Color	2S1A 2S2A 2S4A 3S1A 3S2A 3S4A 4S1A 4S2A 4S4A
2S1A 2S2A 2S4A 3S1A 3S2A 3S4A 4S1A 4S2A 4S4A

Description
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Item specifics

Brand Name eletechsup
Type Other
Size 39mm x 18mm x 6.3mm
Model Number DDTCCRUB
Output Frequency DC-DC
Output Type Single
Output Power 1 - 50W
Weight 5g
is_customized Yes
Output Current 0.28-2.2A

Product Description

Product Name: 1-4A Multi-Cell Step-up Boost Li-Po Polymer Li-Ion Charger DC 3-6V to 8.4V 12.6V 16.8V for 7.4V 11.1V 14.8V 18650 Lithium BatteryPacking list: 1 PCS 1A/2A/4A 2/3/4-cell 7.4V 11.1V 14.8V Type-C Boost Li-Ion battery charger
(Please select the appropriate version according to your battery voltage and power supply current before buying)

Description:
2-Cell(2S) 8.4V Version:

Input voltage : DC 3-6V(Recommend DC 3.7V 5V)
Input current : 1A(1A Version);2A(2A Version);4A(4A Version)
Charging voltage : 8.4V
Charging current : 0.55A(1A Version);1.1A(2A Version);2.2A(4A Version)

3-Cell(3S) 12.6V Version:

Input voltage : DC 3-6V(Recommend DC 3.7V 5V)
Input current : 1A(1A Version);2A(2A Version);4A(4A Version)
Charging voltage : 12.6V
Charging current : 0.37A(1A Version);0.74A(2A Version);1.48A(4A Version)

4-Cell(4S) 16.8V Version:

Input voltage : DC 3-6V(Recommend DC 3.7V 5V)
Input current : 1A(1A Version);2A(2A Version);4A(4A Version)
Charging voltage : 16.8V
Charging current : 0.28A(1A Version);0.56A(2A Version);1.12A(4A Version)

Switching Frequency up to 1MHz
Quasi-CV mode to Compensate for the Voltage Loss on Battery Internal Resistance and Trace Resistance
Automatic Recharge
Protection for Battery Voltage Being Low than Input and Short Battery
Good adaptability to Input Supply with Limited Driving Capability
Battery Overvoltage Protection

Led indicator : ''CR'' LED is charge status indicator
''OK'' LED is fully charged OR Constant voltage mode;

Operating Ambient Temperature－40℃ to ＋85℃

Size 39mm x 18mm x 6.3mm
Weight : 5g

Applications:
PDA, MP3 Players, MP4 Players
Digital Cameras
Bluetooth Applications
Game Players
Notebook
li-on Lithium Battery 18650
Mobile phone
Solar charging
Audio equipment
Portable Devices
POS , Electric Fan
TYPE-C charging equipment

The input current is determined by the value of the two RCS
The charging voltage is determined by the chip and cannot be modified by resistance