BLUETTI B300S Expansion Battery | 3072Wh

BLUETTI B300S Expansion Battery | 3072Wh (Only Works With AC500)

Features

• Safe & reliable LiFePO4 battery with 3,500+ life cycles
• Standalone power station with 100W USB-C, 12V/10A car port and USB-A port
• Flexible charging via AC, solar and car power sources
• Responsive even on freezing days with Self-heating Function
• Compatible with AC500 for a maximum of 18,432Wh capacity.​(AC500+6*B300S)

Expandable Battery Pack

The B300S boasts a capacity of 3,072Wh and can sustain over 3,500 cycles while retaining 80% of its original capacity. By connecting six B300S packs to the AC500, you can create an impressive energy solution with a total of 18,432Wh, providing ample power for your RV, off-grid living, and during major power outages.

Responsive Even In the Cold

Starting up electronics on a cold day can take a while. However, with the Self-Heating Function, the B300S will automatically warm up the battery, ensuring it operates efficiently and smoothly as always. Please note that the Self-Heating Function will not activate if the surrounding temperature is below -4°F.

Standalone Power Source

Beyond being just an expansion battery pack, the B300S serves as a standalone power source with versatile outputs, including a 100W USB-C port, a 12V/10A cigarette lighter, and an 18W USB-A port. This allows it to power your smartphones, laptops, fans, lights, refrigerators, and other devices.

Flexible Recharging

The BLUETTI B300S can handle charging via AC, solar, or car sources, with a maximum capacity of 500W.

Blazing Fast Recharging

Speed is always advantageous. You can charge your B300S in just 4 hours* using a maximum input rate of 1,000W through either a 1,000W solar input* or a 500W adapter combined with a 500W solar input. *Please note that this information is for reference purposes only. *The D050S DC charging enhancer is necessary.

Tech Specs

PREVIEW

BATTERY INFO

Capacity: 3,072Wh (51.2V, 60Ah)
Cell Chemistry: LiFePO4 (Lithium Iron Phosphate)
Life Cycles: 3,500+ Cycles to 80% Original Capacity
Shelf-life: Recharge to 80% Every 3-6 Months
Management System: MPPT Charge Controller, BMS, etc.

OUTPUT

USB-C Port: 1 x 100W Max.
USB-A Port: 1 x 18W
DC Outlets: 1 x 12V (Car Outlet) *All regulated.

INPUT

AC Input: 500W Max.
Solar Input: 500W Max., VOC 12-60VDC, 10A
Car Input: 12/24V from Cigarette Lighter Port
Maximum 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 Temperature: -4℉-104℉ (-20℃-40℃)
Storage Temperature: -4℉-104℉ (-20℃-40℃)
Certification: UL2743, UKCA, RCM, PSE, FCC, CE
Warranty: 48 Months

IN THE BOX

Downloads

BLUETTI B300S Expansion Battery | 3072Wh Manual

FAQ

Q1: How many B300 packs can be connected to AC500？

A: 4*B300

Q2: How many B300S packs can be connected to AC500？

A: 6*B300S

Q3: Can B300S and B300 be mixed in an AC500 power system?

A: Yes. 4 packs in total.

Q4: Does B300s support App control?

A: 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?

A: No.

Q6: What is the maximum input charging power of the BLUETTI B300S?

A: 1000W Max. with optional D050S DC Charging Enhancer* Sold separately

Q7: Can I use car cigaretter lighter or lead-acid battery to charge B300S?

A: Yes, BLUETTI D050S DC Charging Enhancer* is required. * Sold separately

Q8: Can I use third-party solar panels to charge the BLUETTI B300S?

A: Yes, if the solar panels' specs fall in
1) Total Voltage: 12-60V
2) Total Power: 500W Max.
3) Include MC4 connectors.

Q9: Can it charge and discharge at the same time?

A: Yes.

Q10: Can I use or charge B300S in sub-zero temperatures?

A: 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?

A: 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?

A: 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?

A: 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.

A: Sure, please follow BLUETTI Support on YouTube.

Q15: What is the difference between B300S and B300?

A:
1) Current capacity: 130A for B300S while 75A for B300.
2) ONLY B300S features the automatic heating function.
3) Solar input: 500W for B300S while 200W for B300.

Q16: How does the heating function work?

A: 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?

A: No

How-To Videos