MMG Lithium Compatible 2Ah Smart Battery Charger and MaintainerSPECCIFICATIONS: Fully automatic charging of Standard, AGM or Lithium-Iron batteries. Lightweight, compact and easy-to-use.Intelligent maintainer: Can be used as a daily maintainer when the vehicle is in storage or used infrequently. It will automatically charge the battery once the system monitors the battery voltage is less than the recommended set value.Automatic verification stage: Automatically checks the battery condition; and will stop charging if the battery voltage is less than 2V or if the battery voltage cannot reach 10V after two hours charge.Low voltage recovery program with automatic charging selection modes.Constant current charge: While the system monitors battery voltage over 10 volts, it will deliver a stable, constant current of 2 Amps until the battery voltage reaches 14.2V.