The Ampace PR-S4 is a residential energy storage system built on cutting-edge semi-solid state battery technology. Purpose-built for modern homes, it features a 40% reduction in volume, superior safety architecture, and long-lasting performance—even under extreme weather conditions. Its compact, modular form factor makes it ideal for both new installations and retrofitted systems.
Ultimate Safety
The PR-S4 sets a new benchmark in battery safety with multiple layers of fault-resilient engineering:
- Semi-solid state battery technology for enhanced thermal and chemical stability
- Anti-thermal propagation shielding to prevent cascading failures
- AI-powered predictive monitoring for real-time fault detection
- Multi-level redundant protection architecture
- Certified to UL 9540A and ISO 13849 PL d safety standards
High Performance & Durability
Engineered to withstand the harshest conditions, the PR-S4 ensures long-lasting and reliable energy storage:
- ≥15,000 cycle life (tested with Kunlun cells at 25°C, 0.5C/0.5C)
- Operates reliably from -20°C to 50°C
- IP66-rated enclosure with 72-hour waterproof protection
- Available in a nominal energy range from 6.7 kWh to 40.4 kWh
- Backed by a 15-year extended warranty
Scalable, Smart Design
The PR-S4 is designed with plug-and-play flexibility in mind, offering:
- Modular “Plug-and-Go” architecture for easy installation
- Smart parallel scalability up to 10 units with a smart controller
- Built-in 10% SOC (State of Charge) balancing per day
- Supports CAN/RS485 communication protocols
- Compatible with both new and existing home energy systems
Whether it’s used for off-grid independence, backup power, or peak-load shaving, the Ampace PR-S4 is a future-ready household energy storage system that combines advanced battery chemistry with intelligent control—delivering unmatched performance, configurability, and peace of mind.
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