SKU: AU833425

B300 Extra Battery for AC300 and AC200MAX

Sold and delivered by Rewards Store

417,220 PTS
Standard delivery
12,000 PTS or $80.00
Dispatches in 10 days
EST. delivery charge
This item may be delivered separately from other items purchased
Check your estimated delivery date
Product details


You can recharge the BLUETTI B300 3,072Wh Expansion Battery quickly with 200W Max. solar input thanks to the built-in MPPT. Besides, it also supports AC, car, and lead-acid battery charging. The car and lead-acid battery charging need a D050S. You can power your smartphones, laptops, fans, lights, refrigerators, microwave ovens, and so on with specific output port - the 100W USB-C, 12V/10A cigarette lighter, and 18W USB-A output ports. B300 has 3,072Wh capacity and over 3,500 life cycles with the LifePO4 battery cells, offering up to 80% of original capacity. Moreover, it will double, triple, even quadruple the total capacity with BLUETTI AC200MAX, AC200P, or AC300 series. Whether in a family gathering or camping trip, B300 will serve as your backup power supply or power bank. It powers your home and camping necessities well, and all you need to do is enjoy the good times.


  • Features with 100W USB-C, a 12V/10A car output
  • Recharge by wall socket, car charging or lead-acid battery
  • The smart MPPT inside of the B300


  • 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.
  • 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.
  • 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
  • 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)
  • 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
Product reviews