LFP Specialists

Batteries & Energy Storage

LFP battery banks, rack-mount ESS, and whole-home backup from Fortress, EG4, BYD, and more.

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679 products · Trade pricing · Full OEM warranties

Shop Batteries & Energy Storage by Type

LiFePO4
LiFePO4212 products
Lithium-Ion
Lithium-Ion139 products
AGM
AGM146 products
48V Batteries
48V Batteries37 products
Server Rack
Server Rack13 products
Full ESS Systems
Full ESS Systems133 products
Battery Backup Kits
Battery Backup Kits12 products

Top Brands

Fortress Power99EG476BYD27Pytes40HomeGrid33Tesla Powerwall2sonnen19FranklinWH3

Popular in Batteries & Energy Storage

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EG4 Electronics Chargeverter - GC 48V 100A 5120W Output 240/120V Input Battery Charger
EG4 ElectronicsEG4 Electronics Chargeverter - GC 48V 100A 5120W Output... $729.92
Victron 12V/38Ah AGM Deep Cycle Battery - BAT412350084
VictronVictron 12V/38Ah AGM Deep Cycle Battery - BAT412350084 $117.29
Outback Power 2-shelf comprehensive battery enclosure (SKU Part Number ) - IBR-2-48-175
Outback PowerOutback Power 2-shelf comprehensive battery enclosure (... $1,211.56Out of stock
EG4 3-Slot Battery Rack – Heavy-Duty Indoor Cabinet with 300A Busbars
EG4EG4 3-Slot Battery Rack – Heavy-Duty Indoor Cabinet w... $428.14
EG4 Electronics 12V 15A Battery Charger
EG4 ElectronicsEG4 Electronics 12V 15A Battery Charger $139.96
10 kW Ground-Mounted Grid-Tie System with Microinverters and Battery Backup
PES10 kW Ground-Mounted Grid-Tie System with Microinverter... $20,396.51Out of stock
VSUN 410-144BMH-DG 410W Bifacial Solar Panel
VSUNVSUN 410-144BMH-DG 410W Bifacial Solar Panel $149.69Out of stock
Victron BCD 402 2 batteries 40A - BCD000402000
VictronVictron BCD 402 2 batteries 40A - BCD000402000 $40.80
Generac PWRcell Battery Module Upgrade Kit - APKE00009
GeneracGenerac PWRcell Battery Module Upgrade Kit - APKE00009 $154.99
BYD Battery-Box Premium HVL BCU and Base only
BYDBYD Battery-Box Premium HVL BCU and Base only $529.93

Sizing Energy Storage

Lithium iron phosphate (LFP) is the default chemistry for stationary storage: 6,000+ cycle life, thermal stability, and no cobalt. Size usable kWh to your critical loads — a fridge, lights, and internet circuit draws 3–5 kWh overnight; whole-home backup usually starts at 20–30 kWh. Server-rack batteries scale in 5 kWh increments and pair with 48V hybrid inverters, while wall-mount all-in-one units simplify permitted residential installs.

Pro Tips

  • LFP for cycle life; AGM only for budget or legacy replacements
  • 48V rack batteries pair with Sol-Ark, EG4, and Schneider hybrids
  • Plan 2–3 days of autonomy off-grid, one night for backup

Batteries & Energy Storage — Delivered Nationwide

Batteries and energy storage at PES Supply — LiFePO4 solar batteries, server rack ESS, 48V battery banks, and whole-home backup systems from Fortress Power, EG4, BYD, Pytes, HomeGrid, sonnen, and Tesla Powerwall. Grid-tied, off-grid, and hybrid storage with 10-year warranties, shipped freight nationwide.

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