Bluetti B300S Expansion Battery | 3072Wh. Safe & reliable LFP 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. B300S has a 3,072Wh capacity and lasts 3,500+ cycles to 80% of its original capacity. Hook up 6 B300S packs with AC500, and you’ll get a massive powerhouse with 18,432Wh, enough to power up your RV, off-grid life, and get you through a severe power outage.. Responsive Even in the Cold. Waking up electronics on a freezing day may be time-consuming. But with the Self-heating Function, B300S will automatically heat up the battery to ensure it can work actively and smoothly as usual. Note: Self-heating Function won’t be activated if the ambient temperature is under -4℉.. Standalone Power Source. More than an expansion battery pack, B300S can be used as a standalone power source as it features versatile outputs – 100W USB-C, 12V/10A cigarette lighter, and 18W USB-A to feed your smartphones, laptops, fans, lights, refrigerators, and more.. Flexible Recharging. BLUETTI B300S takes up to 500W AC, solar, or car charging.. Blazing Fast Recharging. Faster is always better. Charge your B300S in 4 hours* at the maximum of 1,000W input rate by 1,000W Solar input* or 500W adapter with 500W solar input. * The data is for reference only. * The D050S DC charging enhancer is required.. Never Run Out of Power. AC500 powers your devices like a gas generator, but without any fuel costs, noise, and pollution,. making it safe enough to use next to you whether you’re at home, pitching a tent, or trying an RV road trip.. Specifications. 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. UL Standard, CEC, DOE, FCC, CA Prop 65. Warranty. 48 Months