3pcs Dual USB 12V To 5V Step-down Module Battery Indicator Battery Voltage Display Meter

Product parameters: 1, Static input current: 5-25mA, the lower the battery voltage, the smaller the current. 2, USB output: 5V/2A (max) two ports sum 2A (one USB setting Apple recognition, one setting Android recognition) 3, USB step-down efficiency up to 96% (because of the use of synchronous rectifier circuit, buck conversion efficiency is high, low heat. 4, 8 segment power resolution: 10% 25% 40% 50% 60% 75% 90% 100% 5, The accuracy of the voltmeter is about 2% 6, Working temperature: -10 ~ +65 degrees 7, Working humidity: 10 ~ 80% 8, Opening size: 45 26 18mm Package included: 3 x Dual USB 12V To 5V Step-down Module Battery Indicator Battery Voltage Display Meter