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Power Expansion for Every Situation

AC300 + B300K
AC500 + B300K
AC200L + B300K
AC200MAX + B300K
The B300K adapts to your life, whether you're safeguarding your home during outages or powering an off-grid adventure. Stack multiple B300K batteries, or mix and match with B300 for a customized energy solution that ensures you're never caught without power, no matter where you are.

Great Compatibility for More Possibilities

Built to Protect, Designed to Last

Fast Charging Comes in Handy

A Standalone Power Source, A Standout Performance

Compare

Capacity
Battery Type
Life Cycles
USB-A Output
Dimensions
Weight
Warranty
Compatibility

B300K

2,764.8Wh
LiFePO₄
4,000+ (80%)

1* 5V/2.4A, 12W

52.5 x 32.7 x 20.cm

20.67 x 12.87 x 8.23in

29.5kg / 65.04lbs
3+1 Years

AC200L, AC200MAX, AC300, AC500

B300

3,072Wh
LiFePO₄
3,500+ (80%)

1* 3.6V-12V / 3A, 18W

52 × 32 × 26.6cm

20.5 x 12.5 x 10.5 in

36.1kg / 79.6lbs
4 Years
AC200L, AC300, AC500

B300S

3,072Wh
LiFePO₄
3,500+ (80%)

1* 3.6V-12V / 3A, 18W

52 x 32 x 26.6cm

20.5x12.6x10.4in

38kg / 83.8lbs
4 Years
AC500

B230

2,048Wh
LiFePO₄
3,500+ (80%)

1* 3.6V -12V / 3A, 18W

42 x 28 x 22.7cm

16.5 x 11.0 x 8.91in

21.8kg / 48lbs
4 Years
AC200MAX, AC200P, EB150, EB240, AC200L
Tech Specs

B300K

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

    -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

    60A Max. (Current may decrease outside specified temperatures)

  • Discharging Current

    70A Max.

  • 2 × Expansion Port

    58.4VDC Max., 90A Max.

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