Electronics and Electrical Power Supplies Batteries Battery PacksBattery packs, batteries, and chargers Home | Search | About ABS | Contact | Our Standard Product | Custom Packs | Online Store | Battery Knowledge | Links Advanced Battery Systems specializes in providing portable power solutions . Custom battery pack assembly is our primary function, but we also distribute batteries for many battery manufacturers. We welcome inquiries from any size company and pride ourselves in providing quality manufacturing with superior customer service. We stock batteries from many manufacturers including