Pylontech Force H3 20.48kWh High Voltage Battery Bank & BMU
Product Description
Pylontech Force H3 20.48kWh High Voltage LiFePO4 Solar Battery System
Modular High-Voltage Stackable Lithium Energy Storage System UK
Why choose the Pylontech Force H3 20.48kWh High Voltage Battery Stack?
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High-Voltage System Efficiency: Operating at 409.6V DC nominal voltage, this high-voltage system reduces transmission energy loss and optimizes overall round-trip efficiency when paired with high-voltage hybrid inverters.
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1C Fast Charge & Discharge Capability: Supports up to 20.48kW continuous output power, allowing high-power appliance operation and rapid battery charging during cheap off-peak grid tariffs.
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IP55 All-Weather Outdoor Protection: Heavy-duty IP55-rated housing provides robust protection against water, dust, and environmental exposure, making it suitable for utility rooms or outdoor wall-adjacent installations.
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Cable-Free Vertical Stacking: Features quick-interlocking stacking connectors that eliminate external inter-module power cabling for a clean, floor-standing setup.
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Superior Cycle Life & Usable Energy: Delivers 95% Depth of Discharge (DoD) with 8,000+ operational charge cycles for an expected service life of up to 15 years.
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Scalable Architecture: Expand up to 35.8kWh on a single tower (up to 7 modules per tower), or parallel up to 6 towers for a total system capacity of up to 215kWh.
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Universal Inverter Compatibility: Seamlessly communicates via CAN-bus and Modbus RTU protocols with leading high-voltage hybrid inverters.
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Dedicated UK Support: Direct technical advice, system sizing guidance, and UK warranty backup from Get Green Energy.
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Fast UK Delivery: Dispatched directly from Get Green Energy.
Technical Specifications & Package Dimensions
Pylontech Force H3 20.48kWh High Voltage Battery Kit
| Feature | Specification |
| Model / SKU | Pylontech Force H3 20.5kWh / PYL-F-H3-BATT-BMU-20.5 |
| Included Controller / Base | 1 × Pylontech Force H3 BMU Controller with Base & Cable Set (PYL-F-H3-BMU-BASE) |
| Included Battery Modules | 4 × Pylontech Force H3 5.12kWh HV Battery Modules (PYL-F-H3-BATT) |
| Nominal System Voltage | 409.6 V DC |
| Operating Voltage Range | 345.6 V DC to 460.8 V DC |
| Total Capacity | 20.48 kWh (20,480Wh Total / ~19.45 kWh Usable Energy) |
| Depth of Discharge (DoD) | 95% |
| Ingress Protection Rating | IP55 (Indoor & Outdoor Rated) |
| Battery Cell Chemistry | Premium Prismatic LiFePO4 (Lithium Iron Phosphate) |
| Cycle Life | 8,000+ Cycles (25°C, 80% capacity retention) |
| Max. Continuous Power Output | 20.48 kW (1C Rating) |
| Peak Surge Power Output | 21.20 kW (15 seconds) |
| Max. Continuous Current | 50 A DC |
| Tower Expansion Limits | 2 to 7 Modules per Tower (10.24kWh to 35.84kWh per tower) |
| Parallel System Limits | Up to 6 Towers in Parallel (Up to 215 kWh Total) |
| Communication Protocols | CAN-bus / Modbus RTU |
| Operating Charge Temperature | -10°C to +55°C |
| Operating Discharge Temperature | -20°C to +55°C |
| Overall System Dimensions (W × D × H) | 540 mm × 350 mm × 870 mm |
| Individual Battery Weight | 42.00 kg (92.6 lbs) each (168.00 kg total for 4 modules) |
| BMU & Base Weight | 20.20 kg (44.5 lbs) |
| Total System Net Weight | 188.20 kg (414.9 lbs) |
| Certifications | UL1973, UL9540, UN38.3, CE |
| Manufacturer Warranty | 10 Years |
What's Included in the Box?
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4 × Pylontech Force H3 5.12kWh High Voltage Battery Modules (PYL-F-H3-BATT)
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1 × Pylontech Force H3 BMU Control Top Unit & Base Plate (PYL-F-H3-BMU-BASE)
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1 × Complete System Communication & Power Cable Set
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1 × Grounding & Tower Mounting Fastener Kit
Need Help Sizing or Installing Your High-Voltage Solar Storage System?
If you have questions about high-voltage inverter matching, tower clearance dimensions, main DC power cable sizing, or configuring multi-tower installations, give us a call on 01684 642370 and our technical team at Get Green Energy will help you configure the perfect setup.