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- Users: David Cameron
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Running tests on the WF-139. Interesting results. A must read for WF-139 users.
I just received my WF-139. With no battery in a slot the reading is 4.25 V on each slot. When an almost fully charged battery(3.99 V) type 18650 is put in the slot the reading is 4.01 V. This charger for all intensive purposes charges to 4.2 V. People who have posted seem overly concerned about...- David Cameron
- Post #283
- Forum: Flashlight Electronics - Batteries Included
