Walmay 11.52kWh High-Voltage Stacked Energy Storage System is a home-focused high-voltage energy storage solution launched by Shanghai Walmay Group.
It adopts 4 stacked LFP battery packs (2.88kWh each), leveraging the Group’s steel-derived precision manufacturing and materials science.
With high-voltage design (230.4V DC), 6000+ cycle life and IP54 protection, it meets large household energy needs like PV matching and 24/7 power supply.






Walmay battery energy storage features
1、High-Voltage Efficiency: 230.4V DC voltage, reducing energy loss during transmission, suitable for high-power home scenarios.
2、Flexible Stacking: Available in 11.52kWh (4 packs), 14.4kWh (5 packs), 17.28kWh (6 packs) to fit diverse energy demands.
3、Premium Safety: IP54 protection + aerosol fire suppression, resisting dust, splashing water and fire risks.
4、PV Compatibility: Matches mainstream household PV systems, enabling efficient solar energy storage and utilization.
Walmay battery energy storage important attributes
Why choose Walmay battery energy storage
1、Real-Time Monitoring: Supports remote monitoring of battery status via APP/cloud, preventing overuse.
2、Flame-Retardant Design: Flame-retardant materials for battery casing, enhancing safety in home environments.
3、Easy Maintenance: Modular structure, enabling quick replacement of faulty packs without system shutdown.
4、Brand After-Sales: 7×24h support via Walmay’s global network (50+ countries) + 5-year warranty.
1、Large Household PV Storage: Stores massive rooftop PV power, reducing grid reliance for 24/7 use.
2、High-Power Home Appliance Supply: Powers air conditioners, electric water heaters, and ovens stably.
3、Peak-Valley Arbitrage: Charges at low-price periods, discharges at high-price periods to cut electricity costs.
4、Home Energy Backup: Ensures continuous power for medical devices and daily appliances during outages.
- storage system packaging and transportation -
WALMAY has a stock of common energy storage products. The packaging standards meet the international transportation requirements of energy storage products to ensure transportation safety.

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- Products that customers

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