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4000mAh S Replacement Battery for Umidigi UMI S

We focus on providing high quality batteries and related accessories. This 100% brand new Umidigi S battery is designed for long-lasting and stable performance. The battery for Umidigi UMI S provides a one-year warranty, faster delivery and thoughtful after-sales service.

4000mAh S Replacement Battery for Umidigi UMI S



Product Specifications


Brand: Umidigi


Battery Type: Li-ion


Battery Voltage: 3.85V/4.4V


Battery Capacity: 4000mAh


Warranty: 30 Days Money Back, 1 Year Warranty.


Over 500-800 times of charge and discharge.



Compatible Part Numbers:


Compatible Models:


Umidigi UMI S



Follow the notice below, Better using your Umidigi S Battery


1.Storage - Store your Umidigi S Battery in a clean, dry, cool place away from heat and metal objects. The Lenovo L18C3PD2 batteries will self-discharge during storage; remember stored at about 40% state-of-charge.


2.Charge and discharge - For lithium ion batteries, you do not need to discharge them fully and recharge constantly. You need to do a full discharge only about every 30 charges. Do not charged to higher voltages than its threshold voltage.


3.Exercise Your S Battery - Do not leave your batteries dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.


4.Calibrate Your batteries - If your Battery's 76% even less in work , you must fully charge, fully discharge, and then fully recharge the Laptop Battery pack.


5.Consider removing the S battery from a laptop when running on fixed power.


6.Do not short-circuit. A short-circuit may cause severe damage to the battery.


7.Avoid propping your laptop on a pillow, blanket, or other soft surface that can heat up. Your Umidigi S battery is a lot less efficient when not within its standard operating temperature range.



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