Batteries & Energy Storage
LFP battery banks, rack-mount ESS, and whole-home backup from Fortress, EG4, BYD, and more.
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Buying Batteries & Energy Storage by the pallet or truckload?
Tiered contractor and volume pricing with freight quoted up front. Send your material list — most quotes come back same business day.
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 — Frequently Asked Questions
How many kWh of storage do I need?
Critical-loads backup (fridge, lights, internet) runs 3–5 kWh per night. Whole-home backup typically starts at 20–30 kWh. Off-grid homes should plan 2–3 days of autonomy.
Why LiFePO4 over AGM?
LFP delivers 6,000+ cycles versus roughly 500 for AGM, with full usable capacity and no maintenance. AGM only makes sense for budget or legacy replacements now.
Are server-rack batteries compatible with my inverter?
48V rack batteries from EG4, Pytes, and Fortress pair with Sol-Ark, EG4, Schneider, and most 48V hybrid inverters — check the BMS communication protocol (CAN/RS485) for closed-loop support.
Can storage ship freight?
Yes — lithium batteries ship as Class 9 hazmat on pallets with liftgate delivery. Freight is quoted up front at checkout or on your volume quote.
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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.