This portable 4A smart charger does more than just charge 12V vehicle batteries. It has the ability to activate, analyse and recondition the battery in 10-steps, making it ideal for deep discharged batteries. The charger can be connected to a Lead-Acid or Lithium battery for a long duration without the risk of overcharging. It can also be used in winter temperatures as low as -20°C. It is easy to use and a cost-effective solution to keep batteries in good condition all year round. Features and Benefits10-step automatic smart charger that analyses and reconditions deep discharged batteriesCharges and maintains 6V* and 12V Lead-Acid batteries and 12V Lithium batteries at 100% for a long durationWinter charging mode protects batteries in freezing temperatures12V DC power supply enables battery removal without losing car settingsCompatible with 6V* and 12V vehicles including cars, motorcycles and vansCharges EFB batteries when in 12V STD mode*Standard wet/lead acid ba