1. lt is strictly forbidden to charge non-12V output voltage batteries, non-lead.acid batteries, scrap batteries or batteries with no voltage, and it is strictlyforbidden to charge lithium batteries!2. To charge the vehicle or device, please remove the battery, In order to avoidfire, please do not charge in the car, and choose a space without flammable andexplosive materials for charging.3. When the charging time exceeds 10 hours and is unattended, the powersupply should be cut off. lt is strictly forbidden to charge for a long time!4. During charging, the charger is strictly prohibited from being covered andmust be placed in a well-ventilated place, Used outdoors, beware of rain.Beware of flames, sparks and explosive gases to avoid fire.5. Before charging, check the charger for abnormalities, plugs and power cordsfor breakage and cracking, if there are abnormalities, stop using the product.6. Disconnect the power supply before connecting or disconnecting the batterycharger with the battery. Warm TipsPlease read it carefully,lf the product is damaged due to violation of the abovematters, you will not enjoy the warranty service; The personal and propertylosses caused by it are at your own risk and must be known!