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Sungrow Debuts PowerTitan 3.0 Storage and 4.8‑MW Modular Inverter at RE+ 2025

Pre-shipment UL9540 certification positions the lineup for faster U.S. deployment with grid-forming features for mission-critical reliability.

Overview

  • Sungrow says the PowerTitan 3.0 delivers 6.9 MWh in a 20‑foot ISO container for 2‑ to 8‑hour applications, built around a 661 Ah stacking LFP cell rated for 12,500 cycles.
  • The AC block debuts a 430 kVA liquid‑cooled SiC PCS with up to 99.3% peak efficiency and about 93.6% round‑trip efficiency in a four‑hour configuration.
  • System updates include five‑level state‑of‑charge balancing, a back‑to‑back layout that Sungrow says cuts footprint by 21% versus the prior model, and liquid‑cooled thermal management.
  • Safety and compliance features cited by the company include 11‑layer protection, ArcDefender, shipment with UL9540 certification, and meeting North American AHJ requirements.
  • For PV and C&I markets, Sungrow introduced a 4.8‑MW SG4800UD‑MV‑US modular inverter (800 kW per unit, hot‑swap modules under an hour, NEMA 4X, grid‑forming/off‑grid commissioning) and the PowerStack 255CS cabinet (257 kWh per unit, integrated PCS/BMS, scalable to 25 units, PCS up to 98.6% efficiency, system RTE 90%).