B300K Expansion Battery
x 2














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5,529.6Wh Expansion Battery

2*B300K for Apex 300
5,529.6Wh Expansion Battery
Your Power Station
Product Model
5,529.6Wh Expansion Battery
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Swift Delivery
Global Warranty
Lifetime Support
BLUETTI B300K Expansion Battery | 2,764.8Wh
Your System
Cash Price*$0.00
If you have any questions?
Please Contact Us, and we will be ready to help you with any questions.
The B300K seamlessly integrates with AC200L, AC200MAX, AC300, Apex 300 and AC500* power stations, giving you the flexibility to scale your energy setup as your needs grow. Whether you're prepping for more power at home or gearing up for your next adventure, the B300K has you covered.
* A P090D to P150D cable is required for connecting with AC500 and sold separately.
The B300K is designed to excel in safety and reliability. Featuring square LiFePO₄ batteries and cutting-edge AI-BMS technology, together with a robust aluminum casing, advanced wireless components, and efficient cooling fan ensure this battery stands the test of time, giving you a power source you can count on in any situation.
When paired with the AC300 or AC500, this battery charges up to 80% in just 45 minutes, so you can get back to what matters without any significant interruption, your work, activities, or emergencies ...whether you're at home or on the go.
The B300K isn't just an add-on; it's also a versatile power hub. With a USB-A port, it's perfect for keeping your essentials like smartphones, tablets, or fans charged, whether you're ready to make an urgent call or message, eager to share beautiful moments with your friends, or try to stay cool while camping in a tent. Power is always within reach, wherever life takes you.
B300K | B300S | B230 | |
|---|---|---|---|
| Battery Capacity | 2,764.8Wh (51.2V, 54Ah) | ||
| Battery Type | LiFePO₄ (Lithium Iron Phosphate) | LiFePO | LiFePO₄
|
| Cycle Life | 6,000+ (80%) | 3,500+ (80%)
| 3,500+ (80%)
|
| USB-A Port | 12W Max., 5V / 2.4A
| 1* 3.6V-12V / 3A, 18W | 1* 3.6V -12V / 3A, 18W
|
| Weight | 29.5kg (65.04lbs)
| 38kg / 83.8lbs
| 21.8kg / 48lbs
|
| Dimensions (L × W × H) | 52.5 × 32.7 × 20.9cm (20.67 × 12.87 × 8.23in) | 52 x 32 x 26.6cm 20.5x12.6x10.4in | 42 x 28 x 22.7cm 16.5 x 11.0 x 8.91in |
| Warranty | 3+1 Years
| 4 Years
| 4 Years
|
| Compatibility | AC200L, AC200MAX, AC300, AC500, Apex 300
| AC500 | AC200MAX, AC200P, EB150, EB240, AC200L
|
Battery Capacity | Battery Type | Cycle Life | USB-A Port | Weight | Dimensions (L × W × H) | Warranty | Compatibility | ||
|---|---|---|---|---|---|---|---|---|---|
B300K | 2,764.8Wh (51.2V, 54Ah) | LiFePO₄ (Lithium Iron Phosphate) | 6,000+ (80%) | 12W Max., 5V / 2.4A
| 29.5kg (65.04lbs)
| 52.5 × 32.7 × 20.9cm (20.67 × 12.87 × 8.23in) | 3+1 Years
| AC200L, AC200MAX, AC300, AC500, Apex 300
| |
B300S | LiFePO | 3,500+ (80%)
| 1* 3.6V-12V / 3A, 18W | 38kg / 83.8lbs
| 52 x 32 x 26.6cm 20.5x12.6x10.4in | 4 Years
| AC500 | ||
B230 | LiFePO₄
| 3,500+ (80%)
| 1* 3.6V -12V / 3A, 18W
| 21.8kg / 48lbs
| 42 x 28 x 22.7cm 16.5 x 11.0 x 8.91in | 4 Years
| AC200MAX, AC200P, EB150, EB240, AC200L
|
B300K Expansion Battery
x 2
Battery Connection Cable (CA90)
x 2
User Manual
x 2
A: Once you receive your product, please register to claim your warranty on our website.




