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CTEK

CTEK Pro 25S – 12V 25A Charger for Lead-Acid & LiFePO4 Batteries

✓ Authorized CTEK Dealer for India

SKU: SKU :40-194

Regular price Rs. 53,900.00
Regular price Sale price Rs. 53,900.00
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Authorised
Since 2014
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Pan-India
14-Day Returns
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Genuine Product
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Description

Product Description

The CTEK Pro 25S is a professional-grade automatic charger and the most powerful 12V battery charger in its class, delivering 25A for Lead-Acid and LiFePO4 batteries. Built for Indian workshops, fleet operators, and serious enthusiasts, it handles India's voltage fluctuations, monsoon humidity, and extreme heat. Compatible with every battery type found in Indian cars, trucks, and SUVs — a true all-in-one automotive charger.

Features & Benefits

  • 25A Fast Charging: Cuts turnaround time dramatically in high-volume Indian service centres.
  • Dual Chemistry Support: One 12v battery and charger solution covering AGM, GEL, WET, Ca/Ca, and LiFePO4 — no second unit needed.
  • RECOND Mode: Revives deeply discharged batteries after long monsoon-season storage.
  • Power Supply Mode: Stable 13.6V output protects ECU electronics during reprogramming on modern Indian vehicles.
  • Temperature Compensation: Reliable from -20°C to +50°C — covers every Indian climatic zone.
  • IP44 Weather Resistance: Dust and splash-proof for humid, monsoon-prone Indian garages.
  • Surge & Spark Protection: Reverse-polarity and short-circuit safe — essential for diesel fleet maintenance on India's unpredictable grid.

Detailed Specifications

Specification Details
Input Voltage 220–240V AC
Output 12V, 25A max
Lead-Acid Range 40–500Ah (WET, MF, AGM, GEL, Ca/Ca)
Lithium Range 30–450Ah (LiFePO4)
Temperature Range -20°C to +50°C
Protection Spark-proof, reverse polarity, short-circuit, IP44
Warranty 2 years manufacturer warranty

How To Use

  1. Connect red clamp to positive (+) and black to negative (–).
  2. Plug into a standard 220–240V Indian mains socket.
  3. Select battery type and programme on the unit.
  4. The automatic 8-step cycle completes fully unsupervised.

What's Included in the Box

  • CTEK Pro 25S 12V 25A Charger
  • Battery clamps with cables
  • User manual

Comparison: CTEK Pro 25S vs Generic Alternatives

Feature CTEK Pro 25S Generic Alternatives
Authenticity Genuine, original product High duplicate risk
Chemistry Support Lead-Acid + LiFePO4 Usually one type only
Voltage Safety Built for Indian grid fluctuations Often no protection
Warranty 2-year manufacturer warranty No reliable warranty
After-Sales Naredi India support team No local support

Understanding the Technology

The CTEK Pro 25S uses an 8-stage adaptive charging algorithm that monitors battery state-of-charge and adjusts current dynamically — preventing overcharge, sulphation, and cell damage. This constant-current/constant-voltage (CC/CV) methodology is what separates a professional car battery charger from a basic trickle charger. The dedicated LiFePO4 programme ensures lithium batteries receive the precise charge profile they require, extending cycle life significantly.

Warranty & Support in India

  • Warranty: 2-year manufacturer warranty against manufacturing defects
  • Customer Support: Monday–Saturday, 9 AM–6 PM IST. WhatsApp / Phone: +91 93112 11157 · hello@naredi.in
  • Returns: 14-day return and exchange policy, COD returns accepted
  • Delivery: Free delivery across India, Cash on Delivery available

Frequently Asked Questions

Is this compatible with Indian cars like Maruti, Mahindra, and Tata?

Yes — the CTEK Pro 25S supports all 12V Lead-Acid and LiFePO4 batteries used in Indian passenger cars, SUVs, and commercial vehicles.

Will it work safely with India's unstable power supply?

Absolutely — it is rated for 220–240V AC input with built-in surge and spark protection designed for Indian grid conditions.

How do I claim warranty or raise a return?

Contact WhatsApp / Phone: +91 93112 11157 or email hello@naredi.in Monday–Saturday, 9 AM–6 PM IST.

Is Cash on Delivery available?

Yes — COD is available with free delivery to all pin codes across India.

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