The Warta battery is a maintenance-free product and does not need to be refilled. Unless there is an abnormal situation, such as the charger's current-limiting voltage regulator failure, causing accidental overcharging of the battery, etc., in this case, you need to find a professional battery maintenance personnel to operate, and then carefully disassemble it and refill it before sealing.
Since the Warta battery is a maintenance-free battery, it is not possible to repair it from a maintenance point of view. But if it is from the perspective of maintenance, the battery can be charged and maintained regularly, such as slow charging for desulfurization, which is beneficial to exercise and maintain the storage and discharge capacity of the battery, so as to extend the service life of the battery.
Varta batteries are divided into yellow label, blue label, silver label and black label. The yellow label Varta battery has a relatively short research and development time, and the quality problem is unknown. Its warranty period is two years, and the price is more expensive. . The blue-label Varta battery is a relatively mature series, with relatively stable quality, and a warranty period of one and a half years.
The black label battery is the most cost-effective, while the silver label battery has stronger performance, especially when there are more electrical equipment in the car, it can be clearly felt.
In daily use, the battery should be used and maintained in the correct way. For example, when the car is not running, try not to use the electrical appliances on the car (navigation,illumination,AudioEtc.); when leaving the vehicle, first turn off the electrical equipment on the vehicle, and finally turn off the engine; regularly go to the 4S shop or professional car repair station for testing.
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