Weight: 2.2g (with needle), 1.8g (without needle)
Pin size not included: 23 x 15.4 x 5.7mm
Operating temperature: -40° to + 85°
Storage temperature: -65° to + 125°
Packing: 1 pcs charging panel
Charging voltage: DC 4.5V-8V (DC 5V recommended)
Charging current: 0-1A
Full charge voltage: 4.2V± 2%.
LED indicator:
"OK" LED full charge or battery failure status indicator;
The "CR" LED is the charging status indicator