Cold SUB’s modular LFP architecture powers homes and small businesses with reliable, efficient energy storage—delivering seamless backup, peak shaving and intelligent grid interaction.
Engineered with fire-resistant LFP cells and multi-level protection. Certified for UL9540A at the cell, module, and system level.
Feature
H25
H40
Device Capacity
25.7 kWh
41.5 kWh
Running Capacity
25 kWh
40 kWh
Required Output Energy
10 kW
10 kW
Internal Battery Voltage
48 – 54.4 V dc
48 – 54.4 V dc
Running Efficiency
>88%
>95%
Power Factor
0.8 Leading ~ 0.8 Lagging
0.8 Leading ~ 0.8 Lagging
Dimensions (W×H×D)
860 mm × 1300 mm × 280 mm
860 mm × 1750 mm × 280 mm
Battery Module Protection
IP65
IP65
Other Components Protection
IP54
IP54
AC Output Specification
120V/240V Split Phase
120V/240V Split Phase
Frequency
50Hz / 60Hz
50Hz / 60Hz
Residential solar energy storage
Backup power for homes and small offices
Seamless integration into rooftop solar or hybrid systems
Compatible with Cold Electric EMS for load optimization and energy monitoring
VPP-ready for trading excess energy in local or wholesale markets
Remote diagnostics and intelligent dispatch via cloud-based control



Our streamlined four-step process ensures your Cold SUB is up and running quickly—and performing at peak efficiency.
No extra cost, our engineers survey your site’s load profile, backup needs and mounting options to size your Cold SUB system.
We deliver a custom deployment plan covering module count, placement, electrical interconnection and EMS integration.
Certified technicians handle delivery, mounting, wiring and commissioning—so you get seamless, code-compliant startup.
Through the Cold Electric EMS portal you get 24/7 monitoring, automated health checks, firmware updates and dedicated support.
Everything you need to know about the product and billing. Can’t find the answer you’re looking for? Please Contact Us
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Flexible, safety-first battery systems tailored for homes, businesses, and grid-scale deployments.
Commercial-grade energy module
Seamlessly connects to Cold Electric’s EMS for real-time energy control and grid participation.
Choose between S90 or S100 models with peak power up to 60 kW and IP65-rated protection for demanding environments.
Delivers over 6,000 charge cycles and greater than 94% round-trip efficiency.
High-capacity industrial-grade system
Capacities up to 2,104 kWh of commercial and utility-level energy storage.
Flexible model lineup supports tailored deployment and easy scaling.
Cold Electric's products are UL9540A certified at the cell, module, and unit level to be fire safe
High-capacity grid-scale & commercial system
Delivers 200 kW peak output for campus, industrial or utility-scale applications.
Plug-and-play design supports up to four OG2 units in parallel for 1.6 MWh of flexible storage.
IP65-rated enclosure, active cooling and UL 9540A / UL 1973 / IEC 62619 certifications ensure fire-safe, reliable operation.