With a standard size of 21mm in diameter and 70mm in length, these batteries were developed as a next-generation improvement over 18650 cells, offering increased power output, extended runtime,
Each cabinet integrates battery modules, hybrid inverter, EMS, fire suppression, and cooling in one compact, IP55-rated enclosure for outdoor use. The system is modular and scalable, supporting
The Cabinet offers flexible installation, built-in safety systems, intelligent control, and efficient operation. It features robust lithium iron phosphate (LiFePO4) batteries with scalable capacities, supporting on
The all-in-one air-cooled ESS cabinet integrates long-life battery, efficient balancing BMS, high-performance PCS, active safety system, smart distribution and HVAC into one cabinet, enabling long
Shop 21700 batteries at Voltaplex. These high-performance 21700 battery cells provide efficient, long-lasting power, ideal for demanding devices and applications.
Discover the power of 21700 batteries — high-capacity lithium-ion cells built for electric vehicles, power tools, and energy storage. Learn specs, types, and key benefits.
In a world increasingly reliant on renewable energy and portable power, the 21700 Energy Storage Battery Box has emerged as a game-changer. With applications spanning solar farms, industrial
Our battery packs are tested under the condition of 0.5C charging ratio of 100% depth of discharge (DOD). If we use a 0.25C charging ratio, our battery packs can reach more than 6000 cycles.
Portable power stations and home grid energy storage equipment all rely on the high energy density advantage of the 21700 battery. A single unit can replace multiple small batteries,
Built with lithium-ion batteries, it offers longer performance and more cycles than VRLA batteries. With a fully loaded cabinet shipped to your location and no onsite wiring needed, it saves on deployment
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.