Household Energy Storage
Shanghai Walmay Group Co., Ltd.

11.52kWh high-voltage stacked energy storage battery
Solar compatibility, reduces grid reliance and bills.
IP54 Protection and flame retardant, ensures worry-free usage.
Wide capacity range supports 24/7 household demands.
Real-time monitoring prevents overuse, optimizing durability.
3~6 layers stacking, adapts to growing household energy needs.
+86 13287510939
+86 13287510939
info@walmaygroup.com
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11.52kWh high-voltage stacked energy storage battery
Overview

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 Factory Display
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Battery energy storage product features

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


Parameter Name11.52kWh (4 packs)14.4kWh (5 packs)17.28kWh (6 packs)
Cell TypeLithium Iron Phosphate (LFP)Lithium Iron Phosphate (LFP)Lithium Iron Phosphate (LFP)
Single Pack Capacity2.88kWh2.88kWh2.88kWh
Total Nominal Capacity11.52kWh14.4kWh17.28kWh
Nominal Voltage (DC)230.4V288V345.6V
Cell Capacity50Ah50Ah50Ah
PCS Rating10kW12kW15kW
System Current50A50A50A
Max PV Input Power12kW15kW18kW
Protection GradeIP54IP54IP54
Operating Temperature-10~55℃-10~55℃-10~55℃
Cycle Life (90% DoD)>6000 Cycles>6000 Cycles>6000 Cycles
Fire SuppressionAerosolAerosolAerosol
Single Pack Dimensions (L×W×H)652×203×177mm652×203×177mm652×203×177mm
Total Dimensions (L×W×H)652×203×708mm652×203×885mm652×203×1062mm
Total Weight~126kg~157.5kg~189kg
Communication ProtocolCAN/RS485CAN/RS485CAN/RS485
CertificationsCE, UN38.3, MSDS, RoHS, ISO9001/14001/45001CE, UN38.3, MSDS, RoHS, ISO9001/14001/45001CE, UN38.3, MSDS, RoHS, ISO9001/14001/45001

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.

 Product Application

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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- Warehouse inventory

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- Products that customers 

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- Storage product loading

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