45V 200Ah 9kWh Sodium-ion DIY Battery Pack with JK 200A BMS, WiFi, Bluetooth & APP for Home Solar ESS

45V 200Ah 9kWh Sodium-ion DIY Battery Pack with JK 200A BMS, WiFi, Bluetooth & APP for Home Solar ESS

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MODEL: DIY Case Kits DIY Case Kits Case Kits + Sodium-ion 200Ah (16pcs)

SHIPPING FROM: China(45-60 days) China(45-60 days)

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DIY Battery Pack Test Videos

🔋 Build Your Own Sodium-Ion Energy Storage System

Our 45V 200Ah 9kWh Sodium-Ion DIY Battery Pack is designed for customers who want to build a reliable, flexible, and high-capacity home energy storage system.

Featuring Sodium-Ion battery technology and a JK 200A Smart BMS, this DIY battery pack provides intelligent battery management, active cell balancing, and multiple communication options for convenient monitoring and system integration.

The DIY design gives you the flexibility to build your own battery system according to your energy storage needs. It is ideal for home solar storage, off-grid systems, backup power, RVs, and other energy storage applications.

⭐ Key Features

🔋 9kWh High Energy Capacity
Provides approximately 9kWh of energy storage with a 45V 200Ah configuration, suitable for home and solar energy storage applications.

🧂 Sodium-Ion Battery Technology
Uses next-generation Sodium-Ion battery technology, offering an alternative solution for stationary energy storage applications.

⚡ JK 200A Smart BMS
Built-in JK 200A BMS provides comprehensive protection and intelligent battery management, helping monitor voltage, current, temperature, and cell balance.

⚖️ 2A Active Balancing
Built-in 2A active balancing helps maintain cell voltage consistency and improves the overall performance of the battery pack.

📱 Bluetooth & APP Monitoring
Monitor important battery parameters conveniently through Bluetooth and the JK APP.

📺 Smart Display
The integrated display provides convenient access to important battery information.

🛠️ DIY-Friendly Design
Designed for DIY battery builders, allowing you to assemble and configure your own Sodium-Ion energy storage system.

🔌 Expandable Energy Storage
Supports parallel connection, allowing you to expand your total energy storage capacity when required, subject to BMS and inverter compatibility.

☀️ Ideal for Solar Energy Storage
Suitable for home solar systems, off-grid applications, backup power, RVs, and other stationary energy storage projects.

📋 Product Specifications

Item	Description
Battery Type	Sodium-Ion
Nominal Voltage	45V
Battery Capacity	200Ah
Energy Capacity	Approx. 9kWh
BMS	JK Smart BMS
Maximum Continuous Current	200A*
Active Balancing	2A
Communication	Bluetooth / APP
Display	Smart Display
Application	Home Solar ESS / Off-Grid / Backup Power / RV
Design	DIY Battery Pack
Connection	Supports Parallel Connection*

* Actual operating current and parallel configuration depend on the selected cells, BMS settings, inverter, wiring, and installation conditions.

📦 Package Contents

Sodium-Ion DIY Battery Pack / Battery Box
JK 200A BMS
Display Screen
Bluetooth Communication Module
Active Balancer
Copper Busbars
Collection Wires
Communication Cables
Positive & Negative Terminals
Connection Strips
Screws and Accessories
Other required assembly accessories

🔌 Inverter Compatibility

The battery system can be used with compatible solar and hybrid inverters. Please confirm the inverter's battery voltage range, communication protocol, charging voltage, and discharge voltage before purchase.

Compatible inverter brands may include:

Deye, Growatt, PYLONTECH, Victron Energy, INVT, GoodWe, Voltronic Power, SRNE, Megarevo, LuxPowerTek, SMA, MUST, and other compatible inverter systems.

⚠️ Important Notes

Please confirm that your inverter supports the 45V Sodium-Ion battery voltage range before purchasing.
Sodium-Ion batteries have different charging and voltage characteristics from LiFePO4 batteries. Do not use LiFePO4 charging parameters without confirming compatibility.
The actual usable energy depends on the battery operating voltage range, BMS settings, inverter efficiency, and operating conditions.
Not suitable for severely damaged or swollen cells.
If you need help confirming compatibility with your inverter, please contact us before ordering.

📧 Contact Us :

More any questions about the BetterESS Power Battery?
Email: service@better-ess.com

Συχνές ερωτήσεις

Q1: What are the environmental features of this battery?

The battery is made from lithium iron phosphate (LiFePO4), an environmentally friendly material that does not contain heavy metals or rare metals. It is safe and stable, not prone to burning or exploding under high temperatures, impacts, or short circuit conditions.

Q2: How should this battery be maintained to prolong its lifespan?

Regularly check the battery's exterior and connections to keep them clean and dry. Avoid keeping the battery in a state of overcharge or deep discharge for extended periods. Be mindful of the ambient temperature during use; avoid charging in extremely cold conditions.

Q3: What are the installation requirements for this battery?

The battery can be installed in any position as it does not contain acid. Ensure that the battery is securely mounted to prevent vibrations and impacts during movement.

Q4: How long do BetterESS batteries last?

Our LiFePO4 lithium iron batteries can provide 2000+ cycles, which is significantly more compared to the 300–500 cycles typically found in lead-acid batteries. The service life of LiFePO4 batteries is 8 to 10 times longer than standard lead-acid batteries.

Q5: Are your batteries safe?

Yes, our LiFePO4 batteries are designed with safety in mind. They are manufactured using Automotive Grade LiFePO4 Cells, offering higher energy density, no memory effect, and more stable performance. The stable chemical structure of LiFePO4 ensures they do not burn or explode, even under high temperatures, short circuits, impact, or drops.

Q6: Are there any special handling or maintenance tips for this battery?

The LiFePO4 battery requires minimal maintenance. However, it is recommended to regularly check connections and ensure the battery is kept in a dry and ventilated space. Avoid exposure to extreme temperatures to prolong battery life.