The Thunder 12v 4 amp 8 stage battery charger TDR02104 is the perfect solution for maintaining the battery of your motorboat or car. With its 8 stage charging process, this charger ensures a safe and efficient charge for your battery. It is easy to use and has a compact design that makes it convenient to carry around. This battery charger is suitable for all types of 12-volt lead-acid batteries, including AGM, GEL, and flooded batteries. It comes with a range of safety features such as overcharge protection, short circuit protection, and reverse polarity protection. With its LED indicators, you can easily monitor the charging progress of your battery. Get the Thunder 12v 4 amp 8 stage battery charger TDR02104 today and ensure your battery is always ready to go.