PowerPlus Energy Whispr-7 Single-Phase All-In-One 7kW / 13.37kWh Residential BESS

The PowerPlus Energy Whispr-7 is a CEC approved, single-phase, all-in-one energy storage system designed for homes and small businesses seeking a reliable power solution.

It integrates a high-quality LFP battery, an advanced inverter and intelligent controls into a weatherproof IP65-rated case. This compact unit supports solar, generator and grid inputs, making it a versatile fit for a wide range of energy setups.

Built for performance and longevity, the Whispr-7 features seamless on-grid and backup switching in under 20ms, ensuring continuous power during outages. Its 13.37kWh capacity battery is engineered for 5000+ cycles, with 100% usable energy and a recommended depth of discharge of 95%. Backed by a 10-year (5+5) warranty, it offers both peace of mind and long-term reliability.

Perfect for homes aiming to cut energy bills while ensuring backup power, the Whispr-7 is VPP-ready and Clean Energy Council approved for use in Australia and eligible for the Cheaper Home Battery Rebate.

Main Features

Integrated Battery & Inverter: Includes a 7kW inverter and 13.37kWh LFP battery in one enclosure, reducing installation complexity.
Silent Operation: Natural cooling system with no fans or moving parts ensures quiet performance.
Flexible Input Options: Accepts AC, generator, and up to 200% PV oversizing across three MPPT inputs for efficient solar usage.
Fast Backup Switching: Switches from grid to backup in less than 20 milliseconds to protect sensitive loads.
Smart Connectivity: VPP-ready and supports remote monitoring via Modbus, Ethernet, Wi-Fi, and 4G.

Quick Specs

• Australian designed, engineered and supported
  
• Suitable for both on-grid and off-grid installations
  
• Battery Capacity: 13.37kWh (100% usable)
  
• Inverter Power: 7kW output, 7kW backup, 7kW generator input
  
• PV array oversizing of up to 14,000W (200%)
  
• Weight: 174kg total
  
• Dimensions: 1689mm (H) x 764mm (W) x 210mm (D)
  
• IP Rating: IP65 (outdoor rated)
  
• Certifications: IEC62619, IEC62040, AS4777.2, CSIP-AUS
  
• 95% recommended depth of discharge (DOD)
  
• 3x MPP Trackers / 3x String Inputs 
  
• Inbuilt backup functionality - 30.5A Nominal Current (<20ms switching time)
  
• 5 + 5-year Warranty
  
• CEC approved until 03/02/2028
  

About The Brand

PowerPlus serves as a trusted partner for dependable and enduring energy storage solutions. They specialise in the design and manufacturing of Australian-made batteries, cabinets, and BESS (Battery Energy Storage System) solutions tailored to various renewable energy projects. The company is deeply committed to assisting clients with their renewable energy storage requirements.

Specifications

PowerPlus Energy Whispr-7 Single-Phase All-In-One DATASHEET

PowerPlus Energy Whispr-7 Single-Phase All-In-One SAFETY DATASHEET

Manual

PowerPlus Energy Whispr-7 Single-Phase All-In-One QUICK INSTALLATION GUIDE

PowerPlus Energy Whispr-7 Single-Phase All-In-One PV GUIDE

PowerPlus Energy Whispr-7 Single-Phase All-In-One Connecting Smart Meter Connecting DIAGRAM

Warranty

PowerPlus Energy Whispr-7 Single-Phase All-In-One WARRANTY