CS03XL Laptop Battery for HP EliteBook 840 850 755 745 G3 G4, ZBook 15u G3 G4, Series 800231-141 800513-001 800231-1C1 800231-271 HSTNN-UB6S HSTNN-IB6 YHSTNN-I33C-4 CS03 CS03046XL

• Compatible laptop P/N: Battery fit for HP Elitebook 745 755 840 848 850 G3 Series; HP Elitebook 745 755 840 850 G4 Series; HP mt42 mt43 Mobile Thin Client; HP ZBook 15u G3 15u G4 Mobile Workstation Notebook
• Compatible battery model: Laptop battery replacement compatible with HP CS03, CS03XL, CSO3, CSO3XL, T7B32AA, CS03046XL,800231-141, 800231-271, 800513-001, 800231-1C1, HSTNN-DB6U, HSTNN-UB6S, HSTNN-IB6Y, HSTNN-I33C-4, HSTNN-I33C-5, HSTNN-I41C-4, HSTNN-I41C-5
• Safe & Reliable Battery: All laptop batteries have passed CE, FCC and RoHS certification. Each battery has passed strict quality inspection procedures before shipping to ensure safety during use.

Laptop Battery Maintenance Tips:

• When using your new battery for the first time, you need to prime the battery by charging it to 100% and discharging it to 20% for 3 times. If you don't know how to install a new laptop battery, you can search "How to install a new laptop battery?" on website.
• DO NOT let the battery drain to 0%: If you constantly let it drain to 0%, the battery becomes unstable will be seriously degraded.
• DO NOT keep your battery always fully charged: Just like emptying your battery to 0%, keeping your battery permanently charged at 100% is very harmful. As time goes by, this will increase its internal resistance and reduce its capacity.
• Perform regular charging cycles: If you don’t use your Laptop battery very often, it is important to cycle it (discharge => charge) regularly, at least once a month. Please store the unused battery fully charged. Do not store at low power to prevent reduce the lifespan of a battery.