Battery charger case For Samsung Galaxy S23 Ultra S23 Plus S23 Power Bank cover

battery charger case For Samsung Galaxy S23 Ultra S23 Plus Battery Case Power cases S23 power Bank shockproof Charging cover

 

how to use?

1. Click the switch for 3 seconds to start charging

2. Click the switch for 3 seconds to turn off charging

Click the switch once to check the power!

Specification:                                                                                                                                                                        
-Item Type: battery charger case

 

Product parameters:
Input current: 5V 1800mA
Output current: 5V 1500mA
Working temperature: 0 ℃ -45 ℃
Storage / transport temperature: -20 ℃ ± 50 ℃
 
For Samsung Galaxy S21/S22/S23
Cell capacity: 4700mAh
Rated capacity: about 2350-3120mAh
Charging time: ~ 5 hours
Product net weight: 134g
 
For Samsung Galaxy S23 Plus
Cell capacity: 4800mAh
Rated capacity: about 2550-3200mAh
Charging time: ~ 5 hours
Product net weight: 146g
 
 
For Samsung Galaxy S23 Ultra
Cell capacity: 4800mAh
Rated capacity: about 2550-3200mAh
Charging time: ~ 5 hours
Product net weight: 150g
 

-Battery type: lithium-ion polymer battery
-Material: High Quality TPU+Plastc


NOTE:

Portable Battery charger case has two regular standard of capacity , one is the battery capacity, one is the rated capacity. 

Why exist this difference?

The most important reason is the conversion rate. Because most of power bank's battery voltage is 3.7V, and power bank needs to increase the voltage to 5V when charging the mobile phone, which making the power bank's conversion efficiency only 3.75/5=74%, Also include generated heat when battery voltage boosting, and various of wire consumption, Electricity and self-consumption. these points add up to account for 30%-40% of the power of the mobile power source.
So the 5,000mAh power bank can really be used by us only about 3000-4000mAh.

Also, The conversion rate of the entire mobile power industry is basically in the range of 60%-70%. Please kindly noted.

Please search on Google if want to know the details!

 

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