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Quick Details

  • Brand Name: Sairi
  • Model Number: SR-3613
  • Rechargeable: Yes
  • Use: E-bikes
  • Type: Standard Battery
  • Place of Origin: Guangdong, China (Mainland)
  • Certificate: CE RoHS U|N38.3
  • Capacity: 13000mAh
  • Voltage: 36V
  • Warranty: 12 Months
  • Color: Black, white
  • Composed: 10S6P
  • Product name: 36V 13Ah li-ion rechargeable battery pack
  • Capaticable: 24V/36V/48V
  • Motor power: 350-600W
  • Matched charger: Yes

Packaging & Delivery

Packaging Details One pack with poly bags in a carton.
New 36v 13ah dolphin bottle rechargeable battery electric-bike pack
Delivery Time Shipped in 7 days after payment


New 36v 13ah dolphin bottle rechargeable battery electric-bike pack 




Product Description





No.Product TypeSR-3613
1Nominal Voltage36V
2Nominal Capacity13Ah
4Absolute Charging voltage42.0±0.2V
5Standard Charging Current5A
6Max. Continuous Dicharging Current15A
7Discharge Over Current Protection30±5A
8Dischage Over Temprature Protection (OTP)75±5℃
10Dimension 107.31mm*75.38mm*285mm
11Short Circuits Protection (SCP)Yes
12Cycle Life≥800 cycles
13Operation Temperature-10—50℃
14Operation Humudity0-90%RH
15Motor Power≤600W




Products omages 






Packaging & Shipping




Our Services


 1. Your inquiry related to our products rice will be replied in 24 hours.   

 2. Experienced staffs to answer all your enquires in fluent English.  

 3.We make the OEM and ODM service for more than 5 years, and  accepted Paypal.

 4.Protection of your sales area, ideas of design and all your private information.

 5.No matter big order or small order , we will provide all the best  quality , best service.

 6.If our our products ave any problem that we caused, they will be sent free in the next order.


After sales services 

1.1 year warranty .

2. We will replace the broken parts with new parts in the next in the next order. 

3. Choose the cheapest and safest shipping company .

4. Track the order until you get the goods. 

5. Welcome any feedback and advice for our products.


Extra services

1. MOQ: Sample order is available.

2. OEM: The larger the quantity the cheapper the price.

3. ODM: 10000pcs, keep your design privately. And won’t supply it to others.

4. Provide designed package depends on your needs.





Company Information









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