Gens Ace is one of the top rank battery corporations with deep research and manufacturing on NIMH, LI-PO, LI-FE by the effort of 200 professional engineers and technicians with 20 years exquisite battery technology. The Gens Ace brand holds the traditional concept of "excellent quality", "Optimization"& "Priority" on Sales & Services. In order to provide RC car hobbyists with a more pulsating and experiential power, we have come up with the Bashing Pro series.

This model has now been updated to a more robust version with a hard shell square tube case and eight gauge wire. Please make a note in your order: Send the upgraded version.

https://youtu.be/0MaftuylZgM

Thanks the video from @Razor RCBashing Pro Batteries Features:Large-capacity battery specially designed for ARRMA vehicles to maximize battery life.
Better grip in the battery tray.
PC material and silicon rubber case provides dual protection.Specifications:- Minimum Capacity: 11000mAh
- Configuration: 4S2P / 14.8V / 8 cells
- Discharge Rate: 100C
- Max Burst discharge Rate: 200C
- Net Weight(±20g): 963
- Dimensions: 178x51x51mm(LxWxH)
- Balancer Connector Type:JST-XHRApplication:Suit for 1:5 Kraton 8SOur Advantage:1. Your orders will be dispatched via FedEx and UPS from the USA directly. 
2. Fast shipping and excellent local after-sale service guaranteed in the USA. 
3. Service-priority in online shop, like the long warranty period and the lower price for buyers. 
4. Energy Density: Specially adapted to each UAV type and RC car/boat/helicopter type. Very High according to capacity/weight. In fact, we are specialists in High Power Lipo Batteries. It is our unique technology, the highest power of our battery is 100C. Another technology is our batteries are able to be stably discharged simultaneously.
5. Low IR: Provides stable voltage until the end of your mission. 
6. Safety: Gens ace and its' partners fulfill the ISO9001, ISO14001, standards.
7. See the battery instruction to the link: LiPo Battery GuideWARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.