- Description
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Details
B + connected to the battery positive, B-connected battery negative. Must not be reversed, or directly scrapped.
Synchronous rectification efficient boost, heat a small, charge and discharge maximum current of 2A
Features:
Intelligent output device after charging full, automatically stop charging,
to prevent mobile phones overcharge.
Output voltage and current stable, will not harm user devices.
Specifications:The following parameters allow 5-10% of the test error
Applicable battery type: 3.7V Lithium Battery BatteryBattery overcharge protection cut-off voltage: 4.25VBattery over discharge protection cut-off voltage: 2.8V, less than 3.0V to stop outputBattery short circuit protection :YesOutput voltage :5VCharging input voltage :5VOutput current (MAX): 2A, battery voltage = 3.7VCharge current (MAX) :2A, battery side measurement, constant current modeBattery-powered output conversion rate:> 90%, battery> 3.2V, output ≈2ACharge and discharge indicator: LED lightsThe battery charge indication :YesCharge and discharge at the same time: Yes, switch off a few secondsSize: 65X25X11mmThe above parameters from the pure resistive load under the working state, the current belongs to the limit parameters, the actual use need to consider the margin, by the battery protection circuit and switching power supply response time ripple and other factors, sensibility and capacitive and some sensitive to interference May be affected, the actual use of the test to prevail.B +, B-, in the case of no battery, only the case of the charger, with a multimeter to the voltage may be more than 3.8V, which is normal, you are in parallel at both ends of a suitable resistor or connected to the battery Will never, far more than the above cut-off voltage.
Package included:
1PC x Mobile Power Bank 18650 Battery Charger PCB - Reviews
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