Share
CTEK
CTEK CS One – 12V Charger for AGM, EFB, GEL & Lithium Batteries
SKU: SKU :40-330
Low stock
Couldn't load pickup availability
Description
Description
Product Description
The CTEK CS One is a premium automatic charger and automotive charger engineered in Sweden for 12V AGM, EFB, GEL, Wet Cell, and Lithium (LiFePO4) batteries. This intelligent battery charger suits Indian car owners, workshops, and fleet managers running Maruti, Tata, Mahindra, and Royal Enfield vehicles. Its universal input handles India's notorious voltage fluctuations without risk to your battery.
Features & Benefits
- Adaptive Chemistry Detection: Auto-identifies battery type — no manual switching, perfect for busy Indian workshops.
- Universal 100–240V Input: Charges safely through India's erratic power supply without damage.
- Bluetooth App Control: Monitor live charging via the free CTEK app on iOS or Android.
- 8-Step Desulphation: Revives deeply discharged batteries after long monsoon or summer storage.
- Spark-Proof Safety: Reverse polarity and short-circuit protection for dimly lit Indian garages.
- Start-Stop & Diesel Ready: Fully supports EFB start-stop systems common in modern Indian cars.
- Genuine Swedish Origin: Authorised CTEK product — not a grey-market or duplicate unit.
Detailed Specifications
| Specification | Details |
|---|---|
| Input Voltage | 100–240V AC, 50/60Hz |
| Output Voltage | 12V DC |
| Battery Types | AGM, EFB, GEL, Wet Cell, Lithium (LiFePO4) |
| Charging Programme | 8-step automatic |
| Connectivity | Bluetooth — CTEK App (iOS & Android) |
| Origin | Sweden (CTEK) |
How To Use
- Download the free CTEK app on your Android or iOS device.
- Connect red clamp to positive terminal, black to negative.
- Plug into any standard Indian 230V wall socket.
- Select battery type in the app — charging begins automatically.
What's Included in the Box
- CTEK CS One Charger Unit
- Clamp Cable Set
- User Manual
Comparison: CTEK CS One – 12V Charger for AGM, EFB, GEL & Lithium Batteries vs Generic Alternatives
| Feature | CTEK CS One | Generic Alternatives |
|---|---|---|
| Authenticity | Authorised, genuine product | Often unverified origin |
| Voltage Safety | 100–240V, fluctuation-safe | Fixed input, damage risk |
| Battery Detection | Fully automatic | Manual selection only |
| App Monitoring | Bluetooth CTEK app | No smart connectivity |
| After-Sales Support | India-based warranty support | No local support |
Understanding the Technology
The CTEK CS One uses adaptive pulse charging — an advanced multi-stage algorithm that adjusts current and voltage in real time based on battery chemistry and state of charge. This prevents overcharging, a critical concern given India's high ambient temperatures that already accelerate battery degradation. The integrated desulphation mode breaks down lead-sulphate crystals that form during prolonged vehicle storage, restoring capacity to batteries that appear dead. This is why professional automotive technicians globally trust CTEK over conventional trickle chargers.
Warranty & Support in India
- Warranty: 1-year 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
Will this automotive charger work with my Maruti or Tata car battery?Yes — the CTEK CS One is compatible with all 12V AGM, EFB, GEL, Wet Cell, and Lithium batteries found in Indian passenger cars, SUVs, and motorcycles.
Is this product safe to use on India's 230V supply with frequent fluctuations?Absolutely — its 100–240V universal input is designed to handle India's variable power conditions without any risk to your battery.
How do I claim warranty or raise a complaint?Contact our India-based support team via WhatsApp / Phone: +91 93112 11157 or hello@naredi.in, Monday to Saturday, 9 AM–6 PM IST.
Is Cash on Delivery (COD) available, and what is the delivery time?Yes, COD is available with free delivery to all Indian pin codes — order today for fast dispatch.
Complete Your Kit
Everything you need for complete vehicle care
- Test before you charge: Battery Testers →
- Diagnose the root cause: OBD Diagnostic Tools →
- Emergency backup: Jump Starters →
- Keep fluids healthy: Performance Additives →
Further Reading
Our guides will help you get the most out of this product.
