Tritek is working on the high energy density pack for a hybrid electric bike. 21700 cell is a good choice, because of the high energy density and charge capability. Here are the tests for the cells and packs.
![performance test 36v 14.7ah pack rate discharge curve](https://tritekbattery.com/wp-content/uploads/2021/03/Performance-test-36V-14.7Ah-pack.jpg)
![performance test 36v 5ah pack high and low temperature discharge curve](https://tritekbattery.com/wp-content/uploads/2021/03/Performance-test-36V-5Ah-pack.jpg)
Discover more about 21700 vs 18650 for LEV
![performance test 21700 cell](https://tritekbattery.com/wp-content/uploads/2021/03/Performance-test-21700-cell.jpg)
![performance test 21700 cell](https://tritekbattery.com/wp-content/uploads/2021/03/Performance-test-21700-cell-1.jpg)
Read more about 18650 battery for an e-bike
![reliability test for 21700 cell](https://tritekbattery.com/wp-content/uploads/2021/03/Reliability-Test.jpg)