Can a 24v charger charge a 12v battery? How much is a 12v battery charger

I believe that many friends will be equipped with chargers to charge the batteries of their cars. But some careless friends, after buying them back,discoverThe output voltage of the charger is large, and I don’t know whether to buy a charger with a smaller output. So there was such a question, whether a 24v charger can charge a 12v battery, and how much does a 12v battery charger cost.

If you want to use a 24v charger instead, the only way is to achieve it through current limiting and voltage reduction. The battery charging current is related to the battery capacity, and is generally one-tenth of the battery capacity (error ±0.5). For example, for a battery with a specification of 12V20AH, the normal charging current is 1.5A-2.5A. Then we can adjust the gear on the charger according to the corresponding output current. But never adjust to excessive current output, the consequences are unimaginable (damage the car battery). Of course, the current chargers on the market are very intelligent and can automatically adjust the output current according to the battery condition, thereby minimizing the damage to the battery.

How much is a 12v battery charger

12v battery charger, generally 100-250YuanWithin the price range. But we’d better go to a formal channel to buy. After all, there are still many low-quality products in circulation. Not only are there no good guarantees in terms of quality, but there is also no over-voltage and over-current protection, so there is a certain amount of protection during charging. Security risks. Therefore, in order to avoid the occurrence of these things, we have to play up the spirit when buying.