CTEK MXS 3.8 – 12V 3.8A Charger for AGM, GEL & Lead-Acid
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Description
Description
Product Description
The CTEK MXS 3.8 is a fully automatic charger and battery maintainer — the smartest automotive charger you can buy for Indian cars, bikes, and SUVs. Designed for India's 220V mains and unpredictable power conditions, it safely charges AGM, GEL, and Lead-Acid batteries across vehicles like Royal Enfield, Maruti, Tata, and Honda.
Features & Benefits
- 8-Step Automatic Programme: Fully hands-free charging — no manual adjustments needed, ideal for busy Indian households.
- Voltage Spike Protection: Built-in surge guard handles India's frequent power fluctuations without harming your battery.
- Wide Battery Compatibility: Works on AGM, GEL, and Lead-Acid batteries from 1.2 Ah to 110 Ah.
- Reverse Polarity & Short-Circuit Safe: Spark-free clamps — safe even for first-time users.
- Maintenance Mode: Leave connected safely through long Diwali holidays — zero overcharge risk.
- IP65 Rated: Dust and splash resistant — reliable through Indian monsoon humidity and garage use.
Detailed Specifications
| Specification | Details |
|---|---|
| Input Voltage | 220–240V AC, 50Hz |
| Output Voltage | 12V DC |
| Charge Current | 3.8A |
| Battery Types | AGM, GEL, Lead-Acid (WET/MF) |
| Battery Capacity | 1.2–110 Ah |
| Charging Steps | 8-step automatic programme |
| IP Rating | IP65 |
How To Use
- Connect red clamp to battery positive (+), black to negative (−).
- Plug into any standard 220V Indian wall socket.
- Charger auto-detects battery condition and begins the 8-step cycle.
- Disconnect after full charge or leave on for long-term maintenance.
What's Included in the Box
- CTEK MXS 3.8 Automotive Charger Unit
- Clamp Leads with Eyelet Terminals
- User Manual
Comparison: CTEK MXS 3.8 vs Generic Alternatives
| Feature | This Product | Generic Alternatives |
|---|---|---|
| Charging Logic | 8-step automatic | Basic trickle only |
| Overcharge Risk | Zero — auto cut-off | High risk |
| Surge Protection | Built-in, India-rated | Absent or unreliable |
| Authenticity | Genuine CTEK product | Duplicate risk |
| Weather Rating | IP65 certified | Unrated |
Understanding the Technology
CTEK's patented 8-step desulphation and conditioning process uses pulse charging to break down lead-sulphate crystals that accumulate on battery plates — a common problem in India's extreme summer heat. This microprocessor-controlled algorithm distinguishes the MXS 3.8 from ordinary trickle chargers by actively reconditioning degraded batteries before applying a precision absorption charge. The result is measurably longer battery life and reliable cold-cranking performance across Indian seasons.
Warranty & Support in India
- Warranty: 1-year warranty against manufacturing defects — genuine, authorised product.
- Customer Support: Monday–Saturday, 9 AM–6 PM IST. WhatsApp / Phone: +91 93112 11157 · hello@naredi.in (English & Hindi)
- Returns: 14-day return and exchange policy, COD returns accepted.
- Delivery: Free delivery across India, Cash on Delivery available at all pin codes.
Frequently Asked Questions
Will this charger work with India's 220V power supply?Yes — the CTEK MXS 3.8 is rated for 220–240V AC, 50Hz, matching every standard Indian wall socket exactly.
Is this compatible with my Royal Enfield or Maruti battery?Yes — it supports all AGM, GEL, and Lead-Acid batteries from 1.2 Ah to 110 Ah, covering virtually every Indian car and bike.
How do I raise a warranty claim?Contact us via WhatsApp / Phone: +91 93112 11157 or hello@naredi.in Monday–Saturday, 9 AM–6 PM IST.
Can I pay Cash on Delivery (COD)?Yes — COD is available across India with free delivery to all pin codes.
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.
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Shipping and Delivery
Shipping and Delivery
The estimated lead time is 2 -3 days, but naredi.in or its affiliates are not responsible for delays or damages by courier. Any damages during transit need to be reported within 24 hours of receiving the shipment. We will try our best to help you resolve the issue.
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Returns & Refunds
Returns & Refunds
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
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