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Reviews (2)

Apr 06, 2020
Professionals tool at "home builder's" price!
This product fits like a glove on FSA (BSA) bottom bracket sets (unlike Shimano, FSA use the same size for both sides). If you have Shimano, you'll need to put in shimano's adaptor for the off side). This fits so well, there is little worry of slip off. It really made installation a breeze for me.
HIGHLY recommended!

Aug 15, 2019
Decent, not great. Other options out there for the same/less $.
1 of 1 found this helpful These batteries are great, but not the best deal around (look into Nitecore USB rechargeable 18650 for that). They are 26000 mah/3.7v which isn't bad (there are 34000mah/5v options out there for not much more), but not stellar either. I'm a little disappointed that these are Chinese made (Japan makes better batteries). but the price reflects that.
Think of the built in USB port as an emergency/convenience option, as that port takes well over 4.5 hrs to charge these batteries (and that's from "new", which most batteries ship with about 50% charge as is), so if this was fully drained I can't even imagine how long the charge would be. I HIGHLY suggest using a standard plug in battery charger for these.
Overall... great battery, decent price (again, not the best deal out there, as mentioned). Streamlight is a great brand who stands behind their products, so if there's an issue, I'm sure they'd set it right for you. I have no complaints about these batteries as they do what they advertise.
The battery is (and does) what it says.