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  • Overall Rating: 4
  • Price: 5
  • Quality: 4
  • Ease Of Use: 4
  • Usefulness: 4
OK quality cells – TrustFire 18650 3.7V 2500mAh Rechargeable Lithium Batteries (2-Pack) Reviews

posted by Patrik28 on 03/26/2010 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week

Pros:
- I bought 3-pack for replacing old cells in Thinkpad 600 battery.
The runtime is now about 3 hours. Enough for me, despite if the battery capacity isn't real.
- Price-ratio is great. New battery for less than 20$ (3-pack).
Cons:
- There is no solder-tab on minus pole. But it is possible solder a tab if you have good lead-tin and flux. Of course, you have to solder quickly and be very carefull.
Other:
Replacing the cells to Thinkpad 600 battery was easy.
Just unwrap the gray "Trustfire" capsule (there is second capsule under) and remove the + pole knob. There was a ready solder-tab under the knob.
Then I grind/cleaned the minus pole slighly, put enough flux and then quickly soldered the batteries in place.
Bottomline:
If you want your old notebook to mobile again, these batteries are good to use when replacing cells.
But check first that:
- Old cells are in 18650 form.
- The battery is not a smart one, which remembers old cells condition.
- You'll handle the risks and soldering.

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