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GWB 15kWh Hybrid Solar Energy Storage System

The GWB15kWh large-capacity hybrid solar energy storage system integrates power generation, energy storage and power conversion. It supports both on-grid and off-grid modes, delivering reliable green power around the clock. Fully equipped with all core components, it features easy installation and maintenance, making it an ideal sustainable energy solution for modern households.
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//Core Structure

  • Photovoltaic Power Generation Unit: High-efficiency monocrystalline PV modules + MPPT controller, converts solar energy to DC power. Suitable for long-term outdoor use, with high/low temperature and weathering resistance.

  • 15kWh Energy Storage Battery Unit: LiFePO4 battery pack + built-in BMS, rated 15kWh. Real-time monitoring of cell status, full protection against overload, short circuit, overcharge and overdischarge.

  • Hybrid Inverter Control Unit: Bidirectional hybrid inverter, supports PV DC, battery DC and mains AC access. Realizes AC/DC conversion, power distribution, voltage and frequency stabilization.

  • Intelligent Switching & Power Distribution: Integrated ATS, lightning protection and confluence modules, enabling seamless switching between mains, PV and stored energy.

  • Intelligent Monitoring & Communication: Cloud communication + intelligent management system, supports remote monitoring, data collection and parameter configuration.

//Core Functions

  • Self-generation & self-consumption, maximize solar energy utilization, reduce grid reliance.

  • Dual on-grid/off-grid mode, automatic emergency power supply when grid fails.

  • Peak-valley price arbitrage, cut electricity costs significantly for households and businesses.

  • Intelligent energy dispatch, fully automatic operation without manual intervention.

  • Pure sine wave output, stable voltage/frequency, compatible with various loads.

  • Multi-layer safety protection, all-weather stable operation.

//Product Advantages

  • Power range: 3kW/5kW/10kW/15kW/20kW/30kW, fit for diverse needs.

  • Ultra-long cycle life: Up to 6,000 cycles (25°C, 80% DOD).

  • Low maintenance, long lifespan, stable chemical performance.

  • Built-in BMS, comprehensive safety protection.

  • Ultra-low self-discharge, up to 6 months storage without sulfation.

  • High charge-discharge efficiency, fast charging.

  • High temperature resistance (+60°C), wide operating range (-20°C~+60°C).

  • Supports RS485, RS232, CAN communication protocols.

  • Strong compatibility with mainstream inverters.

  • All-in-one solution, easy installation.

//Application Scenarios

  • Households (Villas/Large Houses): Meets 15-25kWh daily consumption, supports home appliances and EV charging.

  • Small Businesses: Supermarkets, offices, small factories, reduces costs via peak-valley arbitrage, emergency backup.

  • Remote Areas: Independent off-grid power for rural areas, farms, outdoor base stations.

  • Temporary Scenarios: Construction sites, mobile offices, RV camps, flexible deployment.

//FAQ

  • Q1: Professional installation required?

    A1: Yes, to ensure safety, efficiency and valid warranty.

  • Q2: On-grid/off-grid support?

    A2: Dual-mode, automatic switch without manual operation.

  • Q3: Extreme temperature adaptability?

    A3: Operating range -20°C~+60°C, with temperature protection.

  • Q4: Capacity decay in winter?

    A4: Slight normal decay; low-temperature heating battery optional.

  • Q5: Daily maintenance?

    A5: Low maintenance, regular cleaning and annual inspection.

//Application Scenarios

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Phone: +86-193 3793 7338
              +86-199 1330 9175
Email: daniel@gwzk-electric.com
WhatsApp: +86-19337937338
Address: Shabei Industrial Park, Industrial Cluster Management Committee of Huaidian Hui Town, Shenqiu County, Zhoukou City, Henan Province, China
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