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CTEK
CTEK Pro 25S 12V 25A Battery Charger and Power Supply | Pro Workshop Fleet Charging for India
Professional 25A charger and power supply with lithium support. For workshops and fleet operations.
voltage
12V
current
25A
battery range
Up to 500Ah
battery types
WET, AGM, EFB, GEL, Ca/Ca, LiFePO4
function
Charger + Power Supply
display
Digital LCD
warranty
3 years
₹53,900
+ 18% GST
Total incl. GST: ₹63,602
Free shipping across India
14-day returns
Authorized Distributor
Official dealer since 2014
100% Genuine
Sourced directly from CTEK
Replacement Warranty
Defective unit replaced, not repaired
Direct Support
About This Product
Why the CTEK Pro 25S 12V?
The Pro 25S is CTEK's mid-range professional unit — 25A of output with a built-in power supply function, lithium battery support, and a digital LCD that shows real-time charging data. For a workshop servicing 10–20 vehicles per day, the Pro 25S at 25A turnsaround cars twice as fast as a 10A charger. The power supply mode maintains stable 13.5V during ECU programming and battery replacement — preventing the costly ECU damage that a basic charger cannot protect against.
How It Works
The 5-step process explained
1
Power Supply Mode
Stable 13.5V output for ECU programming, software updates, and battery-out procedures.
2
Rapid Charge Mode
25A charges a flat 45Ah battery in approximately 2.5 hours.
3
All Battery Types
Dedicated modes for WET, AGM, EFB, GEL, and LiFePO4 — one unit covers the full range of modern battery types.
4
Digital Display
Shows charging current, voltage, time remaining, and battery status in real time.
5
Maintenance Mode
Holds battery at peak condition between workshop jobs.
How To Use
Step-by-step instructions
Select battery type on the LCD menu: WET, AGM, EFB, GEL, or Li.
For ECU work: select Power Supply mode, set voltage to 13.5V, connect before starting diagnostics.
For charging: standard charge mode at up to 25A.
Connect red clamp to positive (+), black to negative (−), then plug into 230V.
LCD shows real-time progress — estimated time to full charge is displayed.
Compatibility
Works with these vehicles
Compatible vehicles — common examples. If your vehicle is not listed, ask Arjun below — it almost certainly still works.
Workshop — all 12V vehicles
25A rapid charge, up to 500Ah
All types
ECU programming support
Stable 13.5V power supply
Power Supply
LiFePO4 lithium batteries
Dedicated Li mode
Lithium
Fleet maintenance
Rapid turnaround charging
Standard
Don't see your vehicle? Ask Arjun — tell him your make, model and year for a direct answer.
Not suitable for: Home users — overkill and overpriced for occasional use. 24V trucks — use MXT 14.
How It Compares
vs other options
vs MXS 10: At 25A versus 10A, the Pro 25S charges 2.5x faster. The power supply function and digital display also make it more useful for a professional workshop. vs MXTS 40: The Pro 25S is 12V only. If you service trucks as well as cars, the MXTS 40 with dual 12V/24V capability is more versatile.
FAQ
Common questions
How is a CTEK charger different from a cheap charger?
A basic charger pushes current until you disconnect it, which can overcharge and damage the battery. CTEK chargers use a multi-step algorithm — they assess battery condition, desulfate if needed, charge at the optimal rate, and switch to maintenance mode automatically. Safe to leave connected indefinitely.
Can I charge an AGM battery with a standard charger?
No — AGM batteries require a specific voltage ceiling and charging profile. A standard charger will overcharge an AGM battery and destroy it. All CTEK chargers with an AGM mode are safe for AGM batteries.
How often should I charge my car battery?
If you drive daily, your alternator keeps the battery charged. But if the car sits unused for more than 2 weeks, connect a charger. In Indian summers, charge and test every 3 months — heat is the primary cause of early battery death.
Is it safe to leave a CTEK charger connected for months?
Yes. CTEK chargers automatically switch to pulse maintenance mode once charging is complete. They deliver tiny pulses to keep the battery at 100% without overcharging. Many customers leave them connected for the entire monsoon/winter storage period.
Is naredi.in an authorized dealer?
Yes. naredi.in is the authorized distributor in India for CTEK, Rislone, OzCharge, Autool and Foxwell. Products are sourced directly from the brands — not grey market imports. Warranty is handled by naredi.in directly in India.
What is the return policy?
14-day returns from the date of delivery, hassle-free. Contact naredi.in via WhatsApp at +91 93112 11157 to initiate a return.
How long does shipping take?
Free shipping across India. Metro cities typically 2-3 days, other cities 3-5 days. Tracking is provided once dispatched.
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Ask Arjun
Not sure if this is right for your vehicle?
Tell Arjun your vehicle and situation — he'll give you a straight answer, not generic advice.
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