AITIAO 2S 3S 4S Type-C to 8.4V 12.6V 16.8V Step Up Booster Converter Inverter 18650 Lihtium Lipo Polymer Li-ion Battery Charger BoardSpecification1.Operating Ambient Temperature:40 to 852.Size: 39mm x 18mm x 6.3mm3.Weight: 5g4.Quantity: 2pcs (3S 1A)Feature:Switching Frequency up to 1MHzQuasi-CV mode to Compensate for the Voltage Loss on Battery Internal Resistance and Trace ResistanceAutomatic RechargeProtection for Battery Voltage Being Low than Input and Short BatteryGood adaptability to Input Supply with Limited Driving CapabilityBattery Overvoltage ProtectionLed Indicator:1.''CR'' LED is charge status indicator2.''OK'' LED is fully charged or Constant voltage modeScope of Use:2-Cell(2S) 8.4V Version1.Input voltage : DC 3-6V(Recommend DC 3.7V 5V)2.Input current : 1A(1A Version);2A(2A Version);4A(4A Version3.Charging voltage : 8.4V4.Charging current : 0.55A(1A Version);1.1A(2A Version);2.2A(4A Version)3-Cell(3S) 12.6V Version1.Input voltage : DC 3-6V(Recommend DC 3.7V 5V)2.Input current : 1A(1A Version);2A(2A Version);4A(4A Version)3.Charging voltage : 12.6V4.Charging current : 0.37A(1A Version);0.74A(2A Version);1.48A(4A Version)4-Cell(4S) 16.8V Version1.Input voltage : DC 3-6V(Recommend DC 3.7V 5V)2.Input current : 1A(1A Version);2A(2A Version);4A(4A Version)3.Charging voltage : 16.8V4.Charging current : 0.28A(1A Version);0.56A(2A Version);1.12A(4A Version)Applications:PDA,MP3 Players,MP4 Players,Digital Cameras,Bluetooth Applications,Game Players,Notebook,li-on Lithium Battery 18650 AITIAO 2S 3S 4S Type-C to 8.4V 12.6V 16.8V Step Up Booster Converter Inverter 18650 Lihtium Lipo Polymer Li-ion Battery Charger Board Specification 1.Operating Ambient Temperature:40 to 85 2.Size: 39mm x 18mm x 6.3mm 3.Weight: 5g 4.Quantity: 2pcs (3S 1A) Feature: Led Indicator: 1.''CR'' LED is charge status indicator 2.''OK'' LED is fully charged or Constant voltage mode Scope of Use: 2-Cell(2S) 8.4V Version 1.Input voltage : DC 3-6V(Recommend DC 3.7V 5V) 2.Input current : 1A(1A Version);2A(2A Version);4A(4A Version 3.Charging voltage : 8.4V 4.Charging current : 0.55A(1A Version);1.1A(2A Version);2.2A(4A Version) 3-Cell(3S) 12.6V Version 2.Input current : 1A(1A Version);2A(2A Version);4A(4A Version) 3.Charging voltage : 12.6V 4.Charging current : 0.37A(1A Version);0.74A(2A Version);1.48A(4A Version) 4-Cell(4S) 16.8V Version 3.Charging voltage : 16.8V 4.Charging current : 0.28A(1A Version);0.56A(2A Version);1.12A(4A Version) Applications: PDA,MP3 Players,MP4 Players,Digital Cameras,Bluetooth Applications,Game Players,Notebook,li-on Lithium Battery 18650

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