Hoymiles

Hoymiles HiBattery 4020 S 4.02kWh Battery Storage Expansion Module

SKU: 2637

✓︎ Smart upgrade: Expands your system by 4.02 kWh.
✓︎ Cable-free: Minimalist and clean plug-in system.
✓︎ Seamless integration: Fully automatic detection.

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Delivery time: 3 - 6 Workdays

699,00 €

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Hoymiles HiBattery 4020 S 4.02kWh Battery Storage Expansion Module

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Description

Hoymiles HiBattery 4020 S is the perfectly matched expansion module for your existing Hoymiles storage system. With this additional battery block, you increase your capacity by a smart 4.02 kWh and make even more use of the solar power you generate yourself, instead of having to draw expensive electricity from the grid.

Your benefits at a glance

Maximum storage power: Secures additional solar energy for your household.
Seamless integration: Perfectly and exclusively matched to the HiBattery 4020 X base station.
Cable-free design: Simple stacking without any annoying cable clutter.
Flexible scalability: The system easily grows along with your increasing energy needs.

More capacity for maximum electricity cost savings

If your energy needs increase or you want to use your solar system more efficiently, your Hoymiles storage simply grows with you. Thanks to the innovative plug-in design, the 4020 S expansion module is literally attached to your existing base station in no time.

The intelligent battery management system detects the new storage unit immediately and fully automatically – no additional, complicated configuration is required. This way, you effortlessly secure even more valuable solar power for the evening and night hours, and step by step become completely independent from price fluctuations on the electricity market.

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GENERAL DATA (Expansion module only)
Model	Hoymiles HiBattery 4020 S
Device type	Battery expansion module (without inverter)
Capacity	4.02 kWh
Battery chemistry	LiFePO4 (LFP)
Charge cycles	> 8,000 (@ 70% SOH)
Service life	> 15 years
Dimensions (W × H × D)	520 × 275 × 199 mm
Weight	35 kg
Operating temperature	-20 °C to +55 °C
Protection class	IP66 (water- and dust-tight)
Warranty	10 years
SYSTEM COMPATIBILITY & INSTALLATION (Integration)
Compatible base module	Mandatory: Hoymiles HiBattery 4020 X
Maximum scalability	Up to 3 × 4020 S per base module (max. 16.08 kWh)
Installation & connection	Cable-free, modular plug-in design (stacking system)
Configuration	Plug-and-play (automatic detection by the base module)
SAFETY & PROTECTION (Hardware features)
Fire & overheating protection	Integrated aerosol fire extinguisher, pressure relief valve
Cell balancing	Automatic SOC balancing at pack level when expanding
BMS control	Centrally controlled via the dual MCU of the HiBattery 4020 X base module