I have 20v input and want 6v output can you set the output voltage? I need low voltage protection and the ability to step down the voltage.

What you need is called a "buck". There are 3 kinds: step-up, step-down and step-up/down. I use a step up/down buck with this low-voltage cutoff module. As the output voltage from the LiPo battery that I'm using drops from 12.4V at fall charge to 10.4V at minimum operating voltage, the buck maintains a constant 12.0V to the powered device. When the battery reaches it's minimum recommended operating voltage of 10.4V, the low-voltage cutoff module cuts off power to prevent the battery from further discharging. LiPo batteries can be permanently damaged if they fall below about 9V output (and they're expensive to replace!)

I can connect this to a li ion battery and it will output enough power for a 300w inverter? Something like 25 amps?

In your scenario, you would use this module to control a higher amperage relay that can handle the higher load. Just connect the output of the protection module to the control terminals of the larger relay.

Why is imput voltage 12-36 but output is 6-60V? Can this be used with 56V battery?

Grammatical error, 36v max, in you're case it it will work if you have access to the connections of the individual cells or banks

2pcs 12v 36v Dc Voltage Protection Module Over Discharge Protection

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Description

🔌 Stay powered, stay protected — never let your battery run dry!

DUAL MODULE PACK - Two compact 57x42x19mm modules for versatile, scalable battery protection setups.
WIDE COMPATIBILITY - Seamlessly works with lead acid, lithium ion, and solar panel batteries (12-36V).
SMART LED INTERFACE - Instantly view and program voltage thresholds with a clear 3-digit red LED display.
ENERGY SAVING DESIGN - Consumes less than 1.5W while vigilantly preventing over-discharge and battery damage.
PRECISION VOLTAGE GUARD - Protect your batteries with ultra-accurate 0.1V disconnect control to maximize lifespan.

The Onyehn 2pcs DC Voltage Protection Module offers precise, programmable low voltage disconnect for 12-36V lead acid and lithium ion batteries. Featuring a compact design, 0.1V control accuracy, and a clear 3-digit LED display, it safeguards your batteries from over-discharge to extend their lifespan. Ideal for solar setups and everyday electronics, this dual-pack module ensures reliable, energy-efficient battery management with easy programming and durable performance.

Specifications

ASIN	B07QNXM4LS
Brand	Onyehn
Brand Name	Onyehn
Color	red
Colour	red
Customer Reviews	4.2 out of 5 stars 488 Reviews
Display Type	LED
Display type	LED
Included Components	2x Protection Module
Item Dimensions L x W x H	5.7L x 4.2W x 1.9H centimeters
Item Weight	0.06 Kilograms
Item weight	0.06 Kilograms
Manufacturer	Onyehn
Material	Lead
Material Type	Lead
Model	XH-M609
Number of Items	2
Part Number	XH-M609
Product dimensions	5.7L x 4.2W x 1.9H centimeters

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E£ 2359

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In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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2pcs 12V-36V DC Voltage Protection Module Over Discharge Protection

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Description

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Common Questions