VANTTECH 2Pack PC18B 18V 3.6Ah Ni-Mh Replacement for Porter Cable 18V Battery PC188 PC18B-2 PC18BLEX PCC489N PCMVC PCXMVC Compatible with Porter

Always remove battery from your tool when you are assembling parts,making adjustments,cleaning, or when not being used for an extended time.2. If you don’t plan on using the Power Tool Battery for a month or more,store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-Mh and Li-ion batteries will self-discharge which is normal during storage; remember to recharge the batteries before use.3. Do not leave the battery dormant for long periods of time.