5V Step-Up Power Module Lithium Battery Charging Board
50 Per Piece
1 Piece(s) (MOQ)
Product introduction - 1. Input voltage: 3. 7V~5. 5V. 2. Charging current: 1a(max). 3. Output current: 1a(max). 4. Output voltage: 5v. 5. Bat discharging stop voltage: 2. 9V. 6. Discharging efficiency: 85 percent (input 3. 7V output 5v/1a). Features - 1. Charging and discharging indication. 2. Internally installed charging and discharging power mos. 3. Pre-set 4. 2V charging voltage, precision ±1 percent. 4. Max 8ua standby current. 5. Integration charging management and discharging management. 6. Intelligent temperature control and over-temperature protection. 7. Integration output overvoltage protection, short circuit protection, overload protection. 8. Integration overcharging and over-discharging protection. 9. Support trickle mode and zero voltage charging. When charging: red light flashing. Fully charged: red light for a long time.
Stress Test Treadmill
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Stress Test Treadmill A truly P.C. Based Stress Test System. The main screen Shown all 12 running leads, 12 Average Complexes with ST Values, a Magnified Superimposed lead. Beat By Beat Storage of Test.
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