There can be several reasons. One reason may be that the battery has reached the end of its life (charge cycles). It may also be overcharged or over-discharged.
VETUS supplies first class quality batteries. In general a good maintained battery can last up to 5-10 years. This all depends on the usage circumstances. Temperature, correct charging and discharging behaviour are of importance. The way the battery is being maintained can have big effects on the life cycle of a battery. Positive or negative.VETUS provides a 3-year limited warranty on batteries.
The corrosion on battery poles does create unwanted resistance. This will reduce battery preformance. Therefeore you should clean the effected connection as soon as possible. Prior to removing the battery pole terminals, switch off any battery users and the main switch. Remove the battery clamps, and clean both the clamps, and battery poles wih a copper brush. After cleaning, lightly grease the battery clamps and poles with a dieelectric grease. Connect the clamps on the correct battery pole and tighten firmly. After this maintenance job, the main switch can be switched on again.
If you notice a lot of noise, you need to stop charging and check the battery and charger. Please note though that a battery always produces some sound during charging. (light bubbling). A hissing sound implies extruding gasses, and the charge process should be stopped.
You cannot throw it in the bin with your regular garbage, but you need to bring it to a collection point for hazardous materials, or exchange it at your battery sales point.
No, all VETUS batteries are entirely sealed and therefore maintenance free. During normal usage the battery is filled with fluid for life!
No, this is not recommended. Each type of battery has its own characteristics which could cause problems when charging and discharging. In the end the life-cycle of the battery pack will reduce.
When connecting the battery terminals to the battery pole, make sure the correct terminal is on the correct battery pole . There is a slight size differnce between the postive and neutral pole. Never use force (hammer), to place the battery terminals. Hammering down a terminal might damage the soft lead iside the battery. This will reduce the lifetime of the battery dramaticly!(and is not covered by waranty)
Yes you can. During charging it is highly recommended to use a battery temperature sensor, to guard for too high battery temperatures during charging. This will also enhance the battery life in a warm environment.
It is not allowed to place the battery in a poorly ventilated area. When placed in a closed compartment a vent opening to the outside should be present to prevent the accumulation of possible dangerous gasses.
You will need to replace the whole series as the new battery has a different tension than the old ones. In order to prevent problems, you must replace all batteries.
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