The 250kW-522kWh outdoor liquid-cooled lithium-ion battery energy storage system is engineered for businesses that demand high power output and long-duration capacity in a single, weatherproof
As a standardized “energy package,” each container provides 250kW/430kWh, and up to five units can be paralleled, enabling capacity expansion from 100–1000kW / 200–2000kWh. This containerized
This 250kW all-in-one containerized energy storage system integrates lithium batteries, inverter, and smart energy management in a 20FT container for easy installation, transportation, and stable
The 250kW-522kWh outdoor liquid-cooled lithium-ion battery energy storage
PowerStack Liquid Cooling Commerical Energy Storage System LOW COSTS Highly integrated ESS for easy transportation and O&M All pre-assembled, no battery module handling on site 8 hour
It adopts door-mounted embedded integrated air conditioning, which does not occupy cabinet space, improves the available space of outdoor cabinets, has better structural integrity at the
Ideal for use in renewable power plants. Powered by lithium-ion batteries, this portable product is ready to supply reliable power in challenging situations. It can work in island mode, as a hybrid solution
Outdoor Energy Storage Solution System 250kw 500kw 500KWh 1MWh 20ft Container Battery Air Cooling Container ESS
Housed in a 20-foot container, this system integrates solar PV, energy storage, and advanced control components into a single unit, making it ideal for remote industries, construction sites, disaster
High performance, energy storage system using advanced battery and inverter technology, providing charging and discharging efficiency up to 90% or more.
PEES Power Systems is a leading provider of advanced energy solutions in South Africa and Africa. We specialize in microgrid systems, solar photovoltaic (PV) power generation, BESS (battery energy storage systems), grid‑tied / hybrid / off‑grid inverters, PCS power conversion systems, EMS energy management systems, BMS battery management systems, lithium‑ion & LiFePO4 batteries, and modular energy storage systems. Our portfolio also includes energy storage containers, energy storage cabinets, containerised power stations, off‑grid power supply systems, backup emergency power, clean energy solutions, new energy storage systems, and green power systems. We offer battery cabinets with integrated BMS, outdoor all‑in‑one storage cabinets, commercial & industrial storage, communication battery cabinets, server racks, and transformer capacity expansion services. Whether you need a small off‑grid system or a zero‑carbon factory solution, our products deliver reliability and performance.
Our modular energy storage solutions range from 20ft/40ft mobile containers to outdoor all‑in‑one energy storage cabinets. We are a leading manufacturer of battery cabinets with BMS, offering communication battery cabinets for telecom, server racks for data centers, and energy storage battery BMS systems. We utilize lithium‑ion energy storage batteries and LiFePO4 batteries for optimal safety and lifecycle. Our stackable design allows flexible capacity expansion, while our grid‑forming technology ensures stable microgrid operation. Whether for distributed PV systems, off‑grid power supply, backup emergency power, or large zero‑carbon parks, our products feature advanced thermal management, PCS and EMS integration, and compliance with South African and international standards. We also provide professional energy storage system installation and after‑sales support, and we help clients navigate energy storage subsidies where applicable.