Dyness Junior Box User manual

Junior Box
USER MANUAL Balcony Solar System
File version-20231108-V1-EN Information might be subject to change without notice during product improving.
（Extended Battery）

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Product Overview
What's in the Box
Overview
Dyness Junior Box (Extended Battery)
User Manual
TOP
FRONT
BOTTOM
RIGHT
LEFT
Stack Connector

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➊BMS
➋Power Button
Button Controls
Button
Action
Function
Press for 3 seconds
Turn Junior Box on
Press for 3 seconds
Turn Junior Box off
Install Your Junior Box (Extended Battery)
Junior Box supports up to 3 stack expansions (Extended Battery) with a capacity of 6.4KWh
1. Ensure that all products are powered off.
2. Remove the rubber plugs from the top of the Junior Box (Extended Battery) (Hereinafter
referred to as “Extended Battery”) and the rubber plugs from the bottom of the Junior
Box.
3. Place the stack connector on top of the Extended Battery.
Getting Started
➊
➋
Stack Connector

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4. Stack the Junior Box on top of the Extended Battery with the connector aligned.
5. Press the power button for 3 seconds to turn on your Extended Battery.
When powered on, the BMS status LED will display blue .
Blue light
Install the stack connector on the battery expansion port
on the top of the bottom module

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Storage andMaintenance
For optimal performance, follow the instructions below to store and maintain your Extended
Battery regularly.
Keep the product on a flat surface when using, charging, and storing.
Use a cotton cloth and water to clean. Do not use steel wool or other hard materials for
cleaning.
For long-term storage, charge and discharge Junior Box once every 3 months (discharge
Junior Box to 20%, then recharge it to 80%).
If the BMS fails, it can be removed and replaced with a new BMS, as shown in the
following figure. Before removing the BMS, ensure that the battery is turned off.
➊ Insert two flat-head screwdrivers into the middle of the BMS
➋ Pull out the BMS that needs replacing

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BASIC
Battery Type
LiFePO4
System Energy
1.6KWh
Dimensions
420mm*283.5mm*245mm
Weight
14KG
Protection Level
IP55
Cycle Life
≥8000 Cycles
Warranty
10 Years
Charging Temp. Range
0 °C to 55 °C
Discharging Temp. Range
-20 °C to 55 °C
APP
Yes
Expansion
Expansion Method
Stackable
Maximum Expansion Modules
4
(Junior Box+3Extended Battery)
Maximum expansion energy
6.4KWh
Specifications are subject to change without notice.
➌ Insert the new BMS
Specifications

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Safety Information
1. Please carefully read the documents before installing, operating or maintaining the
equipment. The documents are subject to change due to product updates or other
reasons.
2. Do not put heavy objects on the equipment.
3. Ensure that all cables and connectors are intact and dry before connecting to prevent
electric shocks.
4. Do not install or operate the equipment in extreme weather events such as lightning,
snow, heavy rain, strong wind and so on.
5. Do not damage, smear or rip off any warning labels on the equipment.
6. Do not hit, pull, drag, squeeze or step on the equipment, or throw it into the fire, as there
is risk of explosion.
7. After installing, please clean the remains of the installation, such as boxes, clipped cable
ties, ripped insulation materials, etc.
8. Do not modify or repair the equipment, please contact our customer service or qualified
personnel if necessary.
9. Use tools and the equipment correctly to prevent personal injuries and product damage.
10. Understand the components and function of the grid-tied PV power system. Make sure
that all electrical connections, and voltage and frequency at the connection point meet
the local microinverter grid-tie requirements and electrical standards.
11. The installation location should be convenient for you to put out the connectors.
12. Before you pull out the AC (or battery) connector from the microinverter, disconnect the
cable from the AC socket (or battery's) end.
13. Do not clean the product with harmful chemicals or detergents.
14. Misuse, dropping, or excessive force may cause product damage.
15. Do not use or store this product in direct sunlight for a long period, such as in a car, cargo
bed, or any other place where it will be exposed to high temperatures. Doing so may
cause the product to malfunction, deteriorate, or generate heat.
16. Do not use this product near strong static electricity or strong magnetic fields.
17. Do not immerse the product in water. If the product accidentally falls into water, place it
in a safe, open place and keep it away from fire until it is completely dry.

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Environment requirements
1. Make sure the equipment is installed, operated or stored in a well ventilated place.
2. Do not install or operate the equipment near flammable, explosive, corrosive, caustic or
moist sources.
3. Do not expose the equipment to strong electromagnetic fields to avoid radio
interference.
Customer Service
Email：[e-mail]
Tel：[phone]
Web：www.dyness.com
For more details, please scan the QR code or visit: https://www.dyness.com/qa
Or scan the QR code below:

No. 511 Chenzhuang West Road, Sanshui Street,
Jiangyan District, Taizhou City
Address:
Email: ser[email protected]
Tel: [phone]
Web: www.dyness.com Official Website Digital version access