Growatt APX 5.0–30 kWh High-Voltage Battery System
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Estimated Delivery:Dec 01 - Dec 05
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Free Shipping & Returns: On all orders over $75
Growatt APX 5.0–30 kWh High-Voltage Battery System
The Growatt APX is a modular, stackable high-voltage LiFePO₄ (LFP) battery system designed for the Growatt MIN series (3800–11400TL-XH-US) grid-tie inverters. It offers flexible capacity scaling from 5 kWh up to 30 kWh, with high efficiency, safety certifications (UL 9540, CEC listed), and comes with a 10-year warranty. Perfect for residential or small commercial solar storage.
Key Features & Benefits
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Modular & expandable: Start with a single 5 kWh module and scale to 30 kWh as needed.
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High-Voltage architecture: Operates in a nominal high-voltage range (≈ 385 V with a broader operating window) to reduce wiring losses and maximize inverter compatibility.
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Efficient energy optimization: Each module features built-in BMS with multiple protection levels (overvoltage, undervoltage, overcurrent, temperature, etc.).
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Safe & certified: Certified with UL 9540 and listed in CEC (California Energy Commission) for residential energy storage systems.
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Long-lasting chemistry: Uses cobalt-free LiFePO₄ cells for long cycle life, high thermal stability, and safety.
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Power & performance: Designed to work harmoniously with Growatt MIN inverters, enabling efficient energy storage integration.
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Robust & flexible installation: IP-rated/enclosure designs suited for indoor or sheltered outdoor installations depending on unit.
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10-Year Warranty: Backed by manufacturer support and warranty coverage for residential/commercial deployments.
Typical Specification Highlights
| Parameter | Typical Value / Range |
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| Base Module Capacity | 5 kWh |
| Expandable System Size | Up to 30 kWh (stackable modules) |
| Nominal Voltage | ~ 385 V |
| Operating Voltage Window | ~ 330–450 V |
| Peak Output Power (per module) | ~ 3.5 kW (60 s) |
Usage & Compatibility Notes
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This battery system is specifically designed to pair with Growatt MIN series (3800–11400TL-XH-US) grid-tie inverters, enabling you to add energy storage capability to existing or new solar systems.
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When scaling up, you can connect multiple power control modules in parallel to increase total capacity and output.
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Ensure correct input voltage matching and that inverter firmware supports high-voltage battery integration.
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Proper ventilation, temperature control, and environmental protection are essential for optimal performance and longevity.
Document: Specification Sheet
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
