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© 2020 unitech Electronics Co., Ltd. All rights reserved.   
unitech is a registered trademark of unitech Electronics Co., Ltd. 
All product and company names are trademarks, service marks, or registered trademarks of their respective owners 
 
  Do not leave the battery uncharged and unused for an extended 
period of time, the battery will wear out and the longevity of the 
battery will be at least half of one with frequent charges. 
4.  Protect battery life by not over or under charging the battery. 
5.  Please do not leave battery unused for long time without charging it. 
Despite unitech’s safety precautions, the battery pack may begin to 
change shape. If so, stop using it immediately. Please check to see if you 
are using a proper power adapter to charge the battery or contact your 
service provider for service. 
6.  If you cannot charge the battery after it has been idle for an extended 
period of time and it begins to heat up, please do not try to charge it. It 
may not be functional anymore. 
7.  Please only use the original battery from unitech. Using a third party 
battery can damage our products. Please note that when such damage 
occurs, it is not covered by unitech’s warranty policy. 
 
 
  RISK OF EXPLOSION IF BATTERY IS 
REPLACED INCORRECTLY.   
DISPOSE OF USED BATTERIES ACCORDING 
TO THE INSTRUCTIONS. 
  如果更換不正確之電池行事會有爆炸的風險 
請依製造商說明書處理用過之電池 
CAUTION! 
  如果更换不正确之电池行事会有爆炸的风险 
请依制造商说明书处理用过之电池 
Battery charge notice 
It is important to consider temperature when the battery pack is charging. 
Charging is most efficient at normal room temperature or in a slightly cooler 
environment. It is essential that batteries are charged within the stated range of 
0°C to 40°C. Charging batteries outside of the specified range could damage 
the batteries and shorten their life cycle. 
CAUTION!  Do not charge batteries at a temperature lower than 0°C. This will 
make the batteries unstable and dangerous. Please use a battery