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!