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OPERATING INSTRUCTIONS 

Battery Charger BT-C100                   

 

 

1. 

Intended Use 

The product is intended to charge and discharge NiCad, NiMH , LiFeO4, 

Li-ion 3.7v and Li-ion 3.85v rechargeable batteries. When Li-ion battery 

is  in  charger,  it  is  possible  to  turn  USB  output  on  with  5v/2.1A  output. 

USB output can detect device type connected and having 1.0A, 1.5A and 

2.1A  driving  capability.    USB  power  parameters,  like  voltage,  current 

and Ampere-Hour value are displayed on LCD. USB power line display 

data displayed on    BT-C100 is useful for evaluating your device battery 

healthy state: How many AH needed to fully charge the device and it is 

easy  to  tell  the  energy  needed  for  fully  charging  has  decreased 

significantly when battery life is reaching its life time.   

 

When  battery  voltage  is  less  than  3.1v  or  load  current  is  over  2.5A, 

BT-C100 will automatically shutdown USB output to protect battery from 

draining up completely. When there is no DC power connected, charger 

can  get  power  from  Li-ion  battery,  but  not  possible  to  operate  by  itself 

with 1.2v rechargeable battery mounted.   

 

BT-C100  is  an  analyzing  charger,  it  measures  rechargeable  battery 

parameters, such as battery impedance, battery capacity (mAh charged 

or discharged), battery voltage and elapsed working time. 

Charging current can be selected from 200mA to 2000mA for 1.2V type 

Nimh  battery,  and  for  Li-ion  batteries,  maximum  charging  current  is 

1600mA.  when  5v  power  is  connected,  charger  will  limit  Li-ion  battery 

charging current to 1000mA automatically. 

     

Discharging current can be selected from 100mA  to 1000mA for  NimH 

battery, Li-ion battery discharging current is limited to 700mA due to heat 

control safety reason.   

 

During  Li-ion  battery  charging  state,  if  USB  output  is  turned  on,  then 

displayed  mAH  data  can  be  much  higher  than  battery  capacity,  this  is 

due to part of charging current is bypassed to USB output circuit. Please 

be aware this and it is not charger wrong for its displayed mAh data not 

matching battery rating capacity.. 

 

Charger  will  automatically  reduce  500mA  working  current  when  over 

heat  is  sensed(over  80C)  during  charging  or  discharging  state.  It  will 

resume full working current until temperature is lower than 50C degrees 

sensed.   

 

When  charging  NiMH  or  NiCd  battery  with  its  impedance  larger  than 

250mR, then maximum charging current will be limited to 1.0A  to keep 

battery  not  overheated  during  high  current  charging  period.  For  those 

batteries  with  high  internal  impedance,  charging  current  will  build  heat 

inside  battery  and  the  purpose  of  this  behavior  is  to  reduce  heat 

generated  during  charging  and  it  is  good  in  keeping  battery  relatively 

cool during the charging cycle.     

 

The  charger  can  only  be  powered  by  power  supply  rated  12v/1.0A  or 

Micro USB 5.0v/2.0A or li-ion battery itself with voltage higher than 3.1v..   

 

The  charger  has  its  backlight  turned  after  power  is  connected  or  li-ion 

battery mounted. Back light can’t be switched off. 

 

This  product  fulfills  European  and  national  requirements  related  to 

electromagnetic  compatibility  (EMC).  CE  conformity  has  been  verified 

and the relevant statements are available upon request. 

Unauthorized  conversion  and/or  modification  of  the  device  are 

inadmissible because of safety and approval reasons (CE). Any usage 

other than described above is not permitted and can damage the product 

and lead to associated risks such as short-circuit, fire, electric shock, etc. 

Please  read  the  operating  instructions  thoroughly  and  keep  them  for 

future reference. 

Maximum charging capacity can be up to 20,000mAH or maximum 

cycle working time is over 100 Hours. 

2. 

Delivery Content 

Battery Charger          BT-C100          1pcs 

Power Adapter 

(optional)

 

 

1pcs 

Operation Instructions   

 

1pcs 

Optional accessory Part: 

Summary of Contents for bt-c100

Page 1: ...AH data can be much higher than battery capacity this is due to part of charging current is bypassed to USB output circuit Please be aware this and it is not charger wrong for its displayed mAh data not matching battery rating capacity Charger will automatically reduce 500mA working current when over heat is sensed over 80C during charging or discharging state It will resume full working current u...

Page 2: ...amage through leaking Leaking or damaged batteries might cause acid burns when in contact with skin therefore use suitable protective gloves to handle corrupted batteries Batteries must be kept out of reach of children Do not leave the battery lying around as there is risk that children or pets swallow it When charging current more than 1 0A is selected for charging charger should not be left unat...

Page 3: ...eading is referred to the voltage drop detected on the battery Within 10s the tested battery resistance will be displayed in the unit of milliohm For good quality batteries the internal resistance is very low in the range of 20 80 milliohms If battery internal resistance is over 500milliohms then these batteries are not good for supplying power to high current loads such as digital camera etc But ...

Page 4: ...rgeable batteries Disposing used batteries in the household waste is prohibited Batteries rechargeable batteries containing hazardous substances are marked with the crossed out wheeled bin The symbol indicates that the product is forbidden to be disposed via the domestic refuse The chemical symbols for the respective hazardous substances are Cd Cadmium Hg Mercury Pb Lead You can return used batter...

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