16340 Micro Usb Power Bank Battery Charger Module Dual Output 3.3v 5v Rechargeable Battery Holder Lithium Battery Charging Board - Integrated Circuits - AliExpress
Vape Gear Twist Pro 510 thread 3.3V – 4.8V Adjustable Battery With Preheat Mode & USB Adapter – Gold [1 Unit] | Top Five Wholesale
Lithium Ion Polymer Battery - 3.7v, 900mAh
Mini Boost Buck DC Board 1.8-5V to 3.3V, for Battery Juice R2 – ElectroDragon
LithiumWerks ANR26650M1-B, 3.3 Volt, 2.5 Ah, Lithium Iron Phosphate (LiFePO4) Battery using Li-Ion NanoPhosphate® Technology
esp8266 - 3.7v to 3.3v voltage regulator - Electrical Engineering Stack Exchange
It Just Got Easier to Convert Lithium-Ion Battery Voltage to 3.3V with this Efficient Single Inductor Synchronous Buck-Boost Regulator | Analog Devices
Can I use a 3.7V battery for a 3.3V board? - General Electronics - Arduino Forum
A123-3.3V Lithium Ion 2500mAh Single Cell Battery
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.
Variable Voltage Battery 3.3v - 4.8v w/ Charger — Extracts Academy
Lot of 80 cells) Used A123 ANR26659M1B LiFeP04 3.3v 2500mAh in 10 EMC – Battery Clearing House
Welded CR2025 3V 3.3V Lithium Button Battery with Tabs Vertical Mounting Type CR 2025|Button Cell Batteries| - AliExpress
It Just Got Easier to Convert Lithium-Ion Battery Voltage to 3.3V with this Efficient Single Inductor Synchronous Buck-Boost Regulator | Analog Devices
Security Li-ion Rechargeable Battery 3.3V 60mAh By SHANDONG HETER BATTERY TECHNOLOGY CO,LTD.,