Guardian Power
Outdoor Residential BESS
11 KWh
Key Features
Patented Immersion Cooling
Battery cells are submerged in non-toxic dielectric oil for direct active thermal management, fire suppression, and propagation prevention.
Thermal Management
Liquid immersion cooling offers superior thermal management by enhancing heat transfer efficiency through direct contact with the
cooling liquid.
Integrated BMS & EMS
Our non-Chinese BMS and EMS ensure optimal performance, safety, and efficiency, offering unmatched reliability and control.
Enhanced Durability
Our battery modules have an IP67 rating while our cabinet is rated at IP54, ensuring reliable performance in demanding environments.
Specifications | Guardian Power
Overview
| Size |
712 x 750 x 578.6 mm (WxDxH) |
Weight |
< 170 kg |
IP Rating |
Container: IP54 | Module: IP67 |
Operating Temperature |
-40°C to +60°C |
Relative Humidity |
10%~90% RH, non-condensing |
Altitude ¹ |
≦ 2000m |
Thermal Control |
Immersion cooling circulated system & HVAC |
DC Efficiency |
>=93.5% @ 0.5P, >=95.2% @ 0.25P |
Battery Characteristics
Chemistry |
Lithium-ion Cell |
Warranty ³ |
10 Years |
Depth of Discharge ⁵ |
80% to 100% |
Performance
Energy Capacity (max) ⁴ |
11 KWh |
Rated Duration of Discharge |
2 Hours |
DC Power @ Rated Duration ¹ |
5.5 KW |
DC Capacity @ Rated Duration ¹ |
11 KWh |
Operating Voltage |
39 V to 53.3 V |
Safety
Explosion Prevention |
Immersion cooling circulated patented to prevent cell propagation |
Fire Detection |
Heat, smoke, and gas detectors |
Fire Suppression |
Fire-fighting aerosol gas |
Compliances & Certifications |
UN38.3, UL1973, UL60730-1, UL9540A, UL9540 |






