Features:

• Desktop Charger - Dual for Siemens c57 only c57
• Desktop Charger - Dual charges phone's battery and a spare battery.
• Desktop Charger - Dual has built-in protection circuit prevents overcharging.
• LCD screen shows charging status for both slots.
• Desktop Charger - Dual fits only Siemens c57
• Does not support phones with extended battary
  
  
• AC power adaptor is included.
  Input: 120VAC 60Hz 14W
  Output: 9VDC 800mA
• UL Listed, CE and ISO 9002 Certified.

siemens-c57-s56-twin-deskcharger-asc$3.99