Eunorau 48V/15Ah | 48V/17Ah Replace and Upgrade Battery for FAT-HS & Defender-S

FREE Shipping to US Lower 48
DAILY Inventory Updates
NEED HELP? Call 888-883-3350


These 48V/15Ah and 48V/17Ah batteries from Eunorau contain original Samsung 35E cells. 

They fit the Eunorau FAT-HS and Defender-S. 

Battery Specifications 

  • Model No: SSE-103
  • Max Cell Space: 18650 65pcs
  • Material: Aluminum 6061/PC+ABS
  • Cell Brand: Samsung
  • Cell Code: 18650
  • Chemistry: Li-ion
  • Voltage: 48V
  • Rate: 672WH/816WH
  • Capacity: 15Ah/17Ah
  • Storage Temp: -20-40℃
  • Configuration: 13S5P
  • Charge Voltage Limit: 54.6V
  • Charging port: Dual-DC2.1 port
  • Continuous Discharge Current: 20A
  • 10 min Discharge Current: 35A
  • 5sec Discharge Current: 45A
  • Operate Temp. Charge: 0-45℃
  • Operate Temp. Discharge: -20-60℃
  • Cycle Life: 500 Times
  • Shipping: Free shipping to the lower 48. We are unable to ship this brand to Alaska or Canada at this time. For shipments to Hawaii,please send us your shipping address and the products you want, and we will find the best rate available.

To learn more about ebike batteries, check out our Ebike Battery FAQ.

Orders for in-stock items take 24-48 hours to process, then about 5-7 days in transit. Delays due to Covid have occurred. If an item is on backorder, the estimated ship date will be shown below the Pre-Order Button.

All products are shipped free within the Contiguous US via UPS, FedEx or similar carrier. Shipping to AK, HI and PR may incur additional charges.

If your package appears damaged from shipping, please do not accept it. Tell the driver to keep the package and contact us immediately at 888-883-3350. We offerGuide Package Protectionto ensure against lost, stolen or damaged goods. Click here to learn more about Guide.

Returns for buyer’s remorse are typically not accepted by our suppliers, and if accepted, the customer may incur shipping and restocking fees.

Please click here to read our entire Shipping & Returns Policy.


Ask a Question
  • Can I use same charger from 15h battery to charge my upgraded 17h battery?

    Yes, once both batteries have the same voltage the charger should be compatible with either battery. The 17ah battery will get fully charged, but it will take a bit longer.