can it be used with an inverter

Not recommended. Suggest you choose a right voltage/ country. I bought one from US and didn’t work. Finally bought another one from UK.

Can this be used as a 12v battery support for when remapping the ECU?

I would say no, as the output current supplied by the charger is automatic, so if the battery is full or close to full it won't provide a high current only trickle, but it will keep a current flowing somif that all you need it.might work for a remap..worth checking some remapping forums rather than Amazon...

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CTEK Pro25S 12V Battery Charger, Power Supply, Tender, Maintainer for Lithium, Truck and Car - Reconditioning Mode, Desulphator, Black

Product ID: 118438680

Details

Brand
CTEK
Colour
Black
Item weight
2.2 Kilograms
Output voltage
12 Volts (DC)
Product dimensions
14D x 24.1W x

⚡25A fast charge power

🔋Universal 12V battery compatibility

🌡️Built-in temp sensor

¥122650

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Charge smarter, drive stronger — never get left powerless!

PORTABLE RELIABLE - Lightweight design with stable power supply—perfect for professionals on the move.
ADVANCED BATTERY REVIVAL - Reconditioning mode and desulphator extend battery life and performance.
SMART TEMPERATURE CONTROL - Built-in sensor optimizes charging speed and protects battery health in any climate.
EFFORTLESS POWER MANAGEMENT - Fully automatic, spark-proof operation for safe, hands-free charging.
ALL IN ONE BATTERY COMPATIBILITY - Supports all 12V battery types including Lithium-ion LiFePO4, AGM, Gel, and more.

The CTEK Pro25S is a cutting-edge 12V battery charger designed for professional-grade maintenance and fast charging of all vehicle battery types, including Lithium-ion. Featuring a built-in temperature sensor, reconditioning mode, and desulphator, it ensures optimal battery health and longevity. Lightweight and fully automatic, it delivers 25 amps of reliable power with spark-proof safety, making it the ultimate tool for managers who demand efficiency and dependability on the road.

Specifications

ASIN	B07N1DKNRW
Amperage	25 Amps
Best Sellers Rank	20,199 in Automotive ( See Top 100 in Automotive ) 134 in Car Battery Charging Units
Box Contents	High quality clamps
Brand Name	CTEK
Colour	Black
Compatible Devices	12v vehicle batteries
Connector Types	Clamps/Alligator Clips
Country of Origin	China
Current Rating	25 Amps
Customer Reviews	4.9 4.9 out of 5 stars (18)
Input Voltage	12 Volts
Item Dimensions D x W x H	14D x 24.1W x 6.4H centimetres
Item Type Name	Vehicle Battery Charger
Item Weight	2.2 Kilograms
Manufacturer	CTEK
Manufacturer Part Number	40-198
Model Number	40-198
Number of Items	1
Number of Packs	1
Number of Ports	1
Output Voltage	12 Volts (DC)
Product Warranty	2 year manufacturer
Specification Met	CE
Unit Count	1.0 count

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¥122650

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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