How to force 6V charging mode to 12V?

If the charger accidentally recognizes the 12V battery as a 6V battery (for example, the power of 12V battery is less than 6 Volts), you can press and hold the Mode button for 5 seconds, and the charger will be forced to switch to the 12V charging mode.

Will this work for 12v interstate batteries deep cycle 840 marine cranking amp battery?

Yes it will work. It is also a 6 volt charger select which battery you are charging. This charger has worked good for me

Can you adjust the amps?

No adjustment plug it in it's automatic

Does thus work on Marine gel batteries?

I charged a geĺ battery for a flashlight. It worked. Iuse this too keep my mower battery charged. Ìt works great

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1.75-Amp 6V and 12V Smart Fully Automatic Battery Charger Maintainer, Trickle Charger, Battery Desulfator for Car, Lawn Mower, Motorcycle, Boat, Marine Lead Acid Batteries

1.75-Amp 6V and 12V Smart Fully Automatic Battery Charger Maintainer, Trickle Charger, Battery Desulfator for Car, Lawn Mower, Motorcycle, Boat, Marine Lead Acid Batteries

Product ID: 554096661

Details

Brand
NEXPEAK
Colour
1P-NC175
Item Weight
0.26 Kilograms
Output Voltage
12 Volts
Product Dimensions
5.6D x 9.7W x

⚡1.75A smart charging power

📊Real-time LCD status display

🔋6V/12V multi-battery compatibility

NZ$154

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Power up smarter, not harder — keep your ride ready for every adventure!

4 IN 1 POWERHOUSE - Charger, Maintainer, Trickle & Desulfator all in one sleek device—never buy another charger again.
VERSATILE PORTABLE - Compact design with extra-long SAE cord and alligator/ring connectors fits cars, motorcycles, boats, and more.
VISUAL BATTERY INSIGHTS - Crystal-clear LCD screen shows voltage, current, and charge % so you’re always in control.
PLUG PLAY PEACE OF MIND - Auto cut-off and trickle mode with full multi-layer protection means set it and forget it safely.
7 STAGE INTELLIGENT CHARGING - Advanced pulse repair and desulfation extend battery life and restore old batteries like new.

The NEXPEAK 1.75-Amp Smart Battery Charger is a compact, fully automatic 4-in-1 device designed for 6V and 12V lead-acid batteries. Featuring a 7-stage charging program with pulse repair technology, it restores battery health while maintaining optimal charge via trickle mode. Its intuitive LCD screen provides real-time charging data, and comprehensive safety protections ensure worry-free, long-term use across cars, motorcycles, boats, and more.

Specifications

ASIN	B0B3RJCNS5
Amperage	1.75 Amps
Best Sellers Rank	#158,556 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #769 in Battery Tools
Brand	NEXPEAK
Brand Name	NEXPEAK
Colour	1P-NC175
Compatible Devices	Cars, Motorcycles, Boats, Lawn Mowers, ATVs, UTVs
Connector Type Used on Cable	Alligator and Ring Connectors
Country of Origin	USA
Current Rating	1.75 Amps
Customer Reviews	5.0 out of 5 stars 1 Review
Input Voltage	12 Volts
Item Dimensions D x W x H	5.6D x 9.7W x 2.6H Centimeters
Item Weight	0.26 Kilograms
Item Weight Unit of Measure	0.26 Kilograms
Manufacturer	NEXPEAK
Model Number	NC175
Output Voltage	12 Volts
Product Dimensions	5.6D x 9.7W x 2.6H Centimeters
Specification Met	UL
Unit Count	1.0 Count

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