ITEM NAME:XH-M602 Lithium Battery Charge Digital Control Module Switch Protection Board fd Descriptio n Specifications: The Product Name: Numerical Control Battery Charging Control Module Input Voltage: AC 220 V Display Precision: 0.1v Control Precision: 0.1v Output Type: Output Switch Voltage Error: +0.1v/-0.1v Scope Of Application: 3.7v~120v All The Lithium Battery Size:86*58*24(mm) Package Included: 1 * Protection Board Honesty is gold for all! XH-M602 Lithium Battery Charging Digital Control Module Switch Protection Board