48V15-21AH(720WH-1200wh) Jumbo shark /new polly battery(Super73 S1 replacement battery)

Availability: In Stock


Brand: GBK

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Quick Overview

This battery can be a replacement battery for SUPER73 S or S1 ebikes.

1. Battery Capacity: 11.6AH, 14AH, 14.5AH, 15AH, 16AH, 17.5AH, 20AH, 21AH, 24.5AH etc; 

2. Cells for building packs: Panasonic NCR18650BD, Samsung INR18650 32E, Samsung INR18650 35E,  Samsung  INR21700 50G, LG INR18650 MJ1.

3. Charging port: 2.1DC or 2.5DC port(for charging Amps larger than 4A, we will use 2.5DC port); If you prefer mini XLR connector for charging, you can choose it.

4. Max charging current: 5A

5. Discharging port:  4pins blades contacts connector. If you need an extra mounting foot for this battery, you can order on our website: New polly mounting foot

6. Continuous discharging(BMS): 15A(for 350W motor), 20A(for 500W motor), 25A(for 750W hub motor), 30A(for 1000W engine), 40A for 1500W motor, 50A for 2000W ebike.

7. If you choose the smart BMS for the battery, you can view battery parameter via mobile app.

Note: There are mainly two typles New polly cases with different discharging connector and mounting foots, please check the picture on our website. If your discharging connectors are with 5pin discharging connector, your New polly Jumbo chark battery should be with this one: 48V New polly battery without controller space



48V li-ion new jumbo shark downtube battery for electric bicycle. 

1. Rated capacity: 11.6AH~ 21AH depends on the cells for building the pack; the more capacity the battery has, the longer distance you can ride with each charge

2. Voltage: 48V

3. Charging Voltage: 54.6V

4. Discharge cutoff voltage: 25.75V

5. Cell:  Sanyo NCR18650GA, Samsung INR-18650-32E, Samsung INR18650-35E, Panasonic NCR18650BD, LG INR18650 MJ1, or Samsung INR21700-50G;

6. Standard charging: 0.2C constant current(CC) charge to 54.6V, then constant voltage (CC) 54.6V  charge till charge current decline to ≤0.05C

7. Continuous discharge current:  20A, 25A,30A, 40A 50A

8. Pulse/Max discharge current: 100A

9. Max charging current : 5A(limited by the default charging port of the battery case); If you want a larger charging current, we can change to 3pin charging port for you;

10. Charging temperature: 0~45℃

11. Discharging temperature: -20~55℃

12. Dimension: 368 X 90 X 96(DP-5C); 368 X 90 x 113mm (DP-6C), or 368 X 90 x 141mm(DP-9C), 368 X 95 X 106mm(DP-2170-4C) or 368 X 95 X 125mm(DP-2170-5C). 

13. The length for these cases are the same and these cases share the same mounting foot which means the batteries are interchangeable;  the width and the height would vary with different models.    The discharging connector for these cases are with 4 blades contacts, please note.

14. Different chargers for option;

15. The charging port for the battery is 2.1DC,2.5DC port or mini XRL 3 pin charging port;

16. The discharging port for the battery is 5pin blade contacts connector;

17. It has an ON/OFF switch and 4 LED battery capacity indicator.


The assembling and testing for the battery would take a few days, therefore the lead time is about one week,  please be noted.

Additional Info

Additional Information

dimension 368X90X96(DP-5C); 368x90x113mm(DP-6C), 368x90x141mm(DP-9C), 368x95x106mm(DP-2170-4C), 368x95x125mm(DP-2170-5C)
net weight 3.5kg~4.5kg
Manufacturer GBK

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