The external battery provides users with uninterrupted power supply for nearly 7 hours.This is a major breakthrough in this area, as laptop users have to rely on normal batteries that only work for two hours.The battery outside is very cheap and can be charged via an external battery charger.Mobile users can decide on the chemical substance nickel-cadmium used to make these batteries, or as NiCd, nickel-metal hydrogen or NiMH, lithium-ion or Li-Macbook al185 battery, Macbook al175 battery, Apple al185 battery, Macbook pro al175 battery, Apple Macbook al185 battery, Macbook alAs the price of computers and other devices is high, the price of laptops is also falling.This means that people are using laptops more and more, and they are using them longer.These batteries are ideal for those who wish to provide extended power to their laptops during their travels.The external Apple laptop battery is connected to the laptop via a power adapter and usually has two output levels.It consists of adapters, ropes and thirteen other connectors.Another advantage these batteries offer is that they are universal.This means that an external battery pack manufactured by a particular company can be used with a laptop of another brand and model.The batteries outside are radically changing the computer world, offering greater mobility and extended power to those who want to use their laptops for more than two hours without worrying about power outages.How does Apple laptop replace battery charge?1.For initial use, it is recommended to discharge the Apple battery to 3% and then fully charge it (about 12 hours ).2.Do not let the battery initially discharge to 0% as this makes it easy for the battery to damage/short battery life/do not keep charging issues.3.The battery after use must be charged within 2 days, not more than 50% before use, otherwise it will cause damage/short battery life/do not keep charging problem.4.The Apple battery needs a cycle that discharges to 3% and then charges twice a week.Note: Sometimes, a 100% compatible replacement Apple laptop battery may deviate slightly from the original Apple battery.eg.11.1 V Apple battery can be used with 10.8 v battery and vice versa.1) turn down the LCD brightness of the portable device.2) Use built-Power management on portable devices.3) Turn off the LCD or other unnecessary accessories when not in use.4) set the screen saver blank to 1 to 2 minutes for the laptop.5) add more RAM if you have additional RAM expansion slots, which will reduce the use of the hard drive and run out of power.On your notebook.7) remove unused PC cards or USB devices from your laptop.8) don't watch a DVD or play graphics-intensive video games.9) do not short-circuit terminals or store battery packs with metal parts.10) Do not discard or damage the battery pack.11) do not be exposed to moisture or water.12) It is normal to keep warm during charging or normal use.If it is too hot, there may be a problem with the equipment, and qualified personnel should check it