battery
Quick Charge
USB Promoters Group : https://en.wikipedia.org/wiki/USB_hardware#USB_Power_Delivery
Qualcomm ： https://en.wikipedia.org/wiki/Quick_Charge
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
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
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
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