---
product_id: 68487037
title: "OptiMATE Solar 40W, TM-523-4, 6-step 12V 3.33A sealed solar battery saving charger & maintainer"
brand: "tecmate"
price: "€ 373.20"
currency: EUR
in_stock: true
category: "Automotive"
url: https://www.desertcart.de/products/68487037-optimate-solar-40w-tm-523-4-6-step-12v-3
store_origin: DE
region: Germany
---

# OptiMATE Solar 40W, TM-523-4, 6-step 12V 3.33A sealed solar battery saving charger & maintainer

**Brand:** tecmate
**Price:** € 373.20
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** OptiMATE Solar 40W, TM-523-4, 6-step 12V 3.33A sealed solar battery saving charger & maintainer by tecmate
- **How much does it cost?** € 373.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/68487037-optimate-solar-40w-tm-523-4-6-step-12v-3)

## Best For

- tecmate enthusiasts

## Why This Product

- Trusted tecmate brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Size:OptiMATE SOLAR 40W 12V Kit
            
          
          
        
      
    
  


        
        
     
	       
     

     

     

     
                              
     
       
        
        
          
          
            
              Opiate Solar 20W Charge and Monitor system, the smart 24-7 battery care solution powered by the sun. Opiate Solar converts the low power from the solar panel to high current pulses more effective for charging and maintenance of a 12V battery. 6-STEP program - STEP1: TEST solar volts. STEP2: SAVE (from 1V). STEP3: CHARGE. STEP4: OPTIMIZE. STEP5: Opiate Maintenance. STEP6: MONITOR Battery Status.

## Features

- OptiMATE Solar 40W, the smartest sun powered 24-7 charger and maintainer for faster charging of your car, boat, tractor or excavating machine's 12V battery - Charger by day, monitor by night!
- Smart fully sealed charge controller converts solar power and delivers max. 3. 33A in full sun OR power pulses in cloudy weather, to your 12V lead-acid (STD, AGM, GEL) starter or deep cycle battery.
- Controller's 'night' monitor mode indicates battery's state of charge on a 3 LED panel - Status of your battery is available night and day!
- Wide spectrum weatherproof polycrystaline panel with corner mounts - Works in any weather!
- Unique pulse save mode recovers 'dead flat' sulphated batteries from as low as 1V - The most advanced solar recovery program! ; OptiMATE Solar smart pulse maintenance s more battery power, longer battery life!
- ›See more product details

## Images

![OptiMATE Solar 40W, TM-523-4, 6-step 12V 3.33A sealed solar battery saving charger & maintainer - Image 1](https://images-na.ssl-images-amazon.com/images/I/61vt%2BiKGJWL.jpg)
![OptiMATE Solar 40W, TM-523-4, 6-step 12V 3.33A sealed solar battery saving charger & maintainer - Image 2](https://images-na.ssl-images-amazon.com/images/I/41BsSFmodAL.jpg)
![OptiMATE Solar 40W, TM-523-4, 6-step 12V 3.33A sealed solar battery saving charger & maintainer - Image 3](https://images-na.ssl-images-amazon.com/images/I/51M9m%2BetkTL.jpg)
![OptiMATE Solar 40W, TM-523-4, 6-step 12V 3.33A sealed solar battery saving charger & maintainer - Image 4](https://images-na.ssl-images-amazon.com/images/I/51a%2Bsq91NtL.jpg)

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**Shop now:** [https://www.desertcart.de/products/68487037-optimate-solar-40w-tm-523-4-6-step-12v-3](https://www.desertcart.de/products/68487037-optimate-solar-40w-tm-523-4-6-step-12v-3)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-01-23*