Dear buyer: welcome your visit, our products are of high quality and support customization. If necessary, please contact customer service, we will serve you sincerely, thank you! 1. Warranty: The battery is guaranteed for 1 year. If there is any quality problem, it will be repaired or replaced free of charge. 2. DDP service: For the following countries, taxes or duties are paid by us. Russian Federation, Belarus, Ukraine, South Korea, Thailand, Singapore, Malaysia, Germany, France, Spain, Netherlands, Italy, Bulgaria, Belgium, Latvia, Poland, Denmark, Finland, Portugal, Sweden, Slovakia, Slovenia, Greece, Hungary, Czech Republic Republic, Lithuania, Luxembourg, Romania, Ireland, Estonia, Austria, Croatia, Australia About transportation 1. Since the battery is a special product, the transportation channel is different from that of ordinary products, and the delivery time will be longer than that of ordinary products, but we will use faster express delivery to mail to you, please rest assured. 2. The delivery time for European and American countries is about 30 days. 3. The delivery time for Asian countries is about 20 days. 36V Samsung Electric Bike Battery Specifications: Rated voltage: 36V Rated capacity: 23AH/30Ah/35AH/40AH/50AH/60AH Battery: Built-in Samsung battery Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery Battery size: 385mm x 110mm x 75mm Battery weight: about 4 kg. Charging method: CC/CV. Standard Charging Current: 3A. Maximum continuous charging current: 5A. BMS: 90 A max., 100±10 A max Charging voltage: 42V Discharge cut-off voltage: 29.8V Suitable motor power: 250W-2000W Cycle life: 1500 times Charging temperature: -15-65°C Discharge temperature: -15-65°C Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance (Note: The motor voltage needs to be the same as the battery voltage) 48V Samsung Electric Bike Battery Specifications: Rated voltage: 48V Rated capacity: 20ah/24AH/30Ah/35AH/40AH/50AH/60AH Battery: Built-in Samsung battery Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery Battery size: 385mm x 110mm x 75mm Battery weight: about 4.5 kg. Charging method: CC/CV. Standard Charging Current: 3A. Maximum continuous charging current: 5A. BMS: 90 A max., 100±10 A max Charging voltage: 54.6V Discharge cut-off voltage: 39.2V Suitable motor power: 250W-2000W Cycle life: 1500 times Charging temperature: -15-65°C Discharge temperature: -15-65°C Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance (Note: The motor voltage needs to be the same as the battery voltage) 52V Samsung Electric Bike Battery Specifications: Rated voltage: 52V Rated capacity: 20ah/25AH/30Ah/35AH/40AH/50AH/60AH Battery: Built-in Samsung battery Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery Battery size: 385mm x 110mm x 75mm Battery weight: about 4.5 kg. Charging method: CC/CV. Standard Charging Current: 3A. Maximum continuous charging current: 5A. BMS: 90 A max., 100±10 A max Charging voltage: 58.8V Discharge cut-off voltage: 42.2V Suitable motor power: 250W-2000W Cycle life: 1500 times Charging temperature: -15-65°C Discharge temperature: -15-65°C Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance (Note: The motor voltage needs to be the same as the battery voltage) 60V Samsung Electric Bike Battery Specifications: Rated voltage: 60V Rated capacity: 20ah/30Ah/40AH/50AH Battery: Built-in Samsung battery Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery Battery size: 385mm x 110mm x 75mm Battery weight: about 4.5 kg. Charging method: CC/CV. Standard Charging Current: 3A. Maximum continuous charging current: 5A. BMS: 90 A max., 100±10 A max Charging voltage: 67.2V Discharge cut-off voltage: 48V Suitable motor power: 250W-2000W Cycle life: 1500 times Charging temperature: -15-65°C Discharge temperature: -15-65°C Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance (Note: The motor voltage needs to be the same as the battery voltage) 72V Samsung Electric Bike Battery Specifications: Rated voltage: 72V Rated capacity: 25Ah/30Ah/35Ah/40AH/50AH/60Ah Battery: Built-in Samsung battery Model Number: Electric Scooter/Electric Bike/Lithium-ion Battery Battery size: 385mm x 110mm x 75mm Battery weight: about 4.5 kg. Charging method: CC/CV. Standard Charging Current: 3A. Maximum continuous charging current: 5A. BMS: 90 A max., 100±10 A max Charging voltage: 84V Discharge cut-off voltage: 60V Suitable motor power: 250W-2000W Cycle life: 1500 times Charging temperature: -15-65°C Discharge temperature: -15-65°C Protection functions: overcharge, overdischarge, overcurrent, short circuit, balance (Note: The motor voltage needs to be the same as the battery voltage) Lithium battery features: 1.Life expectancy is two times that of lead-acid batteries.The weight is more lighter 2.No memory effect and rechargeable.the battery life is more longer 3.Safer and more environmentally friendly, No heavy metals and hazardous substances. 4.Built-in IC chip will prevent battery pack over charge, over discharge, over-current,over-heat, short circuit 5.Avoiding mechanical accidents caused by vibration. New 36v/48V/52v/60v/72v large capacity lithium-ion battery, suitable for high-power motor 250w 500w 750w 1000w 1500W 2000W 2500W 3000W, built-in Samsung battery, imported high-quality battery, large capacity, long use time, used to modify mountain bikes/electric bikes/robots, long cruising range, with charger Precautions for battery use: 1. Before first use, please fully charge the battery. 2. Do not immerse the battery in water or get the battery wet! 3. Do not reverse the positive and negative poles, or short-circuit the battery with wires or other metallic objects! 4. Do not nail, knock, step on the battery or disassemble the battery and battery pack in any way! 5. It is forbidden to put the battery in the microwave oven, pressure vessel or fire source! 6. If the battery emits odor, heat, deformation, discoloration or any abnormal phenomena, please stop using it immediately! 7. Do not use the battery in direct sunlight or high temperature environment. Otherwise, the battery pack will overheat, affecting battery performance and shortening battery life! 8. The battery pack and charger should be stored in a clean, dry, ventilated place, avoid contact with corrosive substances, and away from fire and heat sources. 9. When the battery pack is to be stored for a long time, please charge the battery pack to about 50% capacity and store it in a dry and ventilated place, and charge it for 2 to 3 hours every 3 months. 10.If you have any questions about product quality, please contact us by email immediately, we will try our best to solve these problems! About our company Guojin Industrial (Guangdong) Co., Ltd. is a professional manufacturer specializing in the production of power tool batteries, electric bicycle batteries, lithium battery products, lithium ion battery packs, car batteries and other equipment batteries. We have R&D, production and maintenance centers in China. We have many lithium battery cell models, which can be customized according to customers' detailed requirements and applications. Our products are exported to Europe, America, Russia, Southeast Asia, Asia, South America and other countries. The product is safe and reliable. Welcome new and old customers to visit and look forward to cooperating with you.

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