52V 48V Hailong Lithium Ion Ebike Battery for 200W1000W Electric Bike Motor Product Details & Features: (1) Long life 1000+ cycles, Quality Grade A cell, Riding time longer than ordinary batteries. (2) With LED battery indicator, USB port, power switch, safety lock, cell balance and other functions. (3) Fully automatic built in battery protection system. Prevent the battery from overcharging, overdischarging, and short circuit. 52V 48V Ebike Battery Lithium Ion Battery for 750W 1000W Electric Bike Motor. Our batteries are suitable for most electric bicycles, except. Bosch, SHIMANO, Yamaha and Panasonic. Product Details & Features. (1) Long life 1000+ cycles, Quality Grade A cell, Riding time longer than ordinary batteries. Ebike Battery: 1 set Key: 2 pcs. Battery Charger: 1 pcs Instruction manual: 1 pcs. Charger AC plug: 1 pcs Quality Certification:1 pcs. (Except weekends and holidays). We will reply you within 12-24 hours, thank you very much for your understanding. If the battery has a power switch, turn it on when charging and using it. We usually judge whether the battery is fully charged by the charger light turning green. And each power indicator only represents 25% power, which is only a proportional data. When the battery is charged to 75%, it will light up 3 green lights, and it will take some time to charge to 100%. The lithium battery can be charged at any time, it is not necessary that all energy is exhausted before charging. The battery should be used within a range of operating temperatures. Otherwise, there may be a loss of properties, leakage and / or rust. The rechargeable battery should be used within a short period of time after recharging, as the battery may self-discharge during prolonged storage. If long-term storage is required, the battery, which is 50% to 60% stored in a voltage range, is best because storage at higher voltage can result in loss of performance. Do not immerse the battery in water or seawater. Store the battery in a cool, dry environment. The battery should not be used near a heat source as a fire or heater. Use the charger specifically for charging. Do not interchange the position and the negative terminals. Do not connect the battery electrodes to a power outlet. Do not throw the battery in fire or heating. Do not short-circuit the battery by connecting the positive and negative poles directly to metal objects. Do not carry or store the battery with metal objects such as hairpins, necklaces, etc. Do not hit the battery, throw any trampling damage or throw it. Do not solder the battery directly and do not pierce it with a nail or other sharp object. After receiving the message, we will reply within 12-24 hours.