BLUETTI B300S Expansion Battery | 3,072Wh (Only Works With AC500)

Features:

• 3,072Wh LiFePO4 battery for over 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 in freezing days with Temperature Adaptive Function.
• Compatible with AC500 for a maximum of 36,864Wh capacity. (2*AC500+12*B300S)

Flexible Recharging
BLUETTI B300S takes up to 500W AC, solar, or car charging. Combine AC with solar or car input, you can top up B300S in less than 3.5-4 hours with a maximum of 1,000W* input rate.
*The D050S DC charging enhancer is required.

Versatile Power Source
You can power your smartphones, laptops, fans, lights, refrigerators and more with specific outputs-100W USB-C, 12V/10A cigarette lighter, and 18W USB-A.

Responsive Even in the Cold
Waking up electronics on a freezing day may be time-consuming. But with the Temperature Adaptive Function, B300S will automatically heat up to work actively and smoothly as usual.

Expandable Battery Pack
As the companion battery pack to AC500, B300S has a capacity of 3,072Wh and lasts for 3,500+ cycles to 80% of its original capacity. Hook up 6*B300S with AC500, you'll get a powerhouse with 18,432Wh, enough to get you through a severe power outage.

Videos

Q1: How many B300S packs can be connected to AC500？

6

Q2: How many B300 packs can be connected to AC500？

4

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 cigaretter 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 1) Total Voltage: 12-60V 2) Total Power: 500W Max. 3) 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?

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?

When the temperature is below 0℃, the battery will be automatically heated once AC or PV charging is activated (input power＞400W).

Documentation

BLUETTI B300S Expansion Battery

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/10A (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
240V Split Phase Bonding:	Yes, Works with AC500
Simultaneous Recharge & Discharge:	Yes
Weight:	83.8lbs (38kg)
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:	UL Standard, CEC, DOE, FCC, CA Prop 65

B300S Expansion Battery

*Select quantity

Battery Expansion Cable (P150D)

1 x

Solar Charging Cable (MC4 to XT90)

1 x

User's Manual

1 x

Certificate Card

1 x

Warranty Card

1 x