Powerbank based on FP6277 boost converter with 5V and 3.3V output up to 3A. Choose a good 18650 Li-Ion battery with a low int… | Powerbank, Voltage regulator, Power
Any clever way to provide 3.3V with good current output from a 9V battery? - Electrical Engineering Stack Exchange
Brand new Large capacity 100Ah 3.2v lifepo4 cell 3.3v battery High rate 300A fordiy pack Electric tricycle vehicle energy system|Replacement Batteries| - AliExpress
Duracell 41333212104 Lithium Battery, 3.2 to 3.3 V Battery, 1400 Mah, 3 V Battery, Manganese Dioxide (041333212104-1)
3pcs Mini DC 3.5-6V to 3.3V DC-DC Converter Step Down Buck Regulator LDO Module Voltage regulator Board for 18650 li-ion AAA Dry Cell Batteries ESP8266 | Alexnld.com
LithiumWerks APR18650M1-B, 3.3 Volt, 1.1 Ah, Lithium Iron Phosphate (LiFePO4) Battery using Li-Ion Nanophosphate® Technology