1. Only compatible and interchangeable with GreenWorks G-Max 40v units. Not for other similar brand product.
2. For transport safety, batteries will not fully charged when being shipped from factory.(Only battery, charger is not included.)
3. Always allow battery to cool down before recharge it.Please store it in a clean, dry, cool place away from heat and metal objects.
4.Always remove battery from tool when you are assembling parts,making adjustments,cleaning,or when not being used for an extended time.
5.Please don’t let the battery as dormant for a long time. We recommend charging at least once every 2-3 weeks.
6.Do not use power tool batteries for 30 days or longer. Please store the batteries in a clean, dry, ventilated, and ventilated place, away from heat sources and metal objects. Ni-Cd, Ni-Mh, and lithium-ion batteries will self-discharge during storage. Remember to charge the batteries before use.