Polly 48V 60V 72V 30AH Downtube electric bike battery 52V Electric Battery 100A BMS Cham Rider Original 21700 Lithium Lon Battery 3000W
Polly 48V 60V 72V 30AH Downtube electric bike battery 52V Electric Battery 100A BMS Cham Rider Original 21700 Lithium Lon Battery 3000W
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Description
Description
Premium Downtube Electric Bike Battery for Enhanced Performance
SPECIFICATIONS
Brand Name: SAIKEUNG
Built-in BMS: 50A-100A protection board
Capacity: 31 - 40Ah
Certification: CE,FCC,RoHS
Charge Cut-off Voltage: 42V/54.6V/58.8V/67.2V/84V
Charger: Free 5A charger as a gift
Cycle Life: 800-1000 cycle times
Dimension: 368mm*150mm*95mm
Discharge Cut-off Voltage: 28V /36.4/39.2Ah/48V/60V
Feature: Downtube Frame ebike battery with USB(Can charge mobile phones)
Fit Motor Power: 36V/48V/52V/60V/72V 250W 350W 500W 750W 1000W 1500W 2000W 3000Wmotor
High-concerned chemical: None
Item: Polly DP7 lithium Battery For Hailong Batteries
Nominal Capacity: 25ah 30ah 35ah 40ah 45ah 50ah 60ah optional
Origin: Mainland China
Type: Lithium battery
Voltage: 36V/48V/52V/60V/72V
Warranty: 800 cycles warranty

1. 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)
2. 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!

Notice for shipping time:
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. 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)
E bike 36V 21700 Samsung battery Specifications:
Rated voltage: 36V
Rated capacity: 25ah/30ah/35ah/40ah/50ah/60ah
Type composition: 10S5P
Battery: Built-in 21700 Samsung battery
Model: Electric scooter/electric bicycle/lithium ion battery
Battery size: 368mm x 150mm x 95mm
Battery weight: about 6kg.
Charging method: CC / CV.
Standard charging current: 5A.
Maximum continuous charging current: 10A.
BMS: Maximum 100A,
Maximum peak current 100A
Charging voltage: 42V
Discharge cut-off voltage: 29.6V
Cycle life: 1000+ times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 250w 350w 500w 750w 1000w 1500w motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 36V lithium ion battery pack (with box)
1 * 30 cm cable assembly
1 * 42v 5A charger
E bike 48V 21700 Samsung battery Specifications:
Rated voltage: 48V
Rated capacity: 25ah/30ah/35ah/40ah/50ah/60ah
Type composition: 13S5P
Battery: Built-in 21700 Samsung battery
Model: Electric scooter/electric bicycle/lithium ion battery
Battery size: 368mm x 150mm x 95mm
Battery weight: about 7kg.
Charging method: CC / CV.
Standard charging current: 5A.
Maximum continuous charging current: 10A.
BMS: Maximum 100A,
Maximum peak current 100A
Charging voltage: 54.6V
Discharge cut-off voltage: 39.2V
Cycle life: 1000+ times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 250w 350w 500w 750w 1000w 1500w 2000w motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 48V lithium ion battery pack (with box)
1 * 30 cm cable assembly
1 * 54.6v 5A charger
E bike 52V 21700 Samsung battery Specifications:
Rated voltage: 52V
Rated capacity: 25ah/30ah/35ah/40ah/50ah/60ah
Type composition: 14S5P
Battery: Built-in 21700 Samsung battery
Model: Electric scooter/electric bicycle/lithium ion battery
Battery size: 368mm x 150mm x 95mm
Battery weight: about 7kg.
Charging method: CC / CV.
Standard charging current: 5A.
Maximum continuous charging current: 10A.
BMS: Maximum 100A,
Maximum peak current 100A
Charging voltage: 58.8V
Discharge cut-off voltage: 42V
Cycle life: 1000+ times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 250w 350w 500w 750w 1000w 1500w 2000w motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 52V lithium ion battery pack (with box)
1 * 30 cm cable assembly
1 * 58.8v 5A charger
E bike 60V 21700 Samsung battery Specifications:
Rated voltage: 60V
Rated capacity: 20ah/25ah/30ah/35ah/40ah/50ah/60ah
Type composition: 16S4P
Battery: Built-in 21700 Samsung battery
Model: Electric scooter/electric bicycle/lithium ion battery
Battery size: 368mm x 150mm x 95mm
Battery weight: about 7kg.
Charging method: CC / CV.
Standard charging current: 5A.
Maximum continuous charging current: 10A.
BMS: Maximum 100A,
Maximum peak current 100A
Charging voltage: 67.2V
Discharge cut-off voltage: 51.2V
Cycle life: 1000+ times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 250w 350w 500w 750w 1000w 1500w 2000w 2500w 3000w motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 60V lithium ion battery pack (with box)
1 * 30 cm cable assembly
1 * 67.2v 5A charger
E bike 72V 21700 Samsung battery Specifications:
Battery Voltage: 72V
Rated capacity: 25ah/30ah/35ah/40ah/50ah/60ah
Category:Li-ion Battery
Battery core: built-in 21700 Samsung battery
Array mode: 20s3p
Battery size: 368*150*95mm (the measurement may have an error of 1-2mm)
Battery weight: about 7KG
Voltage : Peak - 84V, working - 72V
Maximum constant discharge current: 90A
Peak current: 100A
Charging voltage: 84V
Charging Current: <10 Amps
Discharge cut-off voltage: 60V
Power: 300W-3000W
Application: E-bike Battery,electric scooter,electric wheelchair
Charging method: CC/CV
Cycle life: 1000+times
Charging temperature: -15-65℃
Discharge temperature: -15-65℃
Protection function: overcharge, overdischarge, overcurrent, short circuit, balance
Applicable motor: 72V 250W-3000W motor
(Note: the battery voltage must match the motor)
The packing list includes:
1 * 72V lithium ion battery pack (with box)
1 * 30 cm cable assembly
1 * 84v charger
Original 21700 battery 36V 48V 52V 60V 72V electric bicycle battery suitable for 250W 350W 500W 750W 1000W 1500W 2000W 3000W motor kit!
(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)
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!

Robust and Versatile Voltage Options
The 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.
Advanced 100A BMS Ensuring Safety and Longevity
Equipped 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.
High-Capacity 30AH Original 21700 Lithium-Ion Cells
Built 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.
Care Instructions
Care Instructions
Shipping Policy
Shipping Policy
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