How to charge 3.7v li-ion battery, charge 3.7v battery with 5v charger - YouTube
USB Lipo (Li-Ion) Battery Charger - 3.7V
Amazon.com: HXJNLDC DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Electronics
Need help with the following TP4056 board. When charging both Blue and Red LEDS light up. Voltmeter reading at OUT+|OUT- is 4.1v, however battery charge doesn't go above 3.7v even after 4-5
power supply - Step up converter (3.7V to 5V) that will also charge battery! - Electrical Engineering Stack Exchange
Benzo Energy / How much voltage should be used to charge a 3.7V lithium battery? - Benzo Energy / China best polymer Lithium-ion battery manufacturer,lithium ion battery,lipo battery pack,LiFePO4 battery pack, 18650
24W USB Fast Charge QC 3.0 Boost Module 3.7V Battery Input 5V 9V 12V Output DIY Power Bank - $4.49 - JacobsParts Inc
Amazon.com: Fisca Spare Rechargeable 3.7V 800mAh Lithium Ion Battery with USB Charger, SM 2P Connector for RC Stunt Car : Toys & Games
PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost @ 500mA+ : ID 1944 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits