CTA Digital Replacement Battery for Panasonic CGA CTA DIGITAL DBS007 Replacement Battery for Panasonic CGA S007. CTA DB S007 Lithium Ion Battery 3.7v, 1100mAh Replacement for Panasonic CGR CGA S007 Battery. This high capacity lithium ion rechargeable battery is a replacement for the Panasonic CGA S007 battery. Synergy Digital batteries feature lithium Ion or Nickel Metal Hydride technology, which ensures maximum battery life and maximum power. Lithium and NiMH batteries are lightweight and can be charged or discharged at any time without developing the so called memory effect.