Overview: Model: PISEN FG1 (upgraded from BG1) 3.6V 1000m Ah Designed for Sony Cyber-shot digital cameras: W30/W40/W50/W80/W90/W100/W170/W200/W300/H10/H9/H7/H50/T100/T20/N1/N2/N20 Multiple protection circuits Anti-aging, vibration-proof, & strong PC Polycarbonate casing (a bullet proof material) No memory effect Quick charge supported (requires a charger with quick charge capability) Manufactured by PISEN (a well established battery manufacturer) Specifications: Dimensions: 1.64 in x 1.42 in x 0.28 in Weight: 2.12