Because of this feature

Parallel and 3-phase operation: YES

12V/24V Car Outlet (100W/200W): ≈3

Low ambient cooling—cools down to 5°F

Battery Voltage:12/24/36/48

Bluetti B300K2 Expansion Battery Module | 2,764.8Wh LiFePO4 | AC200L, AC200MAX, AC300, AC500, Apex300 Compatible | 3+1 Year Warranty 40 amp Because of this featurePower Expansion, Smarter & Stronger The Bluetti B300K2 gives you dependable backup power when you need it mostwhether you're upgrading your home energy storage or planning for total off grid independence. With flexible compatibility and rugged build quality, its a future proof solution for growing power demands. Key Features & Benefits: 2,764. 8Wh LiFePO4 Battery: Reliable energy storage with over 4,000 life cycles to 80%built to last. Modular Power