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B500K1 Expansion Battery for AC200L AC300 AC200MAX AC200PL APEX300 AC500| 5120Wh
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B500K1 Expansion Battery for AC200L AC300 AC200MAX AC200PL APEX300 AC500| 5120Wh
Click or scroll to zoom
Tap or pinch to zoom
B500K1 Expansion Battery for AC200L AC300 AC200MAX AC200PL APEX300 AC500| 5120Wh
Click or scroll to zoom
Tap or pinch to zoom
B500K1 Expansion Battery for AC200L AC300 AC200MAX AC200PL APEX300 AC500| 5120Wh
Click or scroll to zoom
Tap or pinch to zoom
B500K1 Expansion Battery for AC200L AC300 AC200MAX AC200PL APEX300 AC500| 5120Wh
Click or scroll to zoom
Tap or pinch to zoom
B500K1 Expansion Battery for AC200L AC300 AC200MAX AC200PL APEX300 AC500| 5120Wh
B500K1 Expansion Battery for AC200L AC300 AC200MAX AC200PL APEX300 AC500| 5120Wh

B500K1 Expansion Battery for AC200L AC300 AC200MAX AC200PL APEX300 AC500| 5120Wh

$3,199.00
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BLUETTI B500K1 is a 4,960Wh high-capacity LiFePO₄ expansion battery designed for BLUETTI modular energy systems, compatible with models including Apex 300, AC200L, AC200MAX, AC300, and AC500. It provides flexible energy expansion, long cycle life, and reliable backup power for home, RV, and off-grid applications.

Features

  • 5.12 kWh, Lasts Up to 10 Years: Supplies reliable energy for years with over 4,000 cycles.
  • Scalable to 100 kWh: Easily expands your setup for partial, whole-home, or even small business backup.
  • Universal BLUETTI Compatibility: Works seamlessly with Apex 300, AC300, AC500, AC200L, AC200MAX, and upcoming models.
  • Part of a Smarter Power System: Pairs with SolarX 4K, Hub D1, and more for clean, connected energy.
  • More Durable & Safe: Wireless internal frame makes it resilient to real-world knocks and shocks.
  • Wall or Trolley Setup: Mount to save space or move with ease for flexible, convenient use.

B500K1 is a 5120wh expansion battery suitable for BLUETTI AC200MAX, AC300, AC200L, AC200PL APEX300 etc and it comes with a long P090-P090 cable.

If you have a APEX300 and want to stack a B500K under it please order B500K2.

Please note APEX300 can connect with B500K using the long cable comes with B500K . The only difference is the cable is long and flexible comparing to the short cable comes with B500K2.

You will need an extra P090-P150 cable if you want to connect B500K1/B500K2 with your AC500.

Description

Why Choose BLUETTI B500K?

Extend Your Backup Time

From outage protection to camping trips and off-grid working, the B500K keeps you powered for longer — more freedom and peace of mind.

 

Up to 100 kWh Massive Expansion

Increase your energy storage as needed, from 5.12 kWh to over 100 kWh*. The B500K battery is compatible with various BLUETTI power stations for easy, cost-effective upgrades. *Note：Achieved with 3*Apex 300 + 18*B500K units

 

Adapt to All Your Needs

The B500K either expands your BLUETTI power stations or serves as a high-capacity power bank with ecosystem components, delivering 700 W DC output for your devices. Note: P090D to P150D cable is required for connecting with AC500 and sold separately.

Made It Safe, Reliable, and Long-lasting

The B500K adopts advanced LiFePO₄ batteries for over a decade of safe use. Its third-gen wireless internal design and efficient cooling fan ensure stable performance, even in challenging conditions.

Fixed or Movable Setup

Secure the B500K to the wall or rack of your home or RV using its mounting holes, or attach it to the Foldable Trolley 2* for a mobile power supply. *Note： Fordable Trolley 2 sold separately.

BATTERY INFO

Capacity                                          5,120Wh
Type                                                LiFePO₄ (Lithium Iron Phosphate)
Life Cycles                                        4,000+ cycle to 80% original capacity

GENERAL

Compatible with AC200L, AC200PL,AC200MAX, AC300, AC500, Apex300, B300K
Weight                                            45 kg / 99.21 lbs
Dimensions (L x W x D)                  520 × 327 × 308.5 mm / 20.47 × 12.87 × 12.15 in
Charging Temperature                   0°C to 40°C / 32°F to 104°F
Discharging Temperature-             20°C to 40°C (-4°F to 104°F)
Storage Temperature
Up to 1 month:                               -20°C to 40°C (-4°F to 104°F)
Up to 6 months:                              -20°C to 25°C (-4°F to 77°F)
Working Humidity                            5% to 95%RH
Charging Current                              65A Max.
Discharging Current                         70A Max.
2 × Expansion Port                           58.4VDC Max., 90A Max.
Warranty                                           4 Years

 

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