MH-CD42 5V 2.1A Charge Discharge Integrated 3.7V 4.2V Lithium Battery Boost Power Battery Protection Module

Charging voltage: DC 4.5V-5.5V (recommended DC 5V)

Charging current: 0-2.1A

Charging quiescent current: 100uA

Full voltage: 4.2V+-1%.

Discharge current: 0-3.5A;

Discharge quiescent current: 50uA

Discharge efficiency: 96% maximum

Output voltage: 5V

Output current: 0-2.1A;

Ambient temperature: -20° to +85°

• Module with lithium battery protection function (for lithium battery without
• protection, with protection board)
• Overcurrent protection (OCP)
• Overvoltage protection (OVP)
• Short circuit protection (SCP)
• Over temperature protection (OTP)
• Charge and discharge power level 4 interval indication
• Applications
• Car charging retrofit
• Driving recorder power supply
• Mobile power / charging treasure
• Portable devices such as mobile phones and tablets
• Note
• The use of this electronic product requires a certain knowledge base. If you do not
• understand, please be careful to buy it. Otherwise, it may be damaged due to
• improper use or over-range use. Thank you for your understanding and support.

• Charging voltage: DC 4.5V-5.5V (recommended DC 5V)
• Charging current : 0-2.1A
• Charging quiescent current: 100uA
• Full voltage: 4.2V+-1%.
• Discharge current: 0-3.5A;
• Discharge quiescent current: 50uA
• Discharge efficiency: 96% maximum
• Output voltage: 5V
• Output current: 0-2.1A;
• Ambient temperature: -20° to +85°
• Module with lithium battery protection function (for lithium battery without protection, with protection board) Overcurrent protection (OCP) Overvoltage protection (OVP) Short circuit protection (SCP) Over temperature protection (OTP) Charge and discharge power level 4 interval indication Applications Car charging retrofit  Driving recorder power supply  Mobile power / charging treasure Portable devices such as mobile phones and tablets Note The use of this electronic product requires a certain knowledge base. If you do not understand, please be careful to buy it. Otherwise, it may be damaged due to improper use or over-range use. Thank you for your understanding and support.