BLUETTI B300K 2764.8Wh Extra Battery LiFePO₄ for AC200L/AC200MAX/AC300/AC500

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$969.0
Application
Agriculture/Farming, Back-up Power, Camping/Hiking, Commercial, Electronics, Home/Garden
Brand
BLUETTI
Charging Mode
MPPT (Maximum Power Point Tracking)
Color
Gray
Current Output
10 A or Less
Current Rating
3A-10A
Current Type
AC/DC
Features
All Daylight Conditions, Maintenance Free, Monocrystalline, Portable, Smart Module, USB Port
Item Length
20.67in
Model
Bluetti B300K
MPN
BLUETTI B300K
Net Weight
Approx. 29.5kg (65.04lbs)
Power
/
Size
525 × 327 × 209mm (20.67 × 12.87 × 8.23in)
Solar Technology
Monocrystalline
System Configuration
Grid-Tie
Type
Expansion battery
Unit Type
Unit
Voltage
100-120V
Warranty
4-year directly from Bluetti
UPC
193022000100
condition
Certified - Refurbished

Power Expansion for Every Situation




●[Boost Capacity] - This 2764.8Wh battery adds more power to power stations: AC200MAX, AC200L, AC300, and AC500, allowing you to upgrade your setup as your needs grow.
●[Support Mix Use] - Combine the B300K with other BLUETTI batteries like the B300, B300S, B230, and B210 for a seamless upgrade to your setup. For example, AC500+B300S+B300K = 5,836.8Wh.
●[Light Weight] - It weighs only 29.5kg / 65lbs and can be fixed to the wall. It greatly saves your indoor space and is also very convenient to carry outdoors.
●[Long-lasting Safety] - Upgraded LiFePO4 batteries with 4,000+ cycles, built-in cooling fan, and AI-powered BMS ensure stable and optimal performance for years to come.

●[What You Get] - BLUETTI B300K expansion battery, P090A battery expansion cable for power station AC200L AC300 AC200MAX and user manual.




FAQs



●Q1: How to upgrade the B300K?

●A: Connect the B300K to the power station and upgrade it via the BLUETTI app in Settings > Firmware Upgrade. Follow in-app instructions.



●Q2: Can it charge and discharge at the same time?
●A: Yes, the B300K supports pass-through charging.



●Q3: Why doesn't the B300K drain all its power?
●A: The B300K reserves some energy to avoid overdischarging and protect the battery's  lifespan. 



●Q4: Can I leave the battery uncharged after fully discharging?
●A: No, charge promptly after use to prevent damage. Keep the battery in the environment of at least 10°C (50°F) for at least 12 hours beforehand.





Preview


      BATTERY INFO

  • Model

    B300K

  • Battery Capacity

    2,764.8Wh (51.2V, 54Ah)

  • Battery Type

    LiFePO₄ (Lithium Iron Phosphate)

  • Life Cycles

    4,000+ Cycles to 80% Original Capacity

      OUTPUT

  • USB-A

    12W Max., 5V / 2.4A

      GENERAL

  • Net Weight

    Approx. 29.5kg (65.04lbs)

  • Dimensions (L × W × H)

    525 × 327 × 209mm (20.67 × 12.87 × 8.23in)

  • Charging Temperature

    0°C to 40°C (32°F to 104°F)

  • Discharging Temperature