Fortress Power eBoost 16kWh LFP Battery
Fortress Power eBoost 16kWh LFP Battery

Fortress Power eBoost 16kWh LFP Battery

Fortress Power
$4,299.00 - $4,299.00
$4,299.00
$4,299.00 - $4,299.00
$4,299.00

16.08kWh · 51.2V · Includes eWay Lite Fortress Power eBoost 16kWh LFP Battery The eBoost delivers 16.08kWh of usable energy from ...

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$4,299.00 - $4,299.00
$4,299.00
$4,299.00 - $4,299.00
$4,299.00
Fortress Power eForce 9.6kWh LFP Battery Stackable Energy Storage
Fortress Power eForce 9.6kWh LFP Battery Stackable Energy Storage
Save 7% Save %

Fortress Power eForce 9.6kWh LFP Battery Stackable Energy Storage

Fortress Power
$4,799.00
$4,799.00 - $4,799.00
$4,799.00
$4,475.00
$4,475.00 - $4,475.00
$4,475.00

9.6kWh · 48V · Stackable Fortress Power eForce 9.6kWh LFP Battery Stackable Energy Storage The eForce 9.6kWh delivers 200Ah from ...

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$4,799.00
$4,799.00 - $4,799.00
$4,799.00
$4,475.00
$4,475.00 - $4,475.00
$4,475.00
Save 7% Save %
Fortress Power eForce 28.8kWh Stackable Outdoor Battery System
Fortress Power eForce 28.8kWh Stackable Outdoor Battery System

Fortress Power eForce 28.8kWh Stackable Outdoor Battery System

Fortress Power
$14,275.00 - $14,275.00
$14,275.00
$14,275.00 - $14,275.00
$14,275.00

28.8kWh · 48V · Stackable Fortress Power eForce 28.8kWh Stackable Outdoor Battery System The eForce 28.8kWh delivers 600Ah from T...

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$14,275.00 - $14,275.00
$14,275.00
$14,275.00 - $14,275.00
$14,275.00
Fortress Power eForce 19.2kWh Stackable Outdoor Heated Battery Storage Solution
Fortress Power eForce 19.2kWh Stackable Outdoor Heated Battery Storage Solution
Save 13% Save %

Fortress Power eForce 19.2kWh Stackable Outdoor Heated Battery Storage Solution

Fortress Power
$11,270.00
$11,270.00 - $11,270.00
$11,270.00
$9,800.00
$9,800.00 - $9,800.00
$9,800.00

19.2kWh · 48V · Stackable Fortress Power eForce 19.2kWh Stackable Outdoor Heated Battery Storage Solution The eForce 19.2kWh deli...

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$11,270.00
$11,270.00 - $11,270.00
$11,270.00
$9,800.00
$9,800.00 - $9,800.00
$9,800.00
Save 13% Save %
LG enblock S Battery Control Unit
LG enblock S Battery Control Unit

LG enblock S Battery Control Unit

LG
$1,129.00 - $1,129.00
$1,129.00
$1,129.00 - $1,129.00
$1,129.00

LG enblock S Battery Control Unit The Control Unit is the base of LG's enblock S stackable battery system — the electronics and c...

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$1,129.00 - $1,129.00
$1,129.00
$1,129.00 - $1,129.00
$1,129.00
Jackery Battery Pack 2000 Plus v2
Save 18% Save %

Jackery Battery Pack 2000 Plus v2

Jackery
$1,099.00
$1,099.00 - $1,099.00
$1,099.00
$899.00
$899.00 - $899.00
$899.00

HomePower 2000 Plus v2 Expansion Battery Jackery Battery Pack 2000 Plus v2 This expansion battery adds 2048Wh of LiFePO4 storage ...

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$1,099.00
$1,099.00 - $1,099.00
$1,099.00
$899.00
$899.00 - $899.00
$899.00
Save 18% Save %

BigBattery ETHOS 3x Expansion Kit

BigBattery
$4,040.00 - $4,040.00
$4,040.00
$4,040.00 - $4,040.00
$4,040.00

+15.36kWh · ETHOS Expansion BigBattery ETHOS 3x Expansion Kit This kit adds 3 more ETHOS modules — 15.36kWh total — to an existin...

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$4,040.00 - $4,040.00
$4,040.00
$4,040.00 - $4,040.00
$4,040.00

BigBattery ETHOS 2x Expansion Kit

BigBattery
$2,790.00 - $2,790.00
$2,790.00
$2,790.00 - $2,790.00
$2,790.00

+10.24kWh · ETHOS Expansion BigBattery ETHOS 2x Expansion Kit This kit adds 2 more ETHOS modules — 10.24kWh total — to an existin...

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$2,790.00 - $2,790.00
$2,790.00
$2,790.00 - $2,790.00
$2,790.00
Save 3% Save %

BigBattery 48V ETHOS 30.7KWH (6 Module)

BigBattery
$8,070.00
$8,070.00 - $8,070.00
$8,070.00
$7,820.00
$7,820.00 - $7,820.00
$7,820.00

30.72kWh · 51.2V · LiFePO4 BigBattery 48V ETHOS 30.7kWh (6 Module) This 30.72kWh configuration bundles 6 ETHOS modules — 51.2V, 1...

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$8,070.00
$8,070.00 - $8,070.00
$8,070.00
$7,820.00
$7,820.00 - $7,820.00
$7,820.00
Save 3% Save %
Save 4% Save %

BigBattery 48V ETHOS 20.2KWH (4 Module)

BigBattery
$5,570.00
$5,570.00 - $5,570.00
$5,570.00
$5,320.00
$5,320.00 - $5,320.00
$5,320.00

20.48kWh · 51.2V · LiFePO4 BigBattery 48V ETHOS 20.2kWh (4 Module) This 20.48kWh configuration bundles 4 ETHOS modules — 51.2V, 1...

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$5,570.00
$5,570.00 - $5,570.00
$5,570.00
$5,320.00
$5,320.00 - $5,320.00
$5,320.00
Save 4% Save %
Save 3% Save %

BigBattery 48V ETHOS 10.2KWH (2 Module)

BigBattery
$2,860.00
$2,860.00 - $2,860.00
$2,860.00
$2,780.00
$2,780.00 - $2,780.00
$2,780.00

10.24kWh · 51.2V · LiFePO4 BigBattery 48V ETHOS 10.2kWh (2 Module) This 10.24kWh configuration bundles 2 ETHOS modules — 51.2V, 1...

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$2,860.00
$2,860.00 - $2,860.00
$2,860.00
$2,780.00
$2,780.00 - $2,780.00
$2,780.00
Save 3% Save %

BigBattery 48V ETHOS 15.3KWH (3 Module)

BigBattery
$4,030.00 - $4,030.00
$4,030.00
$4,030.00 - $4,030.00
$4,030.00

15.36kWh · 51.2V · LiFePO4 BigBattery 48V ETHOS 15.3kWh (3 Module) This 15.36kWh configuration bundles 3 ETHOS modules — 51.2V, 1...

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$4,030.00 - $4,030.00
$4,030.00
$4,030.00 - $4,030.00
$4,030.00

BigBattery ETHOS 48V 5.1kWh LiFePO4 Home Battery Backup

BigBattery
$1,250.00 - $1,250.00
$1,250.00
$1,250.00 - $1,250.00
$1,250.00

5.12kWh · 51.2V · LiFePO4 BigBattery ETHOS 48V 5.12kWh Stackable Battery Module One ETHOS module is 51.2V and 100Ah/5.12kWh — the...

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$1,250.00 - $1,250.00
$1,250.00
$1,250.00 - $1,250.00
$1,250.00

Tigo EI Battery 9.9kWh with Enclosure

Tigo
$3,200.00 - $3,200.00
$3,200.00
$3,200.00 - $3,200.00
$3,200.00

Tigo Tigo EI Battery 9.9kWh with Enclosure The Tigo EI Battery with Enclosure – 9.9kWh is a lithium iron phosphate (LFP) energy s...

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$3,200.00 - $3,200.00
$3,200.00
$3,200.00 - $3,200.00
$3,200.00

Natures Generator Powerhouse Power Addition Plus

Natures Generator
$3,499.99 - $3,499.99
$3,499.99
$3,499.99 - $3,499.99
$3,499.99

Natures Generator Natures Generator Powerhouse Power Addition Plus Expand out your Nature's Generator Powerhouse system with this...

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$3,499.99 - $3,499.99
$3,499.99
$3,499.99 - $3,499.99
$3,499.99
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