battery

• Quick Charge

• Types

  • Solar

  • Pb

  • Ni

  • Li

• DC UPS

Quick Charge

• USB Promoters Group : https://en.wikipedia.org/wiki/USB_hardware#USB_Power_Delivery

• Qualcomm ： https://en.wikipedia.org/wiki/Quick_Charge

tech	year	max power
QC3	2016	36 W (12 V × 3 A)
QC4	2017	100 W (20 V × 5 A)
QC3+	2020	20mV steps from QC4
PD2.0 / USB 3.1	2014	100W ( 20V x 5A )
PD3.0	2015/2017	100W
PD3.1	2021 https://www.usb.org/usb-charger-pd	240W ( 48V x 5A )

Types

https://zh.wikipedia.org/wiki/%E8%93%84%E9%9B%BB%E6%B1%A0#%E8%93%84%E9%9B%BB%E6%B1%A0%E7%A8%AE%E9%A1%9E%E5%88%97%E8%A1%A8

Solar

open-circuit 0.5 to 0.6 volts: https://en.wikipedia.org/wiki/Solar_cell

Pb

https://en.wikipedia.org/wiki/Lead%E2%80%93acid_battery

• 1.8V loaded at full discharge, to

• 2.1V in an open circuit at full charge

https://www.blazartheory.com/files/notes/phy2049/Lead_Acid_Batteries.pdf

• lead (Pb 铅) terminal

• lead(IV) oxide (PbO2) terminal

• sulfuric(硫酸) acid(酸) (H2 SO4) bath

Ni

https://en.wikipedia.org/wiki/Nickel%E2%80%93metal_hydride_battery

• starting voltage 1.4V

• NiMH(镍氢) batteries have replaced NiCd(镍镉)

Li

https://en.wikipedia.org/wiki/Comparison_of_commercial_battery_types

Name	Discharge	V
ICR LiCoO2 钴酸锂	1-2C	2.5 / 3.7 / 4.2
INR 三元锂	5-7C	2.5 / 3.6 / 4.2
IMR LiMn2O4 锰酸锂	10-15C	2.5 / 3.9 / 4.2
IFR LiFePO4 磷酸铁锂	25-35C	2 / 3.2 / 3.65

DC UPS

Type	Vendor	Power	Link
Pb/Li	MeanWell	120W~600W	https://www.meanwell.com/newsInfo.aspx?c=1&i=1106
Li/Pb	sw open	60W+	https://github.com/mini-box/ups
Li 2S LED	hw open	60W	https://github.com/TobleMiner/DC-UPS