Good battery, good value for the money – TrustFire Protected 18650 3.7V "3000mAh" Rechargeable Li-ion Batteries (Pair) Reviews
posted by bjovanovic on 05/17/2013
Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
Relatively high current capacity
Relatively good price
Measured 2450mAh with a good computer controlled charger (4.2v down to 3.0v). Also tested capacity under different loads - very similar results.
Border-line good for battery powered tools
Only border line good for battery powered tools
Protection circuit died after 5 current limits it did
Protection circuit has to be removed for use in battery powered tools
I bought 6 of those for use in battery powered screwdrivers.
Current limiting kicked in on every second start. After a few attempts, it blew up.
Used those in Bosch/Skill Super Twist screwdrivers (originally NiCd 3.6v), and they work, and work ok as long as the job is not heavy duty. NiCd is much much better in those cases, but the capacity difference and weight are definitely in favour of LiIon.
Would definitely recommend those for low current use as they seem good and consistent. Anything up to 3-5A should be mostly OK.
Battery powered stuff is a different story, and you may get varying results. However this is still better than expected for this class of batteries.
Overall - highly recommended!
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