14S 52V ebike downtube battery with larger capacity(new style Polly DP-6/9 casing)

Availability: In Stock


Brand: GBK

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Quick Overview

14S 52V14.5AH, 52V16.75AH, 52V17.4AH, or 52V17.25AH E-bike downtube battery with new designed case(Polly DP-6, max hold 70pcs 18650 cells, new Jumboshark case, max 91pcs 18650 cells); Larger capacity will be available with this battery case; the larger capacity the battery has, the longer distance you can ride with your ebike each time after fully charging.

If your e- bike is 48V750W or 48V1000W, then this battery will enable your bike runs faster and powerful. If your kit is with BBSHD, we recommend you to use a 52V battery in stead of 48V. This battery has an ON/OFF switch and battery capacity LED. 

Regarding to currently BBSHD 07H error code, If you are going to use this battery for Bafang BBS kits, please inform us, we will set the correct voltage for you before shipment so that your battery can work for the kit.



52V 14S li-ion new downtube battery with larger capacity(new Polly DP-6 casing, max 70pcs 18650 cells, new Jumboshark DP-9 casing, max 91pcs 18650 cells); If your motor is 750W or 1000W, this battery would be the best for you.

1. Rated capacity: 16.75AH by INR18650-35E, 14.5AH by NCR18650PF, 52V17.4AH by NCR18650PF or  17.25AH by NCR18650GA;

2. Voltage: 51.8V(14S)

3. Max Charging Voltage: 58.8V

4. Discharge cutoff voltage: 38.5V

5. Cell:  NCR18650PF(2900mAh), INR18650-35E(3350mAH) or NCR18650GA(3450mAh)

6. Standard charging: 0.2C constant current(CC) charge to 58.8V, then constant voltage (CC) 58.8V  charge till charge current decline to ≤0.05C

7. Continuous discharge current: 25A or 30A

8. Pulse/Max discharge current 60A/105A depends on BMS

9. Max charging current : 5A(limited by the charging port of the battery case)

10. Charging temperature: 0~45℃

11. Dischargeing temperature: -20~55℃

12. Diamesion: 113x90x368mm or 140 x 90 x 368mm;

13. It can hold 70pcs  or 91pcs18650 cells;

14. This case has an ON/OFF switch;

15. The model for this battery case: New jumboshark Polly DP-6. We have several frame batteries, HL-1 case, DA-1 case, SSE-01 Bottle case, DS-6 case and  HL-2 case, please check carefully before ordering.

16. We have different alloy chargers for your option, 120W, 180W or 240W; we only provide alloy charger for our packs because alluminum alloy charger is better in cooling.

If you want your motor runs more powerful and faster, this battery would be better for you, especially your kit is BBS02B 48V750W or 48V1000W BBSHD; the kit would be more powerful with the voltage is slightly higher than 48V.


The assembling and testing for the battery would take a few days, therefore the lead time is about 7-10 days,  please be noted.

Additional Info

Additional Information

dimension 368*113*90mm or 368*140*90mm for battery
net weight 4.5kg
Manufacturer GBK

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