UPS / Microgrid Systems TGH33 Series 150–250kW PV-ESS All-in-One Microgrid UPS System
Energy storage product for B2B applications
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Advanced energy storage product engineered for reliable power applications, scalable supply, and global B2B project requirements.
Power campsite lighting, phones, cameras and other compatible low-power devices. The SRYG-300 offers 300W rated output plus USB, Type-C and 12V DC options for portable outdoor charging.

Bring portable power to scenic stops and vehicle-based outings. Charge phones, cameras and compatible 12V devices, keeping AC loads within the station's 300W rated output.

During a brief outage, use the SRYG-300 for selected low-power essentials such as LED lighting, phones or a router. The right devices and runtime depend on load and remaining battery charge.

Recharge through a compatible solar input and power mobile devices and suitable field equipment. Solar input is specified at 13–20V, 5A, with an 8A maximum; actual charging depends on panel and sunlight conditions.

| BASIC SPECIFICATIONS | |
| Model | SRYG-300 |
| Rated Power | 300W |
| BATTERY SPECIFICATIONS | |
| Battery Type | 18650 Lithium Battery |
| AC OUTPUT | |
| AC Output | 100–120V / 60Hz; 220–240V / 50Hz |
| CHARGING INPUT | |
| AC Charge Input | 12.6V / 5A, Max. 8A |
| Solar Charge Input | 13–20V / 5A, Max. 8A |
| DC Input Charge | 12V / 10A |
| USB & DC OUTPUT | |
| USB Output | QC3.0, Max. 24W × 3 |
| Type-C Output | Max. 40W |
| DC Output | 12V / 10A × 3 |
| ADDITIONAL FUNCTIONS | |
| LED Light | 10W |
| PHYSICAL SPECIFICATIONS | |
| Product Size | 290 × 198 × 275mm |
| Product Weight | 6kg |
Energy storage product for B2B applications
View Details →
Energy storage product for B2B applications
View Details →
Energy storage product for B2B applications
View Details →Founded in 2011 in Dongguan, Guangdong, VoltCrave Technology Energy is a green energy enterprise specializing in R&D, manufacturing and integrated energy storage solutions for residential, commercial and industrial applications worldwide.
Empower every home, business and journey with clean, safe and reliable energy.
Become a global leader in energy storage innovation and sustainability.
Customer Success, Integrity, Passion, Teamwork and continuous self-critique.
Strong production capacity, R&D depth, global certifications and scalable supply chain.
VoltCrave provides a complete product portfolio covering battery cells, assembled batteries, portable power stations, solar energy systems, all-in-one inverters, residential energy storage and commercial BESS solutions.
Automatic Production Lines
Units Monthly Capacity
R&D Team Members
Patents Including 420 Inventions
Strategic Production Bases
Dongguan · Huizhou · Zhejiang manufacturing network across the Greater Bay Area and Yangtze River Delta.
VoltCrave supports overseas buyers with major certification documents for product compliance, lithium battery transportation, quality management, and electrical safety verification.
Certification Documents
Supports hazardous substance restriction and environmental compliance.
Supports quality management and production process control.
Supports electrical material safety and product reliability review.
Supports lithium battery export logistics and shipment safety.
Supports portable power station safety and compliance review.
VoltCrave provides RoHS, ISO 9001, electrical product safety, lithium battery transportation safety, and UL2743 documentation support for overseas procurement and project review.
Read the latest updates on battery cells, portable power stations, solar energy systems, residential storage, commercial ESS, manufacturing capability, and global energy storage applications.
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