Exmate Li-ion 18V 2500mAh Replacement Battery for GARDENA 8839 8835-U

Li-ion VS Ni-CD 1. Li-ion battery is much more eco-friendly then Ni-CD battery, make no pollution to the environment. 2. The memory effect of Li-ion battery is much smaller then Ni-CD battery, almost no memory effect. 3. Li-ion battery's lifetime is longer then Ni-CD battery. Replace for: Gardena: 8839, 8835-U Compatible With: Gardena TurboTrimmers Models 8840 / 400 Li, 8841 / 450 Li Gardena Chain Saw Model 8865 Gardena Hedge Trimmers Models 8873, 8878, 8882 Guarantee: 30 days full refund and return, we promise to provide the best products and the best service for you. Package: 1 x Replacement Battery Announcements: 1. Please don't store the batteries for a long time, it need to be used at least once a month. 2. If it's necessary, please using a cotton swab with alcohol to clean the battery contacts. 3. After long-time using in your power tools, please fully rest the batteries. 4. Before recharging the batteries, please make sure that the batteries have already coolled down. 5. For safe transportation, the batteries have not been full charged, after three cycles (full charge and full discharge for three times), the batteries can reach the best condition. 6. When your power tools are stucking and unable to run, please don't force it to run. Otherwise excessive current will burn down the batteries. The right way is that pulling the tools back and running the tools again smoothly.