- marsnaska hot sale portable usb power bank shell box diy mobile charger case pack 8pcs 18650 battery holder lcd
Brand Name: Marsnaska
Display screen: Yes
Quick charge: No
Intelligent Charge: No
Output Interface: USB Output
Use: MP3 / MP4 Player
Model Number: PJ1397-01
| Type: DIY power bank case
Double USB output: DC 5V 1.0A or DC 5V 2.1A
Input: DC 5V 2A
Battery: 8 x 18650 Li-ion battery (not included)
Quantity: 1Pc (Not include the phone and battery)
100% brand new and high quality
Brand new and high quality.
LED indicator, showing charging status and on/off status.
Environmentally friendly and economic efficiency.
USB output: charge mobile phone, MP3, MP4, tablet
2 LED light reminds stock energy.
Batteries must do not be reversed, or may be damaged.
Coulometric calculation of the percentage of electricity. After the battery displayed , the value is preset, need to charge and discharge cycles, learning battery capacity
188 digital screen coulomb meter learning, accurate display of electricity, matters needing attention:
For the first time to learn the charging process: first discharge to 00 flashes, and then start charging to 100, 0 does not flash, this can not be discharged in the middle of access, otherwise the learning is not successful (process can be interrupted)
The process of learning to discharge for the first time: first charge to 100 and 0 does not flash, and then start discharging to 00 flashes. There is no charge access between them. Otherwise, the learning is unsuccessful (the process can be interrupted)
How do you know if Coulomb's learning is successful? You can see from the number shown, one percent to nine percent, learning success, ten digits show 0, and on the contrary does not appear unsuccessful (for example, nine percent successfully shows 09, unsuccessful display 9)
1 x power bank Case (Not include the phone and battery)
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