The BLUETTI B300K is a robust 2764Wh LiFePO₄ expansion battery, purpose-built to increase the energy capacity of your BLUETTI AC200L, AC200MAX, AC300, or AC500 setups. Offering 4000+ cycles and fast 45-minute charging to 80% (when paired with AC300 or AC500), it ensures durable, scalable, and safe power for any off-grid or backup scenario.
Key Features:
Capacity: 2764Wh
Battery Type: Automotive-grade LiFePO₄ (4000+ Cycles)
Max Input: 60A
USB-A Output: 5V / 2.4A
Fast Charging: 0–80% in just 45 mins (AC300/AC500)
Compatible with AC200L / AC200MAX / AC300 / AC500
Up to 16,588Wh total capacity with AC500 + multiple batteries (cable sold separately)
Size: 52.5 × 32.7 × 20.9 cm | Weight: 29.5 kg
Warranty: 36 Months (Extendable to 48 via product registration)