Complete ebike Kits
Bafang BBS02/BBSHD Mid-Drive motor kit Installation
Bafang Front Hub Motor Kit Installation Video
Bafang Gear Sensor Installation
Front Hub Installation
Bafang Display Manuals
Will it fit my bike?
Find out which Bafang motor will fit your bike!
Technical Support / Troubleshooting
Do you have an ebike and need help troubleshooting?
24/7 Ebike Help Center
Answers to all of your Ebike related questions!
Let our Ebike Chat bot help you!
Taxes and shipping calculated at checkout
The 52V 12.8Ah Jumbo Shark Ebike Battery is designed to work with our Bafang Electric Bike Conversion Kits.
The battery securely attaches and locks to the included ebike mount with the provided keys.
The battery includes a power switch to easily turn the battery on and off.
The battery comes with a Standard 5.5 x 2.1mm DC charger port for easy charging with our plug and play compatible chargers.
The battery has a charge indicator LED which displays the battery capacity based on voltage at 4 levels.
The battery includes a mount to secure the battery to your bike, making it convenient and easy to take your battery on and off your bike. The mount includes plug and play 45Amp Anderson connections for our Bafang motor kits.
The battery has a built in 5 Volt USB Port for charging electronic devices.
Note: Battery purchases are final, batteries cannot be returned. View our full Return Policy here.
Orders typically ship out in 1-3 business days (Monday-Friday) after being placed. Delivery times will vary based upon where you live. Check out our handy map for delivery time estimates after being shipped (shown in business days):
All orders of motors and/or batteries ship via FedEx Ground. All orders ship from California, USA with tracking, and signature confirmation. You will receive an automated email with order updates and shipment tracking information after your order is placed.
665 Watt Hours
13 - 89+ miles per charge (Based on riding conditions)
14.2 x 3.2 x 5.2 inches
Over Charge/Discharge, Short Circuit, Cell Balancing
Jumbo Shark Mount
36.4 - 58.8 Volts
1000+ charge cycles
Use our Actual Size Battery Cutout to determine if our ebike battery will fit on your bike frame.
52V 12.8Ah Dolphin Ebike Battery Cutout
Thank you for submitting a review!
Your input is very much appreciated. Share it with your friends so they can enjoy it too!
Trek Marlin, BBS02, and this battery. I ride 15 miles to work at Level 9 PAS and it only drops to 2 bars. Great battery
Great product, good value.