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Sail Solar BESS 20kw-50kw+100kwh All in One Outdoor Cabinet Solar Energy Storage System for C&I Use

Sail Solar 20-50kw+100kwh all in one outdoor cabinet is a customized modular that integrates a high-performance 20-50kw hybrid inverter, 100kwh advanced lithium iron phosphate batteries, a battery management system(BMS), a power distribution unit(PUD) and environment control system in one elegant weatherproof outdoor unit, simplifying installation, saving space, and streamlining solar management. This plug-and-play solution is especially suitable for off-grid solar systems, areas without grid access, remote regions, and harsh environmets.

  • Brand Name :

    Sail Solar
  • System Configuration :

    inverter, lithium battery pack, outdoor cabinet, BMS, EMS
  • Rated AC Output Power :

    20-50kw
  • Grid Type :

    off-grid, hybrid
  • Rated Frequency :

    8000
  • Battery Type :

    Lithium battery
  • Cooling :

    air-cooling
  • Weight :

    850kg
  • Dimensions (W*D*H) :

    1200*803*2375mm

High-Efficiency Integration 

Integrates inverter, energy storage, charging/discharging, and smart power distribution in one unit. Easy installation, space-saving, and suitable for diverse scenarios.

Smart Energy Management 

Equipped with an EMS (Energy Management System) to dynamically optimize energy distribution—prioritizes solar power usage, peak shaving and load shifting, reducing electricity costs.

High Safety & Reliability 

Built-in BMS, intelligent battery thermal control, and multiple protection mechanisms (over-charge, over-discharge, short circuit protection). Adapts to harsh environments like high temperature and humidity, ensuring long lifespan and stable operation.

Strong Compatibility & Scalability 

Supports flexible capacity expansion of storage batteries to meet different power demands. Compatible with mainstream PV modules and grid standards, ready for future upgrades.

High Efficiency Hybrid Inverter:

Handles bi-directional DC-AC power conversion. Available in modular designs from 5kW to over 100kW for residential or commercial use.

Lithium Iron Phosphate Battery (LiFePO4):

Provides safe, high-efficiency energy storage with flexible capacity options for high-demand applications.

All in One Outdoor Cabinet:

IP54/IP65-rated for waterproof, dustproof, and corrosion-resistant performance, ensuring reliable operation in harsh outdoor environments.

Smart Management System:

Integrates BMS+ EMS to enhance safety and extend battery life. It supports peak shaving, load shifting, optimizing energy control to reduce electricity costs.

Plug-and-Play Installation

Modular structure enables quick deployment, simple wiring, and easy system expansion.

Designed as an outdoor air-cooling ESS, this product integrates battery packs, PCS, PDU (EMS, BMS, AC/DC distribution), fire protection, and thermal management. It supports peak shaving, demand/capacity charge management, capacity expansion, and demand response, making it suitable for a wide range of industrial and commercial scenarios including charging stations, commercial buildings, and manufacturing facilities.

This product adopts modular design, facilitating installation, maintenance, and operational management.

1) The rated output power of a single product is 20-50 kW, with 100 kWh of capacity;

2) Support AC expansion with up to 10 cabinet in parallel, so expand up to 200-500W/1MWH.

3) Support DC expansion with reserved expansion interfaces;

4) Adopt air-cooling technology, resulting in smaller and more balanced inter- cluster temperature differentials.

5) The standard product is for off-grid,hybrid systems.

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