Not 18650 but related. Recently I've been salvaging li ions from disposable vapes. Usually they are between 2.6 and 3.3v depending on how long it's been sitting. This one was at 1v.
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Replacement units for Interphone Cellularline
3.7v 700mah 702050 Lithium Polymer Lipo Rechargeable Battery + Jst Ph 2.0 2pin Plug For Mp3 Headphone Pad Dvd E-book Bluetooth - Rechargeable Batteries - AliExpress
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