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Intelligent Battery Charger
MD200 USER MANUAL
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1 Requirements and Functions:
1) With DC input 12V/3A , Every slot can be charged indepe ndently and Controlled by
microcomputer
2) Four charging current s: 500mA /1000mA/1500mA/2000mA.
3) LED display can show the charging condition and percent c apacity.
4) Battery Types :Ni-MH /Ni-Cd 1.2V、 Li-ion-3.7V 、 Li-ion 3.85V (Li-ion: 18650,
18490,18350, 17670, 17500, 16340, 14500, 10440, Ni-MH/Ni-Cd: AA/AAA/C/D size
batteries.
5) With :over-charge，over-discharge， short-circuit protection, bad battery detection
and reverse charging protection.
6) Automatically Identifies USB output 5V/1000 mA~2400mA(Power Bank function)
2 Description of button, LCD display and function
1)”MODEL” Button: After connecting power supply, press the button for 3 seconds at
any time to adjust t he charge currents: 500mA / 1000mA / 1500mA / 2000mA.
2) LCD display: When the charger connected to the DC12V power, the charger LCD
display will be f ull-br ight and the c harger will finis h detecting batt ery type automat ically.
If batteries ar e not inserted into the chargi ng slot, the corresponding slot LCD displa y
will be NULL. If batteries are inserted, LCD display will show current parameters of
charging, such as v oltage and percent capacity (5%, 10%, ….100%), The conte nt on
LCD display is charg ing voltage and percent capac ity (5%, 10% ... 100%); The batter y
voltage and capacity content will alternate to show on LCD display every 5 seconds;
LCD display will also s how s elected instantaneous charging current.
3) For discharging function, when the external 12V power supply is pulled out and
ins erti ng L i -i on batt eries , then phones or other elec tr onics ar e c onnected wit h USB por t,
the charger can automat icall y identif y the outp ut 5V1A ~ 2.4A to charge devices. At this
time the screen display "USB 5.00V", the cut-off voltage is 3.0V. The charger will
automatically cut off the power supply circuit when the voltage reaches 3.0V; (lithium
battery can be used as power bank, Ni-MH battery will be invalid as pow er bank)
4) LED display reference map (To prevail in kind)
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3 Technology parameters：
1) Input: DC 12V/2A
2) O utput v oltage:
NiMH/Cd 1.2V 500mA*2 ﹑1000mA*2﹑1500mA*2 ﹑2000mA*2
Li-ion 3.7V 500mA*2 ﹑1000mA*2﹑1500mA*2 ﹑2000mA*2
USB Output:5V/(1A~2.4A)±5%; voltage:4.75V~5.25V
Cut off voltage(ov er-discharging protect):3.0±0.1V
4 Charger
Dimension: (length/width/height): 156*74*40mm
NW: about 135g
5 Package/storage
1) Package: color box packing
2) Storage
This product should be stored at clean, dry and ventilated indoor. The environment
temperature should be 0 ℃ to 40 ℃ ,it als o should avoid c ontact ing corros iv e nature and
be far away from fire and heat.
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