
TWS Technology has achieved a major milestone in the North American market: the Max-Classic C&I Cabinet, PowerMod Container, and PowerCore Container have all officially received certification from the California Energy Commission (CEC).
This listing confirms that our products meet the most stringent energy efficiency and environmental standards in the United States. For our partners, this isn’t just a certificate—it is a “pass” to unlock critical subsidies like the California Self-Generation Incentive Program (SGIP), significantly improving project ROI.

High-Performance Solutions for Diverse Needs
Each of these three products is engineered to solve specific energy challenges while maintaining global compliance (including UL1973, UL9540A, and IEC62619).
1. Max-Classic: The C&I Innovator
Designed specifically for Commercial and Industrial (C&I) scenarios where efficiency and safety are paramount.
- Innovation: Features a breakthrough liquid-cooling system and a streamlined design (without PCS) to precisely match industrial loads.
- Protection: IP55-rated with an integrated aerosol fire suppression system.
2. PowerMod: Flexibility in Any Environment
The versatile choice for projects requiring scalable capacity and extreme durability.
- Adaptability: Supports configurations from 1677kWh to 2515kWh.
- Durability: Operates reliably from -20°C to 55°C and at altitudes up to 4,000 meters.
- Safety: Features a four-fold suppression system (Aerosol + Gas Detection + Ventilation + Water).
3. PowerCore: Large-Scale Performance
Built for high-capacity, utility-scale storage needs.
- Capacity: High-density storage reaching 5031kWh.
- Efficiency: Optimized for 2-hour charge/discharge cycles with a rate of ≤0.5P.
- Reliability: Combines IP55 protection with advanced aerosol safety barriers for high-power operations.
Driving the Low-Carbon Transition
By securing the CEC listing, TWS Technology is deepening its commitment to the North American market. We are helping our partners leverage policy benefits and high-efficiency technology to lead the global transition toward a sustainable, low-carbon future.
Ready to unlock SGIP subsidies for your next project? Contact our experts to find the right energy storage solution for your needs.