•  When using the battery at sub-zero temperatures, the battery capacity 
decreases, this is normal and not a defect. 
•  Do not use the battery at temperatures outside the range of -25 °С...+50 °С (-
13 °F…+122 °F) – this may reduce battery’s life. 
•  The battery has a short-circuit protection. However, any situation that may 
cause short-circuiting should be avoided. 
 
Battery Charging 
The device is supplied with a rechargeable IPS7 Lithium-ion Battery Pack 
which allows the device to be used for up to 11 hours. Charge the battery 
before first use. 
The icon   in the status bar will flash when the battery is low. The battery 
needs to be charged.