Portable Power Stations & Home Battery Storage — Energy Storage Manufacturer
PowerKeep specializes in portable power stations, solar generators and home battery backup storage systems. Since 1994, we have been committed to safe, efficient and reliable battery and energy storage solutions for global customers
Core Advantages
As a manufacturer with over 30 years in battery and energy storage, PowerKeep covers portable power stations, solar generators, home battery storage, home battery backup systems, balcony storage, C&I storage cabinets, utility-scale systems, PCS and PV inverters — all with LiFePO4 cells, over 11,000 cycles, OEM/ODM custom battery pack services and TÜV SÜD, CE, UN38.3 certifications.
Full-Scenario Coverage
Products covering 5 major categories: button, cylindrical, specialty, lithium-ion and energy storage batteries, from cells to complete systems
Safe & Reliable
All products certified with international approvals, 6000+ cycle life battery systems, multi-layer safety protection
Technology Leadership
Multiple national invention and utility model patents, 50+ automated production lines, monthly output of hundreds of millions of batteries
Global Service
7 domestic marketing centers, exports to dozens of countries, billions of batteries to global customers every year
Product Overview
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1500V String Energy Storage System (Outdoor Cabinet Type)
1500V string-type energy storage system (outdoor cabinet type), adopting a string-based power conversion solution with independent per-cabinet management and flexible configuration. Suitable for renewable energy plant-coupled storage, grid peak shaving and frequency regulation, offering high system efficiency and easy O&M.
Utility Storage System
1500V String Energy Storage System (Container Type)
1500V string-type energy storage system (container type), featuring an integrated prefabricated cabin design with factory prefabrication and rapid on-site deployment. Suitable for renewable energy plant-coupled storage, grid peak shaving and frequency regulation, offering high system efficiency and easy O&M.
Utility Storage System
1500V Centralized Energy Storage System
1500V centralized energy storage system, adopting a centralized power conversion solution with large single-unit capacity and low system cost. Suitable for large-scale renewable energy plant coupling and grid-side peak shaving and frequency regulation, enabling precise charge/discharge control via the energy management system.
Utility Storage System
1500V Immersion Liquid-Cooled Battery Container
1500V immersion liquid-cooled battery container, with battery modules immersed in coolant for high heat dissipation efficiency and superior safety performance. Suitable for large-scale energy storage power stations, delivering stable and reliable long-term operation while significantly reducing thermal runaway risks.
Utility Storage System
1500V Liquid-Cooled Battery Outdoor Cabinet
1500V liquid-cooled battery outdoor cabinet, utilizing liquid cooling technology for high energy density, precise temperature difference control, and extended battery lifespan. Suitable for power station and commercial and industrial energy storage scenarios, with an integrated outdoor cabinet design for convenient transportation and installation.
Utility Storage System
Utility Storage System 2.5MW/5-10MWh
2.5MW/5-10MWh
The modular PCS solves the circulating current between battery racks It increases energy density by 18% The discharge amount of the whole life cycle is increased by 6~8%, LCOE reduced by 3%~5%
Utility Storage System
C&I Energy Storage System 125kW
EASS125K/261kWh-C
All in one Intelligent group series architecture, one cluster one management PCS three level topology, the whole machine energy conversion efficiency >90% , liquid cooling temperature control, battery temperature difference <3^{°C , auxiliary power consumption is reduced by 30% , the system life is extended by 2 years Long-life LFP battery cells with >8000 cycles, equipped with explosion venting design and perfluorohexanone fire protection, provide multiple safety guarantee
C&I Storage Cabinet
C&I Energy Storage System 130kW
EAPVESS130K261KWH-C
High protection level: cabinet IP54, C4 anti-corrosion; Inverter IP66 protection battery PACK IP67 protection, can be used in a variety of harsh scenarios High conversion efficiency: the PV-ESS inverter adopts SiC solution on a large scale, with the highest conversion efficiency reaching 98.2% , reducing the kWh cost Three-level fire-fighting strategy: Level 1 power off and shutdown protection, Level 2 perfluorohexanone gas start, Level 3 water spray fire-fighting to prevent re-ignition
C&I Storage CabinetScenarios & Cases
1500V Smart PV Solution
守电1500V智能光伏解决方案专为大型地面光伏电站设计，采用高电压平台与组串式或集中式PCS相结合，有效提升系统效率并降低线损。自2013年起深耕储能领域，该方案集成了先进的150…
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Wind/PV Energy Storage Augmentation Solution
守电自2013年起专注于储能领域，其风电/光伏增储解决方案适用于新能源场站，通过配置1500V组串式或集中式储能系统，有效平滑发电出力波动，提升并网友好性。该方案集成高效PCS与长…
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Shared Energy Storage Solution
守电自2013年起专注于储能技术，其电网侧共享储能解决方案适用于多电源与多用户场景，通过共享容量显著提升系统利用率。该方案集成了1500V组串式及集中式储能系统、PCS和电池技术，…
View Case →Typical Cases
Ningxia 200MW PV Power Station Energy Storage Augmentation
In 2023, PowerKeep implemented a 200MW photovoltaic power station enhancement project in Ningxia, deploying 1500V string and centralized energy storage systems alongside advanced PCS technology. This solution increased the station's operational efficiency by 15% and reduced maintenance costs by 20%, significantly enhancing grid stability and renewable energy integration.
Gansu Wind Farm Energy Storage Augmentation
In the Gansu wind farm project, PowerKeep deployed a 100MWh 1500V centralized energy storage system, integrating advanced PCS technology to enhance grid stability and efficiency. This solution not only optimizes the utilization of wind resources but also increases the annual power generation by 15%, significantly improving economic returns while reducing carbon emissions.
Inner Mongolia Dengkou County 100MW PV Supporting Energy Storage
In the Inner Mongolia Dengkou County project, a 100MW photovoltaic system is paired with a 1500V centralized and string inverter energy storage solution, featuring advanced PCS technology. This setup not only enhances grid stability but also optimizes energy dispatch, leading to an estimated 15% increase in overall energy utilization efficiency, significantly benefiting local power supply reliability and sustainability.
EAST Kangbao Smart Microgrid Demonstration Project Energy Storage System
The Yitai Kangbao Intelligent Microgrid Demonstration Project features a 10MWh energy storage system, utilizing 1500V string and centralized storage technologies alongside advanced PCS. This solution enhances grid stability and efficiency, contributing to a 20% increase in renewable energy utilization while reducing operational costs by 15%.
Xinneng Mulei Sishige Jingzi 100MW Wind Power Project Energy Storage
The Xinneng Mulei Forty Wells 100MW wind power project integrates a 1500V centralized energy storage system with advanced PCS technology, capable of storing up to 20MWh. This solution enhances grid stability and maximizes the utilization of wind energy, contributing to an estimated 15% increase in annual energy yield, while reducing carbon emissions by over 100,000 tons annually.
Zhuhai Power Plant Thermal Frequency Regulation Project
The Zhuhai Power Plant frequency regulation project, with a capacity of 22MW/11MWh, adopts PowerKeep's 1500V centralized and string-type energy storage systems along with advanced PCS technology. This solution enhances the plant’s operational flexibility, improving its frequency response time by over 70% and generating an annual revenue increase of approximately 15%.
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Portable Power Station & Solar Generator Manufacturer
As a professional China manufacturer since 1994, PowerKeep designs and produces portable power stations (100W-3600W), solar generators, home battery storage systems, solar battery for home backup, and LiFePO4 batteries with over 11,000 cycles. Our energy storage solutions cover home battery backup, C&I energy storage cabinets and utility-scale energy storage systems, with OEM/ODM custom lithium battery pack services for global customers.
As a professional portable power station manufacturer and LiFePO4 battery factory in China, we welcome global distributors, wholesalers and OEM/ODM partners. Whether you need a home battery backup system for whole-home emergency power, or you are looking for a portable power station for camping, solar power batteries for home, a whole home battery backup system, or a reliable LiFePO4 battery manufacturer in China, PowerKeep provides certified, high-performance energy storage products with full support from design to delivery.