The B300K is a high-capacity LiFePO₄ expansion battery crafted to work seamlessly with compatible BLUETTI power stations (such as AC200L, AC200MAX, AC300, and AC500). Ideal for extending runtime, enabling scalable energy systems, and providing backup power for home, adventure, or professional use.
Why Choose BLUETTI B300K?
-
Massive Energy Storage
Provides 2764.8Wh of storage per unit—ideal for powering essential appliances and devices for extended periods. -
Durable, Long-Life Battery
Equipped with premium LiFePO₄ cells and advanced Battery Management System (BMS), offering over 4,000 cycles to 80% capacity. -
Modular & Expandable
Connect up to 8 B300K units for a combined storage capacity of over 22,000Wh. Scales effortlessly without complex setup. -
Fast Recharging
When paired with compatible systems, recharges from 0 to 80% in about 45 minutes—keeping downtime to a minimum. -
Standalone Output Option
Includes a built-in USB-A port for directly charging mobile devices and small electronics, even without a power station. -
Safe & Reliable Design
Constructed with a durable aluminum shell, active cooling, and complete protection against overcharging, overheating, and short circuits.
Specifications
| Feature | Details |
|---|---|
| Capacity | 2764.8Wh (51.2V, 54Ah) |
| Battery Type | LiFePO₄ (Lithium Iron Phosphate) |
| Lifecycle | 4,000+ cycles to 80% capacity |
| USB-A Output | 12W max (5V / 2.4A) |
| Compatibility | AC200L, AC200MAX, AC300, AC500 |
| Weight | Approx. 29.5 kg |
| Dimensions | 525 × 327 × 209 mm |
| Operating Temp. | Charge: 0°C to 40°C / Discharge: -20°C to 40°C |
| Expansion Ports | 2 × 58.4VDC (max), 90A max |
| Warranty | Up to 4 years |
What’s Included
-
BLUETTI B300K Expansion Battery
-
Expansion Cable
-
User Manual
Ideal For
-
Expanding home battery storage systems
-
Off-grid cabins and solar-powered RV setups
-
Emergency power preparedness
-
High-capacity energy needs for professional and outdoor use
