Performance will be optimal after 2 or 3 normal uses. Allow the battery to cool down before recharging.
A duration of 20 to 30 minutes is preferable. Do not charge it immediately after it is depleted. Please recharge the battery as soon as it has cooled down. If you do not recharge the battery in time, it will remain at low voltage for a long time and it will be difficult to recharge again. Please remove the battery from the device during assembly, cleaning, or inactivity.
Store the battery in a dry, cool, and clean place. Keep it away from high temperatures and metal objects. Do not leave the battery unused for a long time. Use it at least every 2 or 3 months. Local DE warehouse, items to DE will be shipped in 1 day, generally you can receive it in 1-2 working days; To other countries: the package will be sent by DHL from DE, it usually takes 4 to 7 working days to reach you. Our customer service will check the status for you. These costs are the responsibility of the buyer. Please check with your country's customs office to determine what these additional costs will be before bidding/purchasing. We understand that sometimes an item may not exactly match what you need. The request for a refund or replacement is available within 30 days of receiving the package and the returned item must be in its original condition and packaging. Due to the quality issue of our products, we will cover the return shipping costs; otherwise, the buyer must pay for return shipping. Please contact us before returning items and we will provide you with the return address.DO NOT send without communication. Tecmana is a globally recognized brand that has its own manufacturer providing a full range of batteries and chargers for power tools and vacuum cleaners. 20 years of experience in research and development and manufacturing makes us more professional in quality control, user experience, and after-sales service. We are now meeting our customers directly and offering the best deal, please buy with confidence. If you have a problem with the item or order, feel free to contact me, we will respond as soon as possible after reading it.
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