The SIP CHARGESTAR D40 Digital Battery Charger is a powerful and portable digital battery charger designed for charging all types of 12v and 24v lead acid batteries. Featuring an intelligent microprocessor with 8-step automatic charging cycle, the CHARGESTAR D40 makes battery charging easier, faster and safer. Applications & uses: Ideal for battery charging applications in automotive and workshop environments. Suitable for charging commercial vehicle batteries. SIP 2-Year Standard Silver Warranty Versatile battery charger suitable for a variety of 12v and 24v lead acid batteries This includes WET, MF, EFB, AGM and CaCa battery types. Charging capacity of up to 550Ah for 12v and 300Ah for 24v. Microprocessor-controlled charger maintains healthy long-life battery performance An intelligent 8-step cycle automatically diagnoses battery condition and voltage before beginning a charging cycle. Once battery capacity is full, the unit stops charging and a control panel light is displaye