The Battery pack of the handheld shop vac is engineered with high-grade cells equivalent to those used in top international brands, coupled with our proprietary smart chip for optimized performance and safety. Experience ultimate convenience and cost savings with its universal compatibility—a single pack powers all your 20V platform tools. Single Battery is backed by a 1-year warranty, bare machine is backed by a 2-year warranty, it’s the reliable, economical choice for effortless cleaning. Enjoy the ultimate convenience of our 3-in-1 cordless portable vacuum cleaner! Powered by a long-lasting 4.0Ah battery, this lightweight and wireless design lets you clean anywhere without constraints. It effortlessly handles dry messes like dust, particles, debris, and pet hair, while also tackling wet liquid spills with ease. Plus, it doubles as a blower to quickly clear sawdust in your workshop—making it the all-in-one solution for every cleaning challenge. Experience ultimate cleaning flexibility with this lightweight, cordless wet and dry vacuum. Its handheld design lets you easily reach every corner—from tight car interiors to high shelves—without being tied to a power outlet. Powered by a robust 4.0Ah battery, it delivers up to 30 minutes of continuous runtime for efficient whole-room cleaning on a single charge. 【What You Get】Vacuum cleaner*1; 4.0Ah Battery*1; Changer*1;Tube*1; HEPA filter*1; Foam fliter*1; Brush*1; Fixed Button*4 【Version is upgrading】The first batch we assemblied 1 pc 2.0Ah battery, the working time is not enough, the second batch was assemblied 2 pcs 2.0Ah battery, we think the operation is not very simple and convenient. So we upgraded agian, the newest batch is assemblied 1 pc 4.0Ah battery. 2pcs 2.0Ah batteries are same working time as 1pc 4.0Ah battery.