BLUETTI B300 Expansion Battery | 3,072Wh LiFePO₄ Power for Ultimate Backup & Off-Grid Living
Upgrade your power solutions with the BLUETTI B300 Expansion Battery, a high-capacity 3,072Wh LiFePO₄ battery pack designed for reliable home backup, RV living, solar power storage, and emergency preparedness. Compatible with BLUETTI power stations like the AC300, AC500, and EP500 Pro, the B300 delivers long-lasting energy with over 3,500 life cycles, ensuring years of dependable performance.
⚡ Why Choose the BLUETTI B300?
✅ Massive 3,072Wh Capacity – Perfect for off-grid power, outdoor adventures, and emergency backup.
✅ Expandable & Versatile – Pair with BLUETTI AC300/AC500 for a massive solar generator setup.
✅ LiFePO₄ Battery Technology – Ensures superior safety, efficiency, and durability with 3,500+ cycles.
✅ Multiple Output Ports – Includes 100W USB-C, 12V/10A DC, and USB-A to charge devices directly.
✅ Seamless Solar Charging – Supports up to 200W MPPT solar input, making it a solar power must-have.
✅ Portable & User-Friendly – Integrated handles for easy transport and plug-and-play compatibility.
🔋 Power Anything, Anywhere!
Whether you're looking for a solar backup battery for home, a reliable power source for camping, or a long-lasting emergency power solution, the BLUETTI B300 delivers unmatched performance. Keep your appliances running, charge your devices, and never worry about power outages again.
Specification
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Battery Info
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Capacity
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3,072Wh (51.2, 60Ah)
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Type
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LiFePO4 (Lithium Iron Phosphate)
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Life Cycles
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3,500+ Cycles to 80% Original Capacity
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Shelf-Life
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Recharge to 80% Every 3-6 Months
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Management System
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MPPT Charge Controller, BMS, etc.
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OUTPUT
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USB-C Port
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1x100W Max
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USB-A Port
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1x18W USB-A
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12V DC Outlets*
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1x12V/10A (Car Outlet)
*All Regulated.
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INPUT
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AC Input
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500W Max
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Solar Input
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200W Max, VOC 12-60VDC, 10A
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Car Input
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12/24V from Cigarette Lighter Port
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Maximum Input
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700W, With AC Adapter + Solar Input Simultaneously
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Recharge Time
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AC
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≈ 6.5~7 Hours at 500W
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Solar
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≈ 15.5~16 Hours at 200W (With prime sunshine, ideal orientation and low temperature)
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12V/24V Car Outlet (100W/200W)
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≈ 30 or 15 Hours
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AC + Solar
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≈ 5 Hours at 700W (With prime sunshine, ideal orientation and low temperature)
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Solar + Solar
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≈ 5 Hours at 700W (D050S DC Charging Enhancer REQUIRED)
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Dual AC
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≈ 5 Hours at 700W (Extra Adapter REQUIRED)
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GENERAL
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240V Split Phrase Bonding
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Yes, Works with AC300
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Pass-through Charge
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Yes
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Weight
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79.6 lbs (36.1 kg)
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Dimension (LxWxD)
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20.5x12.5x10.5 in (52x32x26.6 cm)
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Operating Temperature
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-4-104°F (-20-40°C)
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Storage Temperature
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-4-104°F (-20-40°C)
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Certifications
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UL2743, UKCA, TELEC, RCM, FCC ID, CE
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Warranty
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48 Months
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