00:00Need circuit backup without battery leak danger?
00:03Supercapacitors keep RTC chips, controllers alive during power drop.
00:08Tested market
00:09Found best deals for top 5 farad supercapacitors for circuit backup.
00:15First, H-Type 5.5 V button capacitor.
00:19Costs 45 cents.
00:21Top feature, huge value, wide capacitance choices from 0.1 F to 4.0 F.
00:27Sold 4,927 units, 4.9 rating.
00:33Horizontal mount solders flat on tight boards.
00:36Worth buying for ultra-low budget memory backup.
00:40Second, Jepion 5.5 V series.
00:43Price sits at $3.58.
00:47Main highlight, versatile mounting.
00:49Comes in V-Type, C-Type, H-Type options from 0.1 F through 4.0 F.
00:55Holds 4.7 rating over 4,670 orders.
01:00Worth cash when PCB needs specific vertical or horizontal leg format.
01:05Third, Fiver 5405 V 5.5 V 4 F V-Type capacitor with 6mm lead spacing.
01:12Priced at $2.69.
01:15Key strength, heavy 4 farad reserve and compact vertical shell.
01:20Earn 4.7 stars across 4,486 buyers.
01:25Worth pickup when microcontroller needs sustained power during main rail failure.
01:30Fourth, the Fiver 5473 5.5 V 0.0 47 F47 MF capacitor.
01:37Runs $2.63.
01:41Standout feature, perfect 5.0 score with 4,387 sold.
01:47Small 47 MF tank charges instantly, wastes zero board space.
01:52Ideal pick for low-draw RTC holdover on packed circuit boards.
01:56Fifth, 5.5 V multi-style button series.
02:00Costs $2.81.
02:03Best trait, flexible V, C, and H-pin configuration spanning 0.1 F to 4.0 F.
02:10Scored 4.8 rating over 4,162 sales.
02:15Worth grabbing as all-around backup part for custom hardware builds.
02:19Product links down in description.
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