The Sterling Power BB1230 12V 30A Battery to Battery Charger is a reliable and efficient tool for charging your batteries while on the road. With a length of 190 mm, it is compact enough to fit in any campervan or caravan. This charger is designed for use with campervans, caravans and other vehicles of similar types. The BB1230 model from Sterling Power is a high-quality charger that is easy to use and install. It comes with a manufacturer part number of BB1230, and is suitable for use with a range of brands. This charger is perfect for anyone who wants to keep their batteries charged and ready to go while on the move.