Replacement charger only for WORKPRO 12V Li-ion Battery Pack (For W123015AE, W123016AE, W121037AE, W125077AE, W125110AE, W009088AE). Not compatible with other brands and products! Input: 100-240VAC 50/60HZ; Output: 13.5V DC 2.0A; charger cord length 1.8m; charging time: 1 hour The red light is on when charging, and the green light is on when fully charged. Attention: If you don’t know which products are suitable for it, please consult us in advance. Notice: This charger requires the battery pack to be placed in the base and the charger to be inserted into the base for charging. It is not suitable for direct plug-in battery packs, that is, the charger is directly inserted into the battery pack for charging. WORKPRO Charger for 12V Li-ion Battery Pack