{"product_id":"polly-48v-60v-72v-30ah-ebike-battery-downtube-52v-electric-battery-100a-bms-cham-rider-original-21700-lithium-lon-battery-3000w","title":"Polly 48V 60V 72V 30AH Downtube electric bike battery 52V Electric Battery 100A BMS Cham Rider Original 21700 Lithium Lon Battery 3000W","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003ePremium Downtube Electric Bike Battery for Enhanced Performance\u003c\/h2\u003e\n\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\u003cp\u003eBrand Name: \u003cspan style=\"color: #333;\"\u003eSAIKEUNG\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBuilt-in BMS: \u003cspan style=\"color: #333;\"\u003e50A-100A protection board\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCapacity: \u003cspan style=\"color: #333;\"\u003e31 - 40Ah\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCertification: \u003cspan style=\"color: #333;\"\u003eCE,FCC,RoHS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCharge Cut-off Voltage: \u003cspan style=\"color: #333;\"\u003e42V\/54.6V\/58.8V\/67.2V\/84V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCharger: \u003cspan style=\"color: #333;\"\u003eFree 5A charger as a gift\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCycle Life: \u003cspan style=\"color: #333;\"\u003e800-1000 cycle times\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDimension: \u003cspan style=\"color: #333;\"\u003e368mm*150mm*95mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDischarge Cut-off Voltage: \u003cspan style=\"color: #333;\"\u003e28V \/36.4\/39.2Ah\/48V\/60V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFeature: \u003cspan style=\"color: #333;\"\u003eDowntube Frame ebike battery with USB(Can charge mobile phones)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFit Motor Power: \u003cspan style=\"color: #333;\"\u003e36V\/48V\/52V\/60V\/72V 250W 350W 500W 750W 1000W 1500W 2000W 3000Wmotor\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eHigh-concerned chemical: \u003cspan style=\"color: #333;\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eItem: \u003cspan style=\"color: #333;\"\u003ePolly DP7 lithium Battery For Hailong Batteries\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eNominal Capacity: \u003cspan style=\"color: #333;\"\u003e25ah 30ah 35ah 40ah 45ah 50ah 60ah optional\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOrigin: \u003cspan style=\"color: #333;\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eType: \u003cspan style=\"color: #333;\"\u003eLithium battery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eVoltage: \u003cspan style=\"color: #333;\"\u003e36V\/48V\/52V\/60V\/72V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWarranty: \u003cspan style=\"color: #333;\"\u003e800 cycles warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sbd97d01428a64c1baa44085c9f2e6891p.jpg?width=800\u0026amp;height=450\u0026amp;hash=1250\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 16px;\"\u003e1. Maintenance service: 800 cycles warranty. If there are any quality issues, please contact us for free repair or replacement (if the battery damage is caused by personal behavior, the seller will not bear any losses or provide any services)\u003cbr\u003e2. DDP services (tariffs for the following countries are borne by the seller): Russian Federation, Belarus, France,Ukraine, South Korea, Thailand, Singapore, Malaysia, Germany, Spain, Netherlands, Italy, Bulgaria, Belgium, Latvia, Poland, Denmark, Finland, Portugal, Sweden, Slovakia, Slovenia, Greece, Hungary, Czech Republic, Lithuania, Luxembourg, Romania, Ireland, Estonia, Austria, Croatia, Australia!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S63454e17644d4c8c8a7326224a1be8dc7.jpg?width=1000\u0026amp;height=600\u0026amp;hash=1600\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 20px; font-weight: bold;\"\u003eNotice for shipping time:\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003e1. 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.\u003cbr\u003e2. From the perspective of Chinese orders, it takes 1-2 days for stocking and 7-15 days for shipping to various countries. We choose air transportation (which belongs to land transportation in Russia) to deliver the products to customers in the fastest way possible (ignoring the default time on AliExpress)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sce9350a1b6314c09aa676ec1285138d5C.jpg?width=800\u0026amp;height=260\u0026amp;hash=1060\"\u003e \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sc52fd5cad5a84b20b7692d07359bd496v.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 20px; font-weight: bold; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eE bike 36V 21700 Samsung battery Specifications:\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eRated voltage: 36V\u003cbr\u003eRated capacity: 25ah\/30ah\/35ah\/40ah\/50ah\/60ah\u003cbr\u003eType composition: 10S5P\u003cbr\u003eBattery: Built-in 21700 Samsung battery\u003cbr\u003eModel: Electric scooter\/electric bicycle\/lithium ion battery\u003cbr\u003eBattery size: 368mm x 150mm x 95mm\u003cbr\u003eBattery weight: about 6kg.\u003cbr\u003eCharging method: CC \/ CV.\u003cbr\u003eStandard charging current: 5A.\u003cbr\u003eMaximum continuous charging current: 10A.\u003cbr\u003eBMS: Maximum 100A,\u003cbr\u003eMaximum peak current 100A\u003cbr\u003eCharging voltage: 42V\u003cbr\u003eDischarge cut-off voltage: 29.6V\u003cbr\u003eCycle life: 1000+ times\u003cbr\u003eCharging temperature: -15-65℃\u003cbr\u003eDischarge temperature: -15-65℃\u003cbr\u003eProtection function: overcharge, overdischarge, overcurrent, short circuit, balance\u003cbr\u003eApplicable motor: 250w 350w 500w 750w 1000w 1500w motor\u003cbr\u003e(Note: the battery voltage must match the motor)\u003cbr\u003eThe packing list includes:\u003cbr\u003e1 * 36V lithium ion battery pack (with box)\u003cbr\u003e1 * 30 cm cable assembly\u003cbr\u003e1 * 42v 5A charger\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 20px; font-weight: bold; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eE bike 48V 21700 Samsung battery Specifications:\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eRated voltage: 48V\u003cbr\u003eRated capacity: 25ah\/30ah\/35ah\/40ah\/50ah\/60ah\u003cbr\u003eType composition: 13S5P\u003cbr\u003eBattery: Built-in 21700 Samsung battery\u003cbr\u003eModel: Electric scooter\/electric bicycle\/lithium ion battery\u003cbr\u003eBattery size: 368mm x 150mm x 95mm\u003cbr\u003eBattery weight: about 7kg.\u003cbr\u003eCharging method: CC \/ CV.\u003cbr\u003eStandard charging current: 5A.\u003cbr\u003eMaximum continuous charging current: 10A.\u003cbr\u003eBMS: Maximum 100A,\u003cbr\u003eMaximum peak current 100A\u003cbr\u003eCharging voltage: 54.6V\u003cbr\u003eDischarge cut-off voltage: 39.2V\u003cbr\u003eCycle life: 1000+ times\u003cbr\u003eCharging temperature: -15-65℃\u003cbr\u003eDischarge temperature: -15-65℃\u003cbr\u003eProtection function: overcharge, overdischarge, overcurrent, short circuit, balance\u003cbr\u003eApplicable motor: 250w 350w 500w 750w 1000w 1500w 2000w motor\u003cbr\u003e(Note: the battery voltage must match the motor)\u003cbr\u003eThe packing list includes:\u003cbr\u003e1 * 48V lithium ion battery pack (with box)\u003cbr\u003e1 * 30 cm cable assembly\u003cbr\u003e1 * 54.6v 5A charger\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 20px; font-weight: bold; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eE bike 52V 21700 Samsung battery Specifications:\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eRated voltage: 52V\u003cbr\u003eRated capacity: 25ah\/30ah\/35ah\/40ah\/50ah\/60ah\u003cbr\u003eType composition: 14S5P\u003cbr\u003eBattery: Built-in 21700 Samsung battery\u003cbr\u003eModel: Electric scooter\/electric bicycle\/lithium ion battery\u003cbr\u003eBattery size: 368mm x 150mm x 95mm\u003cbr\u003eBattery weight: about 7kg.\u003cbr\u003eCharging method: CC \/ CV.\u003cbr\u003eStandard charging current: 5A.\u003cbr\u003eMaximum continuous charging current: 10A.\u003cbr\u003eBMS: Maximum 100A,\u003cbr\u003eMaximum peak current 100A\u003cbr\u003eCharging voltage: 58.8V\u003cbr\u003eDischarge cut-off voltage: 42V\u003cbr\u003eCycle life: 1000+ times\u003cbr\u003eCharging temperature: -15-65℃\u003cbr\u003eDischarge temperature: -15-65℃\u003cbr\u003eProtection function: overcharge, overdischarge, overcurrent, short circuit, balance\u003cbr\u003eApplicable motor: 250w 350w 500w 750w 1000w 1500w 2000w motor\u003cbr\u003e(Note: the battery voltage must match the motor)\u003cbr\u003eThe packing list includes:\u003cbr\u003e1 * 52V lithium ion battery pack (with box)\u003cbr\u003e1 * 30 cm cable assembly\u003cbr\u003e1 * 58.8v 5A charger\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 20px; font-weight: bold; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eE bike 60V 21700 Samsung battery Specifications:\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eRated voltage: 60V\u003cbr\u003eRated capacity: 20ah\/25ah\/30ah\/35ah\/40ah\/50ah\/60ah\u003cbr\u003eType composition: 16S4P\u003cbr\u003eBattery: Built-in 21700 Samsung battery\u003cbr\u003eModel: Electric scooter\/electric bicycle\/lithium ion battery\u003cbr\u003eBattery size: 368mm x 150mm x 95mm\u003cbr\u003eBattery weight: about 7kg.\u003cbr\u003eCharging method: CC \/ CV.\u003cbr\u003eStandard charging current: 5A.\u003cbr\u003eMaximum continuous charging current: 10A.\u003cbr\u003eBMS: Maximum 100A,\u003cbr\u003eMaximum peak current 100A\u003cbr\u003eCharging voltage: 67.2V\u003cbr\u003eDischarge cut-off voltage: 51.2V\u003cbr\u003eCycle life: 1000+ times\u003cbr\u003eCharging temperature: -15-65℃\u003cbr\u003eDischarge temperature: -15-65℃\u003cbr\u003eProtection function: overcharge, overdischarge, overcurrent, short circuit, balance\u003cbr\u003eApplicable motor: 250w 350w 500w 750w 1000w 1500w 2000w 2500w 3000w motor\u003cbr\u003e(Note: the battery voltage must match the motor)\u003cbr\u003eThe packing list includes:\u003cbr\u003e1 * 60V lithium ion battery pack (with box)\u003cbr\u003e1 * 30 cm cable assembly\u003cbr\u003e1 * 67.2v 5A charger\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 20px; font-weight: bold; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eE bike 72V 21700 Samsung battery Specifications:\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eBattery Voltage: 72V\u003cbr\u003eRated capacity: 25ah\/30ah\/35ah\/40ah\/50ah\/60ah\u003cbr\u003eCategory:Li-ion Battery\u003cbr\u003eBattery core: built-in 21700 Samsung battery\u003cbr\u003eArray mode: 20s3p\u003cbr\u003eBattery size: 368*150*95mm (the measurement may have an error of 1-2mm)\u003cbr\u003eBattery weight: about 7KG\u003cbr\u003eVoltage : Peak - 84V, working - 72V\u003cbr\u003eMaximum constant discharge current: 90A\u003cbr\u003ePeak current: 100A\u003cbr\u003eCharging voltage: 84V\u003cbr\u003eCharging Current: \u0026lt;10 Amps\u003cbr\u003eDischarge cut-off voltage: 60V\u003cbr\u003ePower: 300W-3000W\u003cbr\u003eApplication: E-bike Battery,electric scooter,electric wheelchair\u003cbr\u003eCharging method: CC\/CV\u003cbr\u003eCycle life: 1000+times\u003cbr\u003eCharging temperature: -15-65℃\u003cbr\u003eDischarge temperature: -15-65℃\u003cbr\u003eProtection function: overcharge, overdischarge, overcurrent, short circuit, balance\u003cbr\u003eApplicable motor: 72V 250W-3000W motor\u003cbr\u003e(Note: the battery voltage must match the motor)\u003cbr\u003eThe packing list includes:\u003cbr\u003e1 * 72V lithium ion battery pack (with box)\u003cbr\u003e1 * 30 cm cable assembly\u003cbr\u003e1 * 84v charger\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 20px; font-weight: bold; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003eOriginal 21700 battery 36V 48V 52V 60V 72V electric bicycle battery suitable for 250W 350W 500W 750W 1000W 1500W 2000W 3000W motor kit!\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; text-align: left; color: #f90322; display: block; width: 100%;\" align=\"left\"\u003e(Please note: The voltage of the ordered battery must be the same as the voltage of the motor accessories, otherwise it may cause incompatibility between the motor and battery)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S28ae6ef8a3164033ae834967699796bfA.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S559ca245dc754f3bbb4f7e54f3b327edT.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S54ba6e14d7934fc190ee898f3e4167bcr.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6630aada043c4465bfe55316cc428c59w.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S9b4f1387f22448b68885e9cf2d067215s.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S9337ffe7f60b46779f2718ad313141d0h.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1a7b927f48194a368aa33f08d6636b0cY.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sf76a67b2b24e404d96cd62efd4dba97fZ.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S5bfba15260ab48cfaba2b7b626ae93ebO.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S63edb6b3962f4700a3d428ea3e5c68cfg.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6b7473ca4e41460d88c75714c0152fe44.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3fa4e938e48c48309c459a43f7d5f537j.jpg?width=800\u0026amp;height=800\u0026amp;hash=1600\"\u003e \u003cimg class=\"detail-desc-decorate-image\" style=\"margin-bottom: 10px;\" src=\"https:\/\/ae01.alicdn.com\/kf\/See73b3959b08401fbfb1f0752aea44e44.jpg?width=900\u0026amp;height=1200\u0026amp;hash=2100\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 20px; font-weight: bold; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003ePrecautions for battery use:\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-size: 16px; text-align: left; color: #434649; display: block; width: 100%;\" align=\"left\"\u003e1. Before first use, please fully charge the battery.\u003cbr\u003e2. Do not immerse the battery in water or get the battery wet!\u003cbr\u003e3. Do not reverse the positive and negative poles, or short-circuit the battery with wires or other metallic objects!\u003cbr\u003e4. Do not nail, knock, step on the battery or disassemble the battery and battery pack in any way!\u003cbr\u003e5. It is forbidden to put the battery in the microwave oven, pressure vessel or fire source!\u003cbr\u003e6. If the battery emits odor, heat, deformation, discoloration or any abnormal phenomena, please stop using it immediately!\u003cbr\u003e7. 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!\u003cbr\u003e8. 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.\u003cbr\u003e9. 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.\u003cbr\u003e10.If you have any questions about product quality, please contact us by email immediately, we will try our best to solve these problems!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd73e7a48a16d47e495d502555c88bd8aY.jpg?width=932\u0026amp;height=400\u0026amp;hash=1332\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eRobust and Versatile Voltage Options\u003c\/h3\u003e\n\u003cp\u003eThe Polly downtube electric bike battery caters to a wide range of electric bike models with supported voltages of 48V, 52V, 60V, and 72V. This flexibility allows riders to choose the ideal power level for their ebike needs, ensuring compatibility and optimal performance. Designed for high drainage and consistent energy output, these batteries efficiently power ebike motors up to 3000W, delivering strong acceleration and reliable long-distance travel. Whether upgrading an existing ebike or building a custom ride, the versatile voltage ratings make this battery a suitable choice for various applications.\u003c\/p\u003e\n\u003ch3\u003eAdvanced 100A BMS Ensuring Safety and Longevity\u003c\/h3\u003e\n\u003cp\u003eEquipped with a 100A Battery Management System (BMS), the Polly downtube electric bike battery ensures superior safety and battery health. The BMS effectively manages current, voltage, temperature, and prevents overcharging, short circuits, and overheating. This intelligent protection not only extends the lifespan of the lithium-ion cells but also offers peace of mind during long rides. Riders benefit from stable power delivery alongside protection mechanisms that maintain battery integrity in demanding conditions, making it ideal for daily commuting and off-road adventures alike.\u003c\/p\u003e\n\u003ch3\u003eHigh-Capacity 30AH Original 21700 Lithium-Ion Cells\u003c\/h3\u003e\n\u003cp\u003eBuilt with premium original 21700 lithium-ion cells, the 30AH capacity of this downtube electric bike battery guarantees extended ride durations and efficient energy storage. These cells are known for their high energy density, improved thermal management, and reliability compared to older lithium-ion formats. The enhanced capacity supports longer travel distances on a single charge while maintaining consistent voltage output for smoother ride performance. Perfect for ebikes requiring robust power sources, the Polly battery offers riders an excellent combination of endurance and durability for everyday use and performance-oriented cycling.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Ai-TechWorld","offers":[{"title":"21700Samsung 72V50AH","offer_id":46750970609817,"sku":"1005008621330486-21700Samsung 72V50AH","price":1200.95,"currency_code":"USD","in_stock":true},{"title":"21700Samsung 72V40AH","offer_id":46750970642585,"sku":"1005008621330486-21700Samsung 72V40AH","price":1114.07,"currency_code":"USD","in_stock":true},{"title":"21700Samsung 72V35AH","offer_id":46750970675353,"sku":"1005008621330486-21700Samsung 72V35AH","price":1092.11,"currency_code":"USD","in_stock":true},{"title":"21700Samsung 72V30AH","offer_id":46750970708121,"sku":"1005008621330486-21700Samsung 72V30AH","price":1071.11,"currency_code":"USD","in_stock":true},{"title":"21700Samsung 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