Keeps almost discharged phone working for some emergency calls
Uses a single AA battery
Input AA battery voltage: 1.2 to 1.5V
Output voltage: up to 5.7V
LED charge status indicator
Net weight (without battery): 30g
Dimensions: 70 x 21mm
Supports phone series: Nokia 6101 and 8210 series, Samsung A288 series, Motorola V3 series (Mini USB 5pin connector), Sony Ericsson K750 series, Siemens C55 series