Unlock energy independence and backup power with our Battery Storage collection at Portlandia Electric Supply. With over 1,200 SKUs, this collection spans stackable residential systems, commercial rackmount units, and versatile LiFePO₄ batteries—ideal for residential, commercial, and off-grid installations. What’s in the Collection? Stackable Residential ESS Top brands: EG4 PowerPro, Fortress Power eFlex, Sol-Ark Starting from $2,899—these systems are designed for scalable home energy storage and hybrid setups.Portlandia Electric Supply Rackmount ESS for Commercial/Industrial Use Brands include Pylontech, BYD, CATL with 48 V battery banks offering high-capacity storage in compact, modular designs. Lithium Batteries (LiFePO₄) Affordable, drop-in replacements for existing systems; brands like Battle Born, Victron, Renogy offer reliable deep-cycle lithium solutions. Featured Product: HomeGrid HG-4 Stack Series Capacity: 19.2 kWh Continuous Power: 15 kW (surge: up to 24 kW) Chemistry: Safe, cobalt-free LiFePO₄ Modular Design: Stack from 2 to 8 modules (4.8 kWh each) Smart Monitoring: Live system diagnostics via integrated communication Longevity: 10-year warranty and 20-year serviceable design Benefits at a Glance Flexible Configuration — Whether it's a single-family home or a large facility, choose stackable or rackmount options that fit your layout and load demands. High-Performance Chemistry — LiFePO₄ offers outstanding efficiency, long life, and safer operation compared to traditional battery types. Literature shows lithium-ion cycles far exceed lead-acid batteries in lifespan and energy density. Hybrid Ready — Compatible with solar integration, enabling self-consumption and power resilience. Future-Proof Design — Modular systems support phased scaling without overhauling your setup. Ideal Applications Residential Homes — Add backup power, peak shaving, or off-grid capability with a stackable ESS. Commercial & Industrial Spaces — Deploy rackmount systems to stabilize power, reduce demand charges, and support critical loads. Off-Grid & Remote Installations — Dependable lithium solutions thrive in locations with limited grid access. Portlandia Electric Supply’s Battery Storage collection delivers the flexibility, performance, and brand reliability that modern energy systems demand. Whether you're optimizing a smart home or designing a commercial microgrid, our selection ensures seamless integration—backed by top-tier support and nationwide delivery.