Free Tax Powerful 52V 1200W 1500W Electric Bike Triangle Battery 52V 20AH Lithium Battery with 40A BMS and 58.8V 4A Fast Charger. Carefully read the following notes, to ensure the correct use of lithium ion battery. To preventbattery leakage, explosion, fire and so on, please note the following: - do not put the battery into water or get it wet;- not in the heat source (such as fire or heater) near the use or storage battery;Please use the original charger;- do not reverse the positive and the negative electrode;- do not connect the battery directly to a wall outlet or car cigarette socket;- do not put the battery into fire or battery heating;To prohibit the use of wires or other metal objects will prohibit the battery short circuit, battery with necklace, hairpin or other metal objects transport or storage;- it is prohibited to hit, throw or make a battery by mechanical vibration;Forbidden with a nail or other sharp objects pierced the battery shell, ban hammer or pedal battery;Ban - direct welding battery terminal;The battery should be prohibited in any way;Forbidden to charge the battery in fire or extreme conditions.- do not place the battery in a microwave oven or pressure vessel;- with a battery (such as batteries) or different capacity, type, variety combination battery;- do not use the battery if the odor, fever, deformation, discoloration or any other anomalies; if the battery is in use or charge, shall be immediately removed from the electrical appliances or the charger and stop using;- the battery should be placed in the reach of children, if a child accidentally swallowingbattery should immediately seek medical treatment;If the battery leaks or smell, should immediately be removed from close to open;- the electrolyte leakage may cause fire or explosion;If the battery electrolyte after leakage into the eyes, do not rub, rinse with water, immediately seek medical assistance. If not in time, eyes will be hurt. Note!Do not use the battery in the thermal environment, such as direct sunlight or heat of the car.Otherwise, the battery will overheat, may fire (LIT), which will affect the performance of the battery, shorten the service life of the battery.Battery can only be used under the following conditions, otherwise it will reduce batteryperformance or shorten battery life. In the temperature range used batteries may cause overheating, fire or explosion.Working environment:Charging: 0 DEG ~45 DEGDischarge: -20 ~60 DEG CThe 30 days of storage: -20 ~45 DEG CThe 90 days of storage: -20 ~35 DEG CWhen children use the battery, according to the content of the user manual to teach, and pay close attention to them to ensure the correct use of the battery.If the battery leakage, electrolyte to skin or clothes, wash immediately with water flow of the affected area, otherwise may cause skin irritation.Read battery device specifications, correct installation and removal of the battery.If you do not have equipment for a long time, remove the battery and placed in a cool, dry place, otherwise, the battery may rust or poor performance.If the battery terminals become dirty, wipe with dry cloth before use. Otherwise, the battery will be poor contact, causing the energy loss or unable to charge. QualityWe are professional Electric bike battery supplier on aliexpress, We have perfect production process and all kinds of scientific management tools to control the quality,The battery is brand new and every single item you buy from our company has been compeletly tested before shipping , so we can guarantee the quality. ServiceWe are willing to answer any questions about the products no matter Pre sale or after sale.We care about our customer satisfaction! If you have any question,pls contact us directly or leave us message,we will reply as soon as possible.RefundWhen you received the item, please check the quality and quantity in time. if there is any problem in 7days,Feedback the reason where it gets wrong to us. we will resolve it as soon as posiable,If the products still can't work,We will send new replacement or refund once the item is received.FeedbackFeedback will be left in a timely manner after feedback has been received. Should there be any problems with your purchase, please do not leave neutral or negative feedback before contacting us for resolution. We strive to make every transaction a positive experience and will do everything possible to correct any problem. Please don't hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction. 
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