KEHIPI 12PCS 2A USB 18650 Lithium Li-ion Battery Charger Module Boost 3.7V to 5V 9V 12V Adjustable DC-DC Step Up Boost Module TP4056 DIY Kit Parts

Can be used for multimeter, converted to lithium battery charging Discharging current: Max. 2A Input voltage: 4.5-8V DC Output voltage: 4.3-27V DC (Continuously adjustable) Charging voltage: 4.2V DC Charging current: Max. 1A High quality micro USB Lithium Li-ion Lipo Battery Charger Module 3.7v 4.2v Boost Step Up 5V 9V 12V Package Includes: 12 Pcs USB lithium battery charger module