Boost Converter 5V DC to DC HW 357 TP4056 J5019 AC01 step up voltage and battery charger USB

TP4056 HW 357 J5019 AC01 DIY Board for step-up voltage, from 5V or range 4,5 to 8V DC Output from 4,3V to 27V DC. Good for DIY step-up power voltage Minimum Discharge internal circiut between 6mAh (real test). Specification Input voltage: DC4.5-8V Output voltage: DC4.3V-27V Output current: 2A MAX Charging voltage 4.2V, charging current 1A Before use and before debugging, the default output is about 9V Calculating Discharge Current 2A Output Current Output reference maximum current 5V 1.4A, 9V 0.8A, 12V 0.6A The static current is about 0.5 mA TP4056 HW 357 J5019 AC01 may different specification, but the same function for step up or increase voltage power 00:00 Varian board HW-357, AC01, J4019 and diagram connect board 00:37 Test output voltage HW-357, AC01, J4019 01:32 Test power output HW-357 output 5V - 9V 02:51 Charging lithium battery 03:00 Test output 12V low current load for fan 03:35 Test power 5V to 12V, without battery 05:51 Drain internal circuit HW-357, AC01, J4019 06:00 Charger baterai 500mAh 06:10 Sample diagram circuit with HW-357, AC01, J4019 DIY board 06:19 Application step-up battery to 6V DC for Blood pressure check. LED Indicator Charge Red, Stand-by Green Example Step up battery power 4V to 9V for Multimeter Step up battery power 4V or 5V USB power to power 6V DC blood pressure unit Operation: Before use and before debugging, the default output is about 9V. Input voltage: 4.5-8V Output voltage can be continuously adjusted 4.3-27V (Over 4.3V, below...