00:00Need dual 18,650 chargers on budget?
00:04Found 5 best charging modules under $7
00:07Perfect for DIY power banks and custom battery packs
00:11First up, TP4056 Type-C board pack at $3.63
00:17Comes with DW01 protection circuit built right in
00:21Rated 4.9 stars with over 4,000 sold
00:25Wire 2 cells in parallel, get reliable 1-amp charging without over-discharge risk
00:30Ultimate cheap workbench staple
00:33Second pick, dual USB 2.4-amp board
00:38Absurdly cheap at $1.65
00:41Gives Type-C and micro-USB inputs plus LED status lights
00:45Pushes decent current for simple backup battery builds
00:50Hard to beat price to performance here
00:52Third, IP53 28P fast charge board at $4.83
00:58Perfect 5-star rating
01:01Supports true QC2 and 3 protocols through dual USB and Type-C ports
01:05Best pick if need actual fast charging output for modern phone
01:10Fourth option, 2-piece pack with integrated LCD display for $6.28
01:16Shows exact battery percentage, voltage, and current output in real-time
01:21Built-in overcharge and short-circuit protection
01:24Great deal getting 2 boards with readouts under $7
01:29Fifth, upgraded LED dual USB board sitting at $3.22
01:344.9-star rating across thousands sold
01:37Delivers stable 2.4-amp output with reinforced circuit protection traces
01:42Good sweet spot between dirt-cheap build and premium reliability
01:47All product links down in description below
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