We focus on providing high quality batteries and related accessories. This 100% brand new Asus C21N1808 battery is designed for long-lasting and stable performance. The battery for Asus Chromebook C523NA C523NA-DH02 C423NA-DH02 provides a one-year warranty, faster delivery and thoughtful after-sales service.

4800mAh/38WH C21N1808 Replacement Battery for Asus Chromebook C523NA C523NA-DH02 C423NA-DH02

C21N1808
Product Specifications
Brand: Asus
Battery Type: Li-ion
Battery Voltage: 7.7V
Battery Capacity: 4800mAh/38WH
Warranty: 30 Days Money Back, 1 Year Warranty.
Over 500-800 times of charge and discharge.

Compatible Part Numbers:
Compatible Models:
Asus C423NA-RH91T-CB, C423NA-BZ0057, C523NA-BR0035, C423NA-DH02, C423NA-BV0054, C523NA-0021AN4200, C423NA-EB0033, C523NA-A20007, C523NA-1A,C423NA-BV0017, C523NA-EJ0052, C423NA-EB0063, C523NA-A20025, Asus Chromebook C523NA-A20026, C423NA-BV0028, C523NA-EJ0058, C423NA, C423NA-BV0078, C523NA-A20057, C423NA-BZ0027, C523NA-BR0043, C423NA-1A, C423NA-BV0051, C523NA-A20093, C423NA-EB0050, C523NA-A20045, C423NA-EB0020, C423NA-BZ0004, C523NA-EJ0053, Asus Chromebook C423NA, C423NA-EB0108, C523NA-A20033, C423NA-BV0044, C523NA-EJ0054, C423NA-0031AN4200, C523NA-A20026
Asus Chromebook C523NA-DH02, C423NA-BZ0038, C523NA-BR0067, C423NA-BV0001, C523NA-A20105, CHROMEBOOK C523NA-IH24T
Asus Chromebook C523NA, C523NA, C523, C423

Follow the notice below, Better using your Asus C21N1808 Battery
1.Storage - Store your Asus C21N1808 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 C21N1808 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 C21N1808 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 Asus C21N1808 battery is a lot less efficient when not within its standard operating temperature range.

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