Dyness Junior Box-DE LiFePO4 Battery

  • Category: Dyness LiFePO4 Battery
  • Features
  • Discover the Dyness Junior Box-DE 1.6kWh LiFePO4 balcony solar battery with 800W output, 1200W PV input and expandable storage up to 6.4kWh.

Product Description

Dyness Junior Box-DE 1.6kWh LiFePO4 Balcony Solar Storage System

The Dyness Junior Box-DE is a compact LiFePO4 battery energy storage system designed for balcony solar applications and residential energy management. With a 1.6 kWh storage capacity, it stores excess solar energy during the day for use when household electricity demand increases.

Featuring integrated MPPT functionality, an intelligent battery management system (BMS), and app-based monitoring, the Junior Box-DE helps improve solar energy self-consumption. Its stackable design supports expansion to a total capacity of up to 6.4 kWh, offering greater flexibility for different household energy needs.

With an IP-rated enclosure, RS485 communication, and a maximum output power of 800 W, the Dyness Junior Box-DE provides a space-saving solution for balcony PV systems, small residential solar installations, and everyday energy storage.

Key Features of Dyness Junior Box-DE

  • 1.6 kWh LiFePO4 Battery: Stores surplus solar energy for later household use.

  • Expandable to 6.4 kWh: Stackable design supports up to four compatible battery units in the specified configuration.

  • Integrated MPPT Controller: Supports solar PV input up to 1,200 W for efficient solar energy harvesting.

  • 800 W Maximum Output: Supplies stored energy to compatible household energy systems.

  • Smart BMS Protection: Monitors battery operation and supports safe charging and discharging.

  • App-Based Monitoring: Allows users to monitor system operation and energy storage status.

  • IP65 Protection: Designed to provide protection against dust and water jets under specified test conditions.

  • Long Cycle Life: Rated for at least 8,000 cycles under specified conditions.

  • Flexible Operating Temperatures: Supports charging from 0°C to 55°C and discharging from -20°C to 55°C.

  • Compact Balcony Solar Design: Provides a space-saving energy storage solution for residential PV applications.

  • 10-Year Warranty: Subject to the manufacturer's applicable warranty terms and conditions.

Detailed Specifications

Parameter

Specification

ModelJunior Box-DE
Battery ChemistryLiFePO4 (Lithium Iron Phosphate)
Nominal System Energy1.6 kWh
Maximum Expanded Energy6.4 kWh
Expansion MethodStackable
Maximum Configuration4 units total (1 Junior Box + 3 compatible expansion modules)
Maximum PV Input Power1,200 W
Maximum PV Input Voltage65 V DC
MPPT Voltage Range18–60 V DC
Maximum Input/Output Current30 A
Maximum Output Power800 W
Battery ManagementIntelligent BMS
MonitoringMobile App
Communication InterfaceRS485
Protection RatingIP65 (verify against the German datasheet revision)
Cycle Life≥8,000 cycles under specified conditions
Charging Temperature0°C to +55°C
Discharging Temperature-20°C to +55°C
Dimensions (W × D × H)420 × 283.5 × 245 mm
Weight19.4 kg
Warranty10 years, subject to warranty terms
Certifications / StandardsUN38.3, CE-EMC, IEC 62619, IEC 62109, CE-RED; regional approvals may vary

FAQAbout Dyness Junior Box-DE

Q1: What is the capacity of the Dyness Junior Box-DE?

The Dyness Junior Box-DE has a nominal energy capacity of 1.6 kWh per unit and supports expansion to a maximum of 6.4 kWh in the specified configuration.

Q2: What type of battery does the Junior Box-DE use?

The Junior Box-DE uses lithium iron phosphate (LiFePO4 or LFP) battery technology with an intelligent battery management system (BMS).

Q3: How many Junior Box battery units can be connected?

The specified system configuration supports up to four units in total, comprising one Junior Box and three compatible expansion modules.

Q4: What is the maximum PV input power of the Dyness Junior Box-DE?

The Junior Box-DE supports a maximum PV input power of 1,200 W, with a maximum input voltage of 65 V DC and an MPPT voltage range of 18–60 V DC.

Q5: What is the maximum output power of the Junior Box-DE?

The Junior Box-DE has a maximum output power rating of 800 W, subject to system configuration and applicable regional requirements.

Q6: Can I monitor the Dyness Junior Box-DE remotely?

Yes. The Junior Box-DE supports app-based monitoring and RS485 communication for system monitoring and management.

Q7: Is the Dyness Junior Box-DE suitable for outdoor installation?

The referenced datasheet specifies IP65 protection. Installation must still follow the manufacturer's instructions, including requirements for weather exposure, mounting, and electrical safety.

Q8: What is the cycle life of the Junior Box-DE?

The Junior Box-DE is rated for at least 8,000 cycles under specified test conditions. Actual cycle life depends on operating conditions and usage.

Q9: What is the operating temperature range of the Junior Box-DE?

The specified charging temperature range is 0°C to +55°C, while the discharging temperature range is -20°C to +55°C.

Q10: What applications is the Dyness Junior Box-DE designed for?

The Junior Box-DE is designed for balcony solar systems, residential PV energy storage, solar self-consumption, and small-scale household energy management.