12 kWe/21.1 kWh
BES 12S
PowerLink BES12S is an all-in-one battery/solar/diesel energy system, delivering 12kW continuous and 14kW peak AC power (220-240V, 50Hz). Equipped with a 21.1kWh liquid-cooled LiFePO4 battery (1C charge/discharge, 80% DOD) and a 37kVA Yunnei diesel generator, it ensures reliable power.
With IP54 protection, wind resistance class 8, and low noise (50-55dBA), it performs in -20°C to 50°C. Smart features include a 13” touchscreen, WAN/WIFI/SIM connectivity, and cloud/APP control. Certified to UN38.3, CE, IEC standards, it supports parallel operation—ideal for off/on-grid reliability.
Modular structure design
Genuine spare parts
Plug-and-Play Convenience
Rugged & Reliable Performance
Features
Intelligent EMS
Real-time monitoring/scheduling for BMS/PCS, operable via local HMI or remote APP/Web
Hybrid Energy System
12kWe rated power output; 21.1kWh battery capacity; 18kWp PV power
Oil-PV-Storage hybrid power
Integrates with energy storage battery, PV modules and diesel generator
Battery system adopts liquid cooling
Operating temperature range: -20°C to 50°C.
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Specification
| Output Power | kVA/kW | 12/12 |
| Output voltage | AC V | 220/230/240 |
| Battery Capacity | kWh | 21.1 |
| Grid Power Input | kVA/kW | 12/12 |
| Gen Power Input | kVA/kW | 37/30 |
| Solar Power Capacity | kWp | 18 |
| 40′ Loading | qty | 4 |
| Noise Level(hybrid mode) | dBA@7m | 55 |
| Noise Level(battery mode) | dBA@7m | 50 |
| Dry Weight | kg | 1350 |
| Dimensions | mm | 2100*1150*1700 |
Download
BES 12S Specification Datasheet
BES 12S-Specification
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BES 12S Warranty Manual
BESS Warranty Manual-5 Years-20250924
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BES 12S Brochure Manual
BESS Brochure Manual-5 Years-20250924
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Accessories
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FAQs
What are the output power and battery capacity specifications of the BES12S unit?
Output power of 12 KWe, battery capacity of 21.1 KWh
What is the photovoltaic power generation capacity and diesel generator output of the BES12S?
It features a photovoltaic power generation capacity of (18) kWp and a diesel generator output power of 22-60 kVA.
What is the structural design of the BES12S, and what type of power supply system and energy complementarity can it achieve?
Adopting an integrated design that combines the energy storage battery, photovoltaic modules, and diesel generator, this unit is a single-phase power supply system capable of realizing oil-solar-storage complementarity.
What application scenarios is the BES12S unit suitable for?
It is suitable for remote islands, mountainous rural areas, field stations, backup power supplies, and other applications.