Battery Asus X550, A450 F450, K550 (4400 mAh)
High quality at a reasonable price, safety and ecology are the features of MITSU batteries, which have already been appreciated by thousands of Europeans, mainly in Poland, the Czech Republic and Slovakia. It is the result of combining the best components with care for each stage of the production process, supported by constant quality control as well as the emphasis on device security.
 
MITSU is

• High-class, proven, class A lithium-ion ecological cells
• The actual declared capacity,
• Significantly slower decline in nominal capacity compared to other cheaper alternatives,
• Low susceptibility to spontaneous discharge,
• No memory effect,
• Factory protection against overcharging and deep discharging, as well as against OVP overvoltage, overheating of OTP, short circuit of SCP and overload of OCP,
• Reliable and long time between successive charging cycles,
• 6-step quality control.

By buying this battery for your laptop, you can also be sure that you care for the environment at the same time. The manufacturer works closely with organizations dealing in broadly understood environmental education, supporting selective collection and maximum waste recovery.
MITSU batteries are products with CE, ROHS and ISO9001 certificates.