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Item #:
152778432
Optimate Solar Duo 40W Travel kit, TM522-D4TK, 6-Step 12V 12.8V 3.3A Weatherproof Solar Battery Saving Charger & maintainer
Item #:
152778432
MWK 730073
Price Details
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Saturday, July 11
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Ideal for camping and RV adventures, the fully automatic DUO charge controller accurately charges and maintains your battery by day and monitors it at night.
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What Stands Out
Dual Charging System
The Optimate Solar Duo features a 6-step charging protocol that optimizes battery health, ensuring efficient and safe charging for both 12V and 12.8V batteries in various weather conditions.
Compact & Portable
Designed for travel, this lightweight 40W kit is easy to transport, making it ideal for outdoor enthusiasts and travelers who need reliable power on the go.
Weatherproof Design
Built to withstand the elements, the weatherproof construction ensures durability and functionality, allowing users to maintain battery health in any outdoor environment.
Product Details
| Item Weight | 5 lbs (2.27 kg) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Frequent Travelers
Ideal for those who travel often and need a portable charger for vehicles or equipment during trips.
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Outdoor Enthusiasts
Perfect for campers, hikers, and boaters looking to keep batteries charged without relying on mains power.
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Battery Maintenance
Great for anyone wanting to maintain the health of their vehicle or auxiliary batteries over long periods.
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High Power Needs
Not suitable for devices requiring high power or rapid charging, as it's designed for low to average energy needs.
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Indoor Use
Less optimal for users needing a charger strictly for indoor or enclosed environments without solar exposure.
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Budget Shoppers
May not be suitable for individuals looking for low-cost chargers, as it's priced higher for its solar capabilities.
Product Description
Optimate Solar Duo 40W Travel kit, TM522-D4TK, 6-Step 12V 12.8V 3.3A Weatherproof Solar Battery Saving Charger & maintainer
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the Optimate Solar Duo 40W Travel kit designed for?
Answer: The Optimate Solar Duo 40W Travel kit is designed to maintain and charge 12V and 12.8V batteries using solar energy. This kit effectively keeps your batteries topped up, ensuring they are ready for use whenever needed. Its weatherproof design makes it suitable for outdoor use, which is ideal for vehicles, boats, and RVs. By utilizing the sun's energy, this charger supports sustainability while providing reliable battery maintenance. -
Question:
How does the 6-step charging process work?
Answer: The 6-step charging process of the Optimate Solar Duo involves initial testing, battery recovery, constant current charging, automatic change to a constant voltage phase, and finally maintaining the battery at the optimal level. This method ensures that your battery is not only charged quickly but also effectively maintaining its health over time. Using this systematic approach helps in preventing overcharging, ultimately extending the lifespan of your battery. -
Question:
Can the Optimate Solar Duo 40W charge multiple battery types?
Answer: Yes, the Optimate Solar Duo 40W is compatible with a variety of battery types, including lead-acid, AGM, and lithium batteries. This versatility means it can serve different vehicles and devices, making it an excellent option for households with multiple battery-powered equipment. Its ability to adapt to various battery chemistries ensures you have a reliable solution for all your charging needs. -
Question:
Is the Optimate Solar Duo suitable for use in all weather conditions?
Answer: Absolutely! The Optimate Solar Duo features a weatherproof design that allows it to operate effectively in various weather conditions, including rain and snow. This makes it an excellent choice for outdoor applications, such as charging batteries for boats, RVs, or any outdoor equipment. The durable construction ensures that the charger performs reliably, regardless of the environment. -
Question:
What is the output current of the Optimate Solar Duo?
Answer: The Optimate Solar Duo provides a charging output of 3.3A, which is effective for maintaining and charging 12V and 12.8V batteries. This higher current is beneficial for quicker charging cycles, especially when sunlight is abundant. Users can expect efficient performance, particularly when used in remote locations or during camping trips where conventional power sources may not be available. -
Question:
How should I set up the Optimate Solar Duo 40W?
Answer: Setting up the Optimate Solar Duo 40W is straightforward. First, position the solar panel in a location that receives direct sunlight. Next, connect the panel to the battery using the provided cables, ensuring correct polarity. Once connected, the charger will automatically begin its 6-step charging process. It is perfect for outdoor enthusiasts, as they can easily maintain their vehicle batteries during long trips without needing access to grid power. -
Question:
Can I use the Optimate Solar Duo indoors?
Answer: While the Optimate Solar Duo is predominantly designed for outdoor use, it can be used indoors as long as the solar panel has access to sunlight. However, indoor use may limit its efficiency depending on the positioning of windows and the amount of sunlight available. This makes it a great choice for maintaining batteries in vehicles that may be stored inside, but outdoor usage is recommended for optimal results. -
Question:
Is the Optimate Solar Duo portable?
Answer: Yes, the Optimate Solar Duo is designed with portability in mind, making it an ideal choice for travel. Its compact and lightweight design allows users to easily pack it in a vehicle or backpack, making it convenient for road trips, camping, or outdoor adventures. With the ability to maintain battery health on-the-go, this kit is essential for those who frequently participate in outdoor activities. -
Question:
How do I know if my battery is charging properly with the Optimate Solar Duo?
Answer: The Optimate Solar Duo comes equipped with LED indicators that provide clear feedback on the charging process. These indicators show whether the battery is charging, fully charged, or whether there is an issue. By monitoring these lights, users can easily determine the status of their battery, ensuring efficient operation and peace of mind while charging. -
Question:
Where can I buy Optimate Solar Duo 40W Travel kit, TM522-D4TK in Malawi?
Answer: You can purchase the Optimate Solar Duo 40W Travel kit, TM522-D4TK from Ubuy in Malawi. Ubuy is a reliable e-commerce platform known for offering a wide selection of products, including the Optimate Solar Duo, making it convenient to find and buy this solar battery charger and maintainer.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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MWK 730073
Order now and get it around Saturday, July 11
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Perfect for camping and RV adventures.
- Includes a 40W solar panel with adjustable stand.
- Features a DUO charge controller compatible with lead-acid and lithium batteries.
- Comes with necessary battery connection cables and storage bag.
- Connects easily to your battery with clips or fused lead.
- Guarantees efficient battery maintenance day and night.
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