Bottom Line: This cell has an absurdly exaggerated current rating and an exaggerated capacity rating. Its appearance is identical (except as noted below) to the LG HG2 but this Enook has a higher internal resistance and performs worse.
Like the 3000mAh Enook this cell seems to be a rewrapped lower grade HG2 except that the center of the bottom of this cell is polished. I cannot explain why. I’ve never seen that before on any other cell.
As shown in the discharge graph below it performs almost identically to the 3000mAh Enook but worse than the HG2. I am rating this Enook at 20A and 3000mAh but it sags more than the HG2, delivering about 10% less capacity. The 18650 ratings table has been updated to include this cell.
IMPORTANT:
– There is no under-3000mAh 18650 that can have a rating over 30A…none.
– There is no 3000mAh 18650 that can have a rating over 20A….none.
– There is no 3100mAh-3500mAh 18650 that can have a rating over 10A…none.
– There is no 18650 with a capacity rating over 3500mAh…none.
Test results, discharge graph, photos: https://www.e-cigarette-forum.com/forum/threads/enook-40a-3100mah-18650-bench-test-results-just-20a-and-same-as-enook-3000mah-battery.785919/
All my test results to date: https://www.e-cigarette-forum.com/forum/blog-entry/list-of-battery-tests.7436/
18650 current ratings and safety grades: https://www.e-cigarette-forum.com/forum/blog-entry/18650-safety-grades-picking-a-safe-battery-to-vape-with.7447
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