This link is a tent lamp charging cable. The original charging cable of the lamp is 220V direct charge before it can be used. If the lamp has not been charged for a long time, the battery may have been damp and bulging, if you plug it in and charge it, there may be a short circuit or the power is down. If it has not been charged for a long time, please be careful. Dear friends, consider placing an order. We will not be responsible for any situation caused by the lamp itself. Thank you for your understanding.