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BLUETTI B300 Expansion Battery (3,072Wh)
BLUETTI B300 Expansion Battery (3,072Wh)
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- Features with a 100W USB-C, a 12V/10A car output and a USB-A ports, you can use the B300 as a portable power station.
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The smart MPPT inside of the B300 enables it to recharge quickly through solar power at a 200W maximum loading scale.
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You can also recharge it by wall socket, car charging or lead-acid battery.
- Car charging and lead-acid battery charging need to be realized through D050S.
Features
Flexible Recharging
![](https://cdn.shopify.com/s/files/1/0782/3261/7260/files/PC_-2560X1000px3_122c08e6-1ad6-42bb-b687-d25abd427136_480x480.webp?v=1687326524)
Versatile Power Source
![](https://cdn.shopify.com/s/files/1/0782/3261/7260/files/PC_-2560X1000px2_d27f8d2a-f8e9-478e-ba26-3a58ad8bfffe_480x480.webp?v=1687326572)
Expandable Battery Pack
![](https://cdn.shopify.com/s/files/1/0782/3261/7260/files/PC_-2560X1000px1_26c77ec1-6728-4e4a-907c-1643ec5f3814_480x480.webp?v=1687326611)
Home Backup and Trip Power Bank
![](https://cdn.shopify.com/s/files/1/0782/3261/7260/files/PC_-2560X1000px4_86487df8-d884-4e99-883a-952a81d4f4a0_480x480.webp?v=1687326654)
Tech Specs
TECHNICAL SPECIFICATIONS
BATTERY INFO
Capacity: 3,072Wh (51.2V, 60Ah)
Type: LiFePO4 (Lithium Iron Phosphate)
Life Cycles: 3500+ 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 USB-A
12V DC Outlet*: 1 x 12V/10A (Car Outlet) *All Regulated.
INPUT
AC Input: 500W Max.
Solar Input: 200W Max., VOC 12-60VDC, 10A
Car Input: 12/24V from Cigarette Lighter Port
Max Input: 700W, With AC Adatper + Solar Input Simultaneously
RECHARGE TIME
AC: ≈ 6.5~7 Hours at 500W
Solar: ≈ 15.5~16 Hours at 200W (With prime sunshine, ideal orientation and low temperature)
12V/24V Car Outlet (100W/200W: ≈ 30 or 15 Hours
AC + Solar: ≈ 5 Hours at 700W (With prime sunshine, ideal orientation and low temperature)
Solar + Solar: ≈ 5 Hours at 700W (D050S DC Charging Enhancer REQUIRED)
Dual AC: ≈ 5 Hours at 700W (Extra adapter REQUIRED)
GENERAL
240V Split Phase Bonding: Yes, work with AC300
Pass-through Charge: 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℃)
Certifications: UL Standard, CEC, DOE, FCC, CA Prop 65
Warranty: 48 Months (Enter to learn more about BLUETTI warranty policy)
FAQS
FAQS
Q1: Which BLUETTI power stations can work with B300?
AC300/AC200/AC200P/AC200MAX/EB150/EB240/EP500Pro. Except for AC300, an additional accessory is required for each station.
AC200/AC200P: P090D to XT90 cable
EB150/EB240: P090D to DC7909 cable
EP500Pro: P090D TO MC4
Q2: Can I use BLUETTI B300 expansion battery alone?
A: Yes. It comes with a 100W USB-C, a USB-A, and a 12V car socket, providing power for phones, laptops, car refrigerators, etc.
Q3: How many B300 can I connect to AC300 or AC200MAX?
AC300: Up to 4 B300 for 12,288Wh capacity.
AC200MAX: Up to 2 B300 for 8,192Wh capacity.
Q4: Does B300 support App control?
A: Connect it to the AC300, pair them with BLUETTI App, and you can control the system at any time from anywhere.
Q5: Can I use B300 alone as a UPS?
A: No.
Q6: What is the maximum input charging power of the BLUETTI B300?
A: 700W Max. with optional D050S DC Charging Enhancer. *Sold separately*
Q7: Can I use car cigarette lighter or lead-acid battery to charge B300?
A: Yes, BLUETTI D050S DC Charging Enhancer* is required. *Sold separately*
Q8: Can I use third-party solar panels to charge the BLUETTI B300?
A: Yes, if the solar panels' specs fall in
1) Total Voltage: 12-60V
2) Total Power: 200W Max.
3) Include MC4 connectors.
Q9: Can it charge and discharge at the same time?
A: Yes
Q10: Can I use or charge B300 in sub-zero temperatures?
Temperature ranges for B300 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 B300, 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 B300 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.
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