It is important to check the battery completely before reconnecting to electrical devices. Should the voltage drop below 12.5V, recharge the battery. Check the state of charge or voltage regularly. If the State of Charge Indicator advises 'Replace Battery' it is important that the battery is replaced as the electrolyte levels may be below the plates which can lead to an internal explosion.įor batteries used in seasonal applications and stored long term, fully recharge the battery prior to storing. The vehicle may still start the engine although the indicator outlines to replace the battery. This gives you a snap shot of the battery's condition and whether the battery needs to be charged or replaced. When servicing a sealed maintenance free (SMF) battery, check the State of Charge Indicator. Top up using distilled or demineralised water and never fill with sulphuric acid. If topping up is required, do not over fill as the fluid levels will rise when the battery is fully charged and may overflow. If you have a maintainable battery, it is important to check if the battery has sufficient electrolyte covering the battery plates. This usually indicates the battery has been overheated or has been overcharged. Inspect the battery case for obvious signs of physical damage or warpage. These should be clean, tight and free of corrosion.Īpply a thin coating of high temperature grease to posts and cable connections for added protection. Inspect the terminals, screws, clamps and cables for breakage, damage or loose connections. A dirty battery can discharge across the grime on top of the battery casing. A charged Century battery will have a stabilised voltage above 12.5 volts and an SG reading above 1.240.Įnsure the battery top is clean, dry, free of dirt and grime. However, a more reliable way to check is with a voltmeter to determine the stabilised voltage or if the vent caps are removable a hydrometer to determine the specific gravity (SG) of the electrolyte. Most batteries have a State of Charge Indicator on top of the battery that will give you an on the spot diagnosis of the battery condition. Use the following as a guide when examining your battery:Ĭheck the battery's state of charge. A routine inspection at least once a month is recommended to maintain optimum performance. Regular testing and inspection will help to maximise battery life. For tips on how to keep your battery in top condition, please follow the links below. However, you could change the menu bar item type to text instead of icon and use this app in combination with the system battery indicator.Taking good care of your battery will help to extend its service life. The app is not able to show “Apps Using Significant Energy” because of restrictions imposed on apps in the App Store. The app does not have a “Charge to Full Now” button. Tip: Press the Option key while the menu is open to see battery condition and health. Requires a MacBook, MacBook Pro, or MacBook Air. There’s also a setting to notify when the battery is fully charged or at certain percentages. That means you can place this app exactly where the system battery indicator used to live. You can also reorder menu bar icons by dragging them around while pressing the Command key. You can hide the system battery indicator by dragging its icon out of the menu bar while pressing the Command key. The app has a setting to hide the menu bar icon when the power plug is connected, which can be useful if you only care about the battery time/percentage when on battery. Shows the remaining battery time and percentage in the menu bar.
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