Bluetti B300S Expansion Battery | 3072Wh (For AC500 Only)
Bluetti B300S Expansion Battery - Expand Your Power Potential
Discover the unrivalled capacity of the Bluetti B300S Expansion Battery. Boasting a 3,072Wh capacity and enduring over 3,500 cycles at 80% of its original capacity, the B300S delivers reliable and long-lasting power for your energy-intensive needs. Link up to 6 B300S packs with the AC500 to unlock a colossal powerhouse with an astonishing 18,432Wh, ensuring your RV, off-grid life, and critical systems remain energised during even the most severe power outages.
Reliable Performance in Cold Weather
Don't let the freezing temperatures hinder your power supply. With the Self-heating Function, the B300S automatically warms up the battery, ensuring it operates efficiently and smoothly on cold days. Rest assured that the B300S remains responsive and dependable, even in the chilliest environments. (*Note: The Self-heating Function won't activate if the ambient temperature is under -4℉.)
Use it Anywhere
The B300S is more than just an expansion battery pack; it serves as a versatile standalone power source. With its array of outputs, including a 100W USB-C, 12V/10A cigarette lighter, and 18W USB-A, the B300S caters to all your energy demands. From smartphones and laptops to fans, lights, and refrigerators, this power-packed unit keeps your essential devices charged and ready for action.
Recharge Your Way
Harness the flexibility of the Bluetti B300S with its compatibility for up to 500W AC, solar, or car charging. The B300S adapts to your preferred recharging method, ensuring a seamless and efficient power supply for your ever-changing needs.
Swift Recharging Capabilities
Faster charging means less downtime. Charge your B300S in just 4 hours* with a maximum of 1,000W input rate via the 1,000W solar input* or 500W adapter with 500W solar input. Enjoy rapid recharging capabilities that keep you powered up and on the move. (*Note: The data is for reference only. The D050S DC charging enhancer is required for the 1,000W solar input.)
Unleash Endless Power
Experience the boundless potential of the Bluetti B300S Expansion Battery. With its expandable design, responsive functionality in cold climates, versatile power outputs, and blazing fast recharging, the B300S empowers you to seize limitless power and embrace a life of energy independence.
Features
Bluetti B300S Features
- Safe & Reliable LiFePO4 Battery with 3,500+ Life Cycles: Experience peace of mind with the Bluetti B300S Expansion Battery's safe and reliable LiFePO4 battery technology. With over 3,500 life cycles, this battery ensures longevity and durability, providing consistent and worry-free power for your devices.
- Standalone Power Station with 100W USB-C, 12V/10A Car Port and USB-A Port: Transform the B300S into your personal power hub. Equipped with versatile output options, including a 100W USB-C, 12V/10A car port, and USB-A port, the B300S functions as a standalone power station, catering to a wide range of devices from smartphones to laptops and more.
- Flexible Charging via AC, Solar, and Car Power Sources: Enjoy the freedom of choice with the B300S. With the ability to recharge via AC, solar, and car power sources, you're not limited to a single recharging method. This flexibility ensures you can power up your B300S according to your convenience and available resources.
- Responsive Even on Freezing Days with Self-Heating Function: Don't let cold weather slow you down. The B300S features a Self-Heating Function that keeps the battery responsive even on freezing days. With automatic heating capabilities, your B300S remains efficient and reliable, ensuring you have power when you need it most.
- Compatible with AC500 for a Maximum of 18,432Wh Capacity (AC500+6*B300S): Unlock an incredible power reserve by combining the B300S with the AC500. Link up to 6 B300S expansion batteries to the AC500 for an astonishing total capacity of 18,432Wh. This combination provides an energy solution that can handle even the most demanding power needs, ensuring you're prepared for any situation.
Specifications
Bluetti B300S Specifications
| Battery Info | |
| Capacity | 3,072Wh (51.2V, 60Ah) |
| Cell Chemistry | Lithium Iron Phosphate(LiFePO₄) |
| Lifecycle | 3,500+ Cycles to 80% Original Capacity |
| Shelf-life | Recharge to 80% Every 3-6 Months |
| Management System | MPPT Controller, BMS, etc |
| Output | |
| USB-C Port | 1 x 100W Max |
| USB-A Port | 1 x 18W |
| 12V DC Outlets | 1 x 12V/10A (Car Outlet) *All Regulated. |
| Input | |
| AC Adapter Input | 500W Max |
| Solar Input | 500W Max., VOC 12-60VDC, 10A |
| Car Input | 12/24V from Cigarette Lighter Port |
| Max Input | 1,000W, with D050S DC Charging Enhancer |
| General | |
| Simultaneous Recharge & Discharge | Yes |
| Weight | 79.6lbs (36.1kg) |
| Dimensions(LxWxD) | 20.5 x 12.5 x 10.5in (52 x 32 x 26.6cm) |
| Operating Usage Temperature | -4-104℉ (-20-40℃) |
| Storage Temperature | -4-104℉ (-20-40℃) |
| Certification | UL2743, UKCA, RCM, PSE, FCC, CE |
| Warranty | 4 Years |
FAQ
Frequently Asked Questions
Q1: How many B300 packs can be connected to AC500
4 x B300S Batteries
Q2: How many B300S packs can be connected to AC500
6 x B300S Batteries
Q3: Can B300S and B300 be mixed in an AC500 power system?
Yes. 4 packs in total
Q4: Does B300s support App control?
Connect it to the AC500, pair them with BLUETTI App, and you can control the system at any time from anywhere
Q5: Can I use B300s alone as a UPS?
No
Q6: What is the maximum input charging power of the BLUETTI B300S?
1000W Max. with optional D050S DC Charging Enhancer*
* Sold separately
Q7: Can I use car cigarette lighter or lead-acid battery to charge B300S?
Yes, BLUETTI D050S DC Charging Enhancer* is required.
* Sold separately
Q8: Can I use third-party solar panels to charge the BLUETTI B300S?
Yes, if the solar panels' specs fall in
- Total Voltage: 12-60V
- Total Power: 500W Max.
- Include MC4 connectors
Q9: Can it charge and discharge at the same time?
Yes
Q10: Can I use or charge B300S in sub-zero temperatures?
Temperature ranges for B300S are:
- Charge: 0-40℃ (32-104℉);
- Discharge: -20-40℃ (-4-104℉);
- Storage: -20-40℃ (-4-104℉).
Technically, it can power electrical devices under such situations, but please avoid charging it
Q11: How long can it run my device?
Running time = Battery capacity × DoD × η ÷ Device rated power DoD refers to Depth of Discharge and η is local inverter efficiency.
For B300s, both DoD and η are 90%. If you run a 100W light bulb with it, the running time will be:
3,072Wh × 90% × 90% ÷ 100W ≈ 25hrs
Note: The above data is for reference ONLY
Q12: Is B300S waterproof?
No. Also, please do NOT store it in a humid environment for a long time
Q13: Is it possible to replace the built-in battery?
No. If the battery pack is faulty or even dead, please contact BLUETTI Customer Service
Q14: I'd like more tutorial videos on the AC500 and B300S combo.
Sure, please follow BLUETTI Support on YouTube.
Q15: What is the difference between B300S and B300?
- Current capacity: 130A for B300S while 75A for B300.
- ONLY B300S features the automatic heating function.
- Solar input: 500W for B300S while 200W for B300
Q16: How does the heating function work?
When the temperature is below 0℃, the battery will be automatically heated once AC or PV charging is activated (input power＞400W)
Q17: Can the B300S be used with the AC300
No