Upgrade your power game with the Bluetti Beasty Add-on Battery! Connect up to 4 B300 modules for a massive 12288Wh of power . perfect for all your on-the-go needs. With 3 different outlets and a modular design . you can charge all your devices and enhance the power of your old models without breaking the bank. And with dual recharging options . you can quickly replenish the B300 in under 4.4 hours using solar and grid power simultaneously. Plus . you’ll get everything you need . including cables . D050S . a solar charging cable . a user manual . and a 48-month warranty. Get yours today and power up your adventures!