A BATTERY MOOCH POST: Sanyo NCR2070C 20700…outperforms the NCR20700A, estimated 30A 3500mAh

This NCR2070C cell (not “20700C”) outperforms the Sanyo NCR20700A, making this cell the best performing 20700 available to us as of May, 2018.

The NCR2070C hits harder and runs for longer at both high and low current levels than the NCR20700A. It does run a bit hotter than the NCR20700A though by 3°C to 5°C.

The two cells I tested delivered 3471mAh and 3524mAh at 0.5A down to 2.5V. I suspect that this cell’s “minimum/rated” capacity is 3400mAh and its “typical/nominal” capacity is 3500mAh.

I am estimating this Sanyo’s ratings at 30A and 3500mAh. This might need to be adjusted once I have the datasheet.

I do not yet know who will be carrying it, who might be rewrapping it, or when it will become available. I will post when I do know. 

Two cells were donated for the purposes of testing by Vapcell (www.vapcelltech.com).

Ratings graphic: https://imgur.com/a/R9q5Wxl

Test report: https://www.e-cigarette-forum.com/threads/bench-test-results-sanyo-ncr2070c-20700-outperforms-the-ncr20700a-estimated-30a-3500mah.863425/#post-20820635

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These tests only note the estimated ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, LG, Panasonic, or Sanyo can change at any time! This is one of the hazards of using “rewrapped” batteries or batteries from other manufacturers so carefully research any battery you are considering using before purchasing.

Misusing or mishandling lithium-ion batteries can pose a SERIOUS RISK of personal injury or property damage. They are not meant to be used outside of a protected battery pack. Never exceed the battery’s continuous current rating and keep the plastic wrap and top insulating ring in perfect condition.

Any rating in my ratings tables can change at any time as different grade cells appear on the market, we get swamped with fakes, or new information becomes available to me. Please, never assume that the ratings in the tables are permanent and will never change! Always download the latest version before considering any cell purchase.

To see how other cells have tested check out this link: https://www.e-cigarette-forum.com/forum/blog-entry/list-of-battery-tests.7436/