The Topband M125G261A packs battery, 125 kW PCS, BMS, EMS, liquid cooling, and fire protection into one outdoor cabinet occupying just 1.35 m² — for peak shaving and photovoltaic self-consumption in commercial and industrial sites.

Technical specifications

• Rated capacity / power: 261 kWh / 125 kW
• Battery: LFP, five 166.4 V / 314 Ah liquid-cooling modules (832 V cluster)
• DC range: 728–949 V; AC 400 V three-phase four-wire, 180 A
• Max charge/discharge current: 172 A
• Cooling: intelligent 5 kW liquid cooling — 3 °C cell temperature spread, +20% life vs. air cooling
• Protection: IP54, C3 corrosion class; three-level protection + three-level fire (module/cluster/water) with aerosol suppression
• Design life: 15 years; conforms to GB/T 36276
• Dimensions / weight: 1000 × 2250 × 1350 mm, 2,500 kg
• Management: built-in EMS + Topband cloud (remote monitoring, revenue calc, OTA); RS485 / Ethernet / CAN; mobile app
• Environment: −20 to 55 °C, altitude to 3,000 m