What is the difference between ship batteries and regular batteries?

　　There are three types of batteries

　　1. Ordinary battery: The electrodes of ordinary batteries are composed of lead and lead oxide, and the electrolyte is hydrochloric acid aqueous solution. Its main advantages

　　The point is that the voltage is stable and the price is cheap; The disadvantage is that it is lower than the energy (i.e. the amount of stored electricity per kilogram of battery), has a short service life, and requires frequent daily maintenance.

　　2. Dry rechargeable battery: Its full name is dry rechargeable lead-acid battery. Its main feature is that the negative electrode plate has a high energy storage capacity. Under natural dry conditions, it can store the electricity obtained within two years. When in use, simply add electrolyte and it can be used after 20-30 minutes.

　　3. Maintenance free battery: Due to its structural advantages, the electrolyte consumption of maintenance free batteries is particularly small, and there is basically no need to replenish distilled water during their service life. It also has the characteristics of shock resistance, high temperature resistance, small size, and low self discharge. The lifespan is usually twice that of a regular battery. There are two types of maintenance free batteries on the market: the first is to add electrolyte at once when purchasing, and then use it without maintenance (adding supplementary solution); The second issue is that the battery itself has been filled with electrolyte and sealed before leaving the factory, making it impossible for customers to add supplementary liquid.

　　4. Ship specific batteries

　　Both are batteries, but there are still differences in their uses. The battery life of a battery car is 3 hours, and the discharge time of a marine battery is 20 hours. Marine batteries are generally used for starting and are plate batteries, while some battery car batteries are tube type electrode plates.

　　5. Lead acid batteries for ships

　　The battery capacity of hybrid vehicles varies depending on factors such as brand and place of origin, generally ranging from 15-60kWh. Automotive battery specifications: 1. The automotive lead-acid battery is 12V, which means that the automotive lead-acid battery consists of 6 series connected battery packs with a rated voltage of 12V; 2. Among them, 6 electric meter batteries use 6 units, Q is a car battery, M is a motorcycle battery, D is an electric car battery, F is a valve controlled battery, JC is a ship battery, and HK is an aviation battery; 3. A and W represent battery types, A represents dry battery type, W represents maintenance free battery, and if not marked, it represents general battery type.

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