52v17.5Ah Electric Bike Battery Polly Electric Bicycle Bike 52V 2000W Ebike downtube Batteries
Product Description
The Battery Pack consists of 70 x 18650 cells connected 14 series 5 parallel. In this case, the normal voltage is 52V and the normal capacity is 17.5Ah.
| Cells | Li-ion 18650-3500mAH |
| Configuration | 14S5P |
| Nominal Voltage | 52V |
| Nominal Capacity | 17.5Ah |
| Maximum Charge Voltage | 58.8V |
| Discharge Cut-off Voltage | 39V |
| Standard charge current | 0.2C |
| Max Charge current | 0.5C |
| Charge Method | CC/CV |
| Charge Temperature | 0°C--45°C |
| Discharge Temperature | -10°C--60°C |
| Max Continuous Working Current | 2C |
| Continuous Discharge Current | 10-21A |
| Weight (Approx.) | 5Kg |
| Pack dimensions (mm) | 342*132*78(mm) |
| Protection System | Built-in BMS |
| Recommended Motor Application | 52V 2000W |
| Cycle Life | 600+ charges |
| USB outlet | 1 port |
| Warranty | 18 months |
| Test Name | Detail | Machine |
| Temperature & Humidity Test of single cell | Imitate the storage of battery (Under temperature (-20℃-150℃) and humidity (20%-98% R.H.) to test the performance |  |
| Formation Test of single cell | Capacity sort, charge, discharge and cycle life tests on single cell to ensure whole performances of single especially combined battery. |  |
| battery pack test | Capacity sort, charge, discharge and cycle life tests on battery pack to know the performance. |  |
| Transit Test | Imitate the real shipment condition to test the whole battery pack’s mechanical performance,as well as any accessories on the battery pack |  |
package lists:
| NO | Part name | Quantity |
| 1 | Battery Pack | 1 SET |
| 2 | Charger | 1 PC |
| 3 | Discharge wire | 1 PC |
| 4 | Key | 1 PC |
| 5 | Use manual | 1 PC |
shipping way:
1. Ship by EXPRESS door to door
2. Ship to your airport
3. Ship to your sea port
Take the most cost-effective way based on your quantity or do as you request.To think what customer needs.
Changzhou Niubo Power ( NB Power)
consisted of experts and enthusiasts with more than 7 years experience from Electric Bike field,with our critical engineer who worked in a famous ebike firm from Japan more than 6 years,talent industrial designers,and battery experts,experienced assembly workforce,we have dedicated to offering the high quality products and friendly, excellent service to all of our customers. The goal of NBPower is to be your senior consultant in Electric Bicycle. We hope to be able to keep surprising you with new, innovative and high quality electric bikes and kits in the future. Let’s begin to share our passion for two wheels,get closer to nature, far away from traffic jam, smelly public transport, you can see so much more by electric bike.
1. 24 hours online service and 24 hours on call.
2. LCL available, MOQ is 1 PC.
3. Delivery fast and on time based on different quantity.
4. Supply some parts for free.
5. Good preferential Policy.
6. 1-2 YEAR WARRANTY
Q1. Can I have a sample order for Electric Bike Battery?
A: Sample needs 15 days, mass production time needs 20-30 days for order quantity.
Q2. What about the lead time?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q3. Do you have any MOQ limit for sample order?
A: Low MOQ, 1pc for sample checking is available
Q4. How do you ship the goods and how long does it take to arrive?
A: EXPRESS,Airline and sea shipping also optional. It usually takes 3-7 days/ 20-35 days to arrive.
Q5. How to take care of this battery?
A:
Do not connect the positive and negative terminal directly.
Do not expose the battery under high temperature condition.
Do not disassemble the battery pack without technician’s guide.
Keep the battery away from water,salt,acidic.etc.
Keep the battery clean and dry.
Use the compatible charger to charge it.
Charge the battery one time at least per two months.
Q6: Do you offer guarantee for the products?
A: Yes, we offer 1-2 year warranty to our products.
UPDATED CERTIFICATION:
Product Categories : Electric Bike Battery > Electric Bike Battery
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