If you're searching for a reliable, powerful backup for home or a solid companion for outdoor adventures, the BLUETTI B300K could be just what you need. This article will explain what makes the B300K unique, its features, and how it stacks up against the B300 model. Whether prepping for unexpected power outages or gearing up for a road trip, we'll help you decide which model fits your lifestyle best.
What is the BLUETTI B300K?
The BLUETTI B300K is a powerful, high-capacity battery that can store much energy. It is designed for people needing reliable power at home, during emergencies, or outdoors. With a battery capacity of 2,764.8 watt-hours (Wh), it's perfect for running your essential devices and appliances for long periods. This model is built with a particular type of battery called Automotive-Grade LiFePO₄, known for lasting a long time — over 4,000 charging cycles — and for being safer and more durable than standard batteries.
One of the best features of the B300K is its ability to work with other BLUETTI power stations like the AC200L, AC200MAX, AC300, and AC500. This means you can connect the B300K to these power stations to create a more extensive energy system, giving you even more power. For example, suppose you connect it with the AC500. In that case, you can use AC500 to connect 6 packs of B300K batteries and expand your energy storage to a massive 16,588Wh, enough to run larger appliances or power multiple devices for an extended period.
The B300K also has a built-in USB-A port to charge smaller devices, like phones or tablets, directly from the battery. This makes it handy for both everyday needs and emergencies. Whether you're using it to keep your home running smoothly during power outages or to stay powered up while camping, the B300K is designed to be dependable, easy to use, and versatile enough to fit a range of energy needs.
Technical Specifications
The BLUETTI B300K Battery has impressive technical specifications, making it a powerful and versatile battery for different needs. Here's a simple breakdown of the critical details:
1. Battery Capacity
The B300K has a battery capacity of 2,764.8 watt-hours (Wh). This is like a storage tank that can hold much energy, enough to power small to medium devices for several hours or even days, depending on their energy needs.
2. Battery Type
It uses automotive-grade LiFePO₄ (Lithium Iron Phosphate) battery cells, known for their long lifespan and safety. LiFePO₄ batteries are more stable than traditional lithium-ion batteries, making them safer and less likely to overheat or degrade quickly.
3. Lifespan
The B300K is rated for 4,000+ life cycles. A "cycle" is one full charge and discharge of the battery. With over 4,000 cycles, it can last many years, even if you use it daily before it loses efficiency.
4. Weight and Dimensions
The B300K weighs approximately 29.5 kg (about 65.04 lbs), which is hefty but manageable for a high-capacity battery. Its dimensions are 20.67 x 12.87 x 8.23 inches, making it a compact, portable design for a battery with this much capacity.
5. Output Port
The battery includes a USB-A port, which you can use to charge smaller devices like smartphones, tablets, or other USB-powered devices. The USB-A port has a maximum power output of 12 watts (5 volts / 2.4 amps), making it handy for charging essentials on the go.
6. Charging Conditions
Charging Temperature: The battery is best charged in temperatures between 0°C to 40°C (32°F to 104°F). Discharging Temperature: It can be safely used in temperatures from -20°C to 40°C (-4°F to 104°F).
Storage Temperature: The battery should be stored between -20°C to 40°C (-4°F to 104°F) if stored for up to a month, but ideally between -20°C to 25°C (-4°F to 77°F) for more extended storage up to six months.
7. Charging and Discharging Current
Charging Current: The battery can handle a maximum charging current of 60 amps, which can be reduced if charged outside its recommended temperature range.
Discharging Current: When using it to power devices, it can handle up to 70 amps, allowing it to support high-power devices without issues.
Design and Portability
The BLUETTI B300k Expansion Battery is designed with practicality, making it both powerful and relatively easy to handle for a large battery.
High Compatibility:
The BLUETTI B300K can connect with multiple BLUETTI power stations, like the AC200L, AC200MAX, AC300, and AC500. This means you can add it to an existing power station setup, instantly boosting your power capacity. If you already have a BLUETTI system, adding the B300K can give you more energy without changing your setup.
Sturdy Build:
The outer case is made from durable materials. This helps protect the battery from bumps or damage and adds to its lifespan. You can feel confident it'll hold up over time, even if you take it on adventures.
Portability:
At around 29.5 kg (65.04 lbs), it's not as light as a small battery pack, but it's manageable for its power and capacity. You might need two hands to carry it or even a dolly cart for easy movement, but its compact size makes it easier to fit in various spaces.
Convenient Ports:
The battery has a USB-A port, which is convenient for charging devices like phones directly from the B300K without needing a power station.
Overall, the B300K's design balances power with portability, making it an excellent choice for a large-capacity battery that's easy to move around and set up wherever needed.
Performance and Adaptability
The B300K delivers reliable, adaptable power to fit various needs. Here's how it stands out:
Powerful Battery Capacity:
With 2,764.8 watt-hours (Wh), this battery can keep small to medium-sized devices running for extended periods. This energy can power devices in an emergency, keep a campsite lit, or act as backup power during outages.
Flexible Charging and Fast Recharging:
The B300K can charge up to 80% in 45 minutes when paired with compatible power stations. This means less time waiting to recharge and more time using it. This fast charge makes it convenient in emergencies or when constantly moving.
Standalone Power Source:
The B300K isn't just an add-on; it can also be used independently as a small power hub. With the USB-A port, you can directly charge essentials like phones or tablets, making it a great option even when you don't need to connect it to a giant station.
Pros and Cons of the BLUETTI B300K
Pros
- High energy capacity, suitable for daily or emergency use.
- Longevity and safety with automotive-grade LiFePO₄ cells.
- Versatile compatibility with multiple BLUETTI power stations.
- A standalone USB-A port adds flexibility when charging small devices.
Cons
- It is relatively heavy for those seeking extreme portability.
BLUETTI B300K vs. B300: Key Comparisons
Feature |
BLUETTI B300K |
BLUETTI B300 |
Capacity |
2,764.8Wh |
3,072Wh |
Battery Type |
Automotive-Grade LiFePO₄ |
LiFePO4 |
Life Cycles |
4,000+ |
3,500+ |
Standalone Ports |
12W USB-A |
100W USB-C, 12V/10A carport |
Max Charging Rate |
Needs compatible station |
Supports AC, solar, car charging |
Price (Prices will change) |
£1,099.00 |
£1,899.00 |
While BLUETTI B300K VS B300 both models offer strong performance, the BLUETTI B300 Expansion Battery has a slight edge in versatility, with multiple ports and broader recharge options. However, the B300K provides excellent value with more cycles and integrates seamlessly with newer BLUETTI power stations.
Is the B300K Worth Buying?
The B300K is a compelling choice if you're looking for a reliable power solution that balances cost with impressive features. Its higher cycle count and powerful LiFePO4 batteries make it ideal for long-term use. Although it doesn't directly support solar or car charging, it performs efficiently with the AC200L, AC200MAX, AC300, and AC500 stations.
Frequently Asked Questions
Can I use the B300K alone?
Yes. B300K is a standalone power source with a 12W USB-A port. Note: The B300K can only be charged by connecting to the AC500/AC300/AC200L/AC200MAX
If the B300K is mixed with other battery packs, can I monitor the status of different packs?
Yes. Connect it to the AC300 / AC500 / AC200L / AC200MAX, and you can control the system via the BLUETTI App at any time, from anywhere.
Can l use solar panels or car cigaretter lighter to charge B300K?
No. The B300K can only be charged by connecting to the AC500 / AC300 / AC200L / AC200MAX.
Conclusion
The BLUETTI B300K is a well-rounded, powerful battery expansion solution that brings flexibility and reliability to various power needs. With a substantial capacity, compatibility across several BLUETTI power stations, and user-friendly features, it's ideal for anyone looking to secure energy at home or on the go. Compared to the B300, the B300K offers a more affordable yet capable option, with a few spec differences that may influence your decision based on specific needs.
Ultimately, whether you choose the B300K for its compact affordability or the B300 for its added power, BLUETTI provides a solution for uninterrupted energy. For up-to-date pricing, visit the BLUETTI website, as prices may vary after this article's publication.