DC 6-40V To 1.2-36V 300W 20A Adjustable Step Down Module Board ($9.99)

Online best: $9.99 at Banggood.. Material: Metal, CC: Output current adjustment, Output Ripple: ≤50mV, -IN: Input negative, VO+: Output positive, Working Tempreture: -10°C-75°C, CV: Output voltage adjustment, VO-: Output negative, Output Current: 20A(max.) / 15A (suggested), Color: Silver, EN: Enable / low voltage level shut off output; suspension / high voltage level is effective, Input Voltage: DC 6-40V (10V to 40V is suggested), When input and output is common grounded / no-load CV output constant voltage / CC output constant current, Output Voltage: DC 1.2-36V, Efficiency: 97% (24V to 12V / 20A), Size: Approx. 60x 52x 27mm / 2.36x 2.05x 1.06”, +IN: Input positive, Wiring Method: Terminal, Short Circuit Protection: Self-recovery (cannot short circuit for a long time).
Updated: 16-09-2025

Banggood

Warehouse in China.
Direct URL: DC 6-40V To 1.2-36V 300W 20A Adjustable Step Down Module Board
Price: $9.99

Additional Banggood coupons:
1. First page
2. Second page

Aliexpress

There’re some similar (or not) items on Aliexpress

Image	Product (link)	Price	Coupons
	22AWG DC Connector 5.5×2.1mm Male/Female Power Cable Jack 15cm 5-12V Power Adapter Extension Wire For LED Strip Light CCTV	$0.77	–
	50/1pcs Double-Wire Plug-in Connector with Locking Buckle Pluggable LED Wire Connector 2 Pin 2 Way Universal Compact Wire	$0.90	–
	USB A Male to DC 2.0 0.6 2.5 3.5 1.35 4.0 1.7 5.5 2.1 5.5 2.5mm Power supply Plug Jack type A extension cable connector cords	$1.00	–
	1Pcs C8 male power socket C7 female plug power outlet embedded electric connector connector 35mm*15mm AC 2.5A 5A 250v	$1.02	–
	5PCS DC12V 5.5 x 2.1mm Plastic Male Plugs 5.5*2.5mm DC Power Socket Female Jack Screw Nut Panel Mount Connector	$1.09	–
	Splitter DC Power Cable 1 To 2/3/4/5/6/8 Way 5V 12V Male Female 5.5×2.1mm DC Plug Extension Wire For LED Strip Light Camera CCTV	$1.22	–
	5.5* 2.1mm 1 to 2/3/4/5/6/8 Way DC Power Splitter Cable 5V 12V Power Adapter Connector Cord For LED Strip Lights CCTV Camera	$1.27	–
	9V Battery Case Holder Connection Wire Cable With Wire Lead ON/OFF Switch PP3 Box For DIY Power Supply Adapter Dock Holder	$1.31	–
	10pcs/LOT Waterproof cap DC099 5.5 mm x 2.1mm DC Power Jack Socket Female 11MM 5.5*2.1 5.5*2.5MM Dustproof Cover N6	$1.35	–
	1pcs car plug adapter LED fuse 12V 12 volt DC Car	$1.36	–
	DC12V Splitter Power Cable 1 Female To 2 3 4 8 Male Y Shape Connector Wire 2.1mm*5.5mm Splitters For LED Strip Light CCTV Camera	$1.40	–
	DC 5.5 x 2.1mm Cable Male to Female Adapter, 5.5*2.1mm Right Angle 90 Degree Charging Cable	$1.42	–
	T-Type Stripping Free Wiring Connector With Fixing Hole Quick Branch Splice Junction box lever Wire connector 32A	$1.43	–
	5.5mm*2.1mm Male To Male DC Power Plug Jack and Female To Female Socket Connector For CCTV Camcer Panel Mounting Adaptor	$1.45	–
	High Current 20AWG 5.5*2.1mm/5.5*2.5mm DC022D DC Power Cable Female Socket DIY Waterproof Jack Plug Panel Mount Connector	$1.51	–
	10 Pairs 15CM JST SM 2 Pins Plug Male and Female Wire Connector Wire Connector Cable Pigtail Plug For LED Strip Light Tape Lamp	$1.52	–
	10/20/30/50PCS Heat Shrink Insulated Butt Connectors Splice Electrical Crimp Terminals Waterproof AWG 22-18 AWG 16-14 AWG 12-10	$1.52	–
	5pcs 10pcs 5.5×2.1 mm Male Female Plug 12V DC Power Pigtail Cable Jack for CCTV Camera Connector Tail Extension 24V DC Wire	$1.56	–
	8pcs Universal DC Power Adapter Connector Kit Female Plug 8-in-1 Multi-Function Power Adapter Set for CCTV,Router,Electronics	$1.59	–
	DC Power Pigtails Cable 22AWG Female Male 5.5mm x 2.1mm Connector For 12V Power Supply Adapte CCTV Camera DVR LED Strip	$1.62	–
	2 pcs 2 pin Black DIN Male Plug Speaker and HiFi Connector Screw Terminals Connector Power Audio Lamp Signal Plug Adapters	$1.62	–
	Quick Splitter 3/6 Ports Push-in Fast Quick Wire Connector Distribution Wiring Cable Splitter for LED Lighting Terminal Block	$1.67	–
	Male to Male DC Extension Cable 2.1×5.5mm 12V Power Extension Cord 1M 2M 3M 5M 10MFor CCTV Camera DVR Standalone LED Strip Pump	$1.69	–
	5/10pcs 5.5×2.1 Plug DC male or Female Cable Wire Connector For 3528 5050 LED Strip Light	$1.69	–
	5A IP68 Waterproof 5.5 X 2.1MM 5521/5525 DC Power Socket Female Jack Panel Mount Solder Connector Adapter With Nut Snap	$1.72	–
	20/30/50pcs Double-Wire Plug-in Connector with Locking Buckle Pluggable LED Wire Connector 2 Pin 2 Way Universal Compact Wire	$1.75	–
	12V 3A DC male to male Power supply diy cord cable 5.5 x 2.1mm Male CCTV Adapter Connector Power Extension Cords 0.5M/1M/2M	$1.77	–
	10Pcs 32A High Current Screw Type 4mm Banana Plugs Male Stackable Connector Speaker Cable Adapter 4mm High Current Banana Plugs	$1.78	–
	10PCS (5Pairs) DC12V 5.5 x 2.1mm Plastic Male Plugs DC022 DC Power Socket Female Jack Screw Nut Panel Mount Connector	$1.89	–
	1/2/5Pcs Gold Plated DC Power Plug Connector 5.5 x 2.5 / 5.5 x 2.1 / 4.0×1.7 / 3.5 x 1.35 mm DC Male Plug for Welding Line DIY	$1.92	–
	DC Type-c Female To 5.5*2.1 Female Cables 5521 Power Jack DC Power Conector 5.5×2.1 Adapter USB Type C Converter	$1.99	–
	Battery DC Power plug connector for diy dc waterproof jack connector 5.5 X 2.1 mm 5.5X2.5mm with Wire Turmera	$2.00	–
	4/10Pcs DC Power Plug DC Power Socket Male Female Jack Connector 2.1mm*5.5mm 2.5mm*5.5mm DC Plug Adapter	$2.00	–
	18cm 18awg 7A DC Male Female Power Supply Connector Cable 5.5×2.1mm 5.5×2.5mm Copper cord For LED Strip light Camera 2.1mm 2.5mm	$2.23	–
	5Pairs Male Female DC Connectors 5.5 X 2.1mm 25CM Jack Cable Wire Line Adapter Plug Power Supply for LED Strip Light	$2.35	–
	DC Cable/Plug – Male and Female Jack Adapters for Cable Wire and Power Supply, 5.5 x 2.1mm, Ideal for 5050/3528 LED Strip Lights	$2.39	–
	10 Pcs 12V 2.1 x 5.5mm DC Power Male Plug Jack Adapter Connector Plug for CCTV single color LED Light	$2.54	–
	10pcs 5.5×2.1 Plug DC male or Female Cable Wire Connector For 3528 5050 LED Strip Light	$2.70	–
	2 Pin Way Plug Waterproof Automotive Car Wire Electrical Connectors Plug With Wire For Car Motorcycle Scooter Marine 10/12/20pcs	$2.89	–
	50cm 14AWG DC connector Power socket Cable Plug Wire Male & Female 15A 5.5×2.1mm 2.5mm For LED light Strip CCTV Cameras	$2.93	–
	10A 18awg 19V 24V 12V 2 Way DC 1 Male to 2 Male Female Splitter Connector Power Supply Adapter Extension Cable 5.5×2.1mm Plug m	$3.03	–
	10 sets Kit 2 Pin Way AMP Super seal Waterproof Electrical Wire Connector Plug	$3.03	–
	10/20/50PCS 12V Dc Connectors Male Female Jack Cable Wire Line Adapter Plug Power Supply 5.5 x 2.1mm	$3.10	–
	5 Pairs IP65 Waterproof 2/3-Pin 22AWG Wire LED Male And Female Cable Connector LED Light Bar Connector General DC Interface	$3.32	–
	18awg 10A 1-36v 2 way 1 male female to 2 male female DC Power supply adapter Cable 5.5mmx2.1mm Splitter connector Plug extension	$3.44	–
	12V 24V Universal Car Cigarette Lighter to XT60 Charging Cable 1.5M 14AWG/16AWG Charging Cable Female Plug For Battery Power	$4.03	–
	0.7M Long 12V 24v DC 1 Female to 2 3 4 5 way Male connector Cable Power Supply extend Splitter Plug 18awg 7A for strip 5.5×2.1mm	$4.06	–
	PV Y T Branch Adapter Solars Panel Cables Connector With 4mm2 1000V 30A Solar Cable For pv Stecker combiner box 2 in 1 out	$4.11	–
	14AWG 2PIN 5.5×2.5mm / 5.5X2.1mm Power Plug DC Male Female Cable Wire 30cm Connector Adapter Socket Jack For LED Strip Light	$5.02	–
	1 Pair IP67 Solar PV Connector Approved 2 to 1 T Branch Male And Female Solar 100% PP0 Parallel DIY Solar Kits System	$6.53	–

Click here to search by yourself. Here are coupons that you can use.

Price history and price alert

Here is price history (for all/most countries) for DC 6-40V To 1.2-36V 300W 20A Adjustable Step Down Module Board. The lowest price was: $5.99.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
Price Alert