





SUNER POWER 20W 12V Solar Battery Trickle Charger & Maintainer PRO, Built-in Intelligent MPPT Controller, Waterproof 12 Volt 20 Watt Solar Panel Charging Kits for Car Marine RV Trailer Boat Automotive
Visit the SUNER POWER Store4.5|1,344 ratings
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About this item
- 【 UltraSmart MPPT Technology 】This 12v solar panel battery charger is crafted with SUNER POWER's unique UltraSmart MPPT technology, so all of its core parts, including its mppt charge controller and solar panel are built using premium and durable materials. The innovative MPPT-Charge-Controller-Technology allows to deliver high tracking efficiency of up to 99% and peak conversion efficiency of 98%, improve approximately 20%-30% utilization rate than other competitors.
- 【Improved 3-stages Charging】The improved 3-Stages charging algorithm (Bulk, Absorption, Float) allows to charge 12-volt battery more effectively, ensures battery is safely recharged and increases battery life and performance. The charging will be cut off when battery is fully charged, and automatically resumed when battery is not full, totally free maintenace.
- 【 Full Safety Protections 】Built-in multiple protections including over-charge, over-discharge, over-voltage, over-current, over-load, short circuit, reverse polarity, and over-temperature, waterproof and spark-proof, the battery is fully protected.
- 【 Wide Compatibility】It's not just a solar battery trickle charger, it's an advanced solar battery charger maintainer. A fully-automatic, worry-free smart solar battery charger for 12-volt sealed lead-acid car, automotive, marine, RV, powersport, boat, dump trailer, motorcycle, trolling motor, tractor, ATV and deep-cycle batteries, including flooded, gel, AGM, SLA and maintenance-free, plus lifepo4 lithium batteries.
- 【 Superior Quality and Material】Made of premium Grade A+ solar cells with efficiency up to 21%-30%, tempered solar glass and durable corrosion-resistant frame, withstand extreme weather conditions like UV, anti-rusting, and erosion, hail, and sandstorm, up to 2400Pa wind pressure and 5400Pa snow load.
- 【 Easy to Use 】Using the most advanced MPPT charge controller chip, this solar trickle battery charger maintainer starts to charge immediately when battery is registered. Pre-designed holes on solar panel frame allows for quick mounting with included screws, and all cables are plug and play, offering you easy and quick using experience.
What customers say
Customers find the solar charger works well, with one mentioning it performs even on cloudy days, and they appreciate that it keeps boat and trolling motor batteries fully charged with minimal effort. Moreover, the product is durable for exterior use, easy to set up, and offers good value. However, the charging rate and solar power performance receive mixed reviews, with several customers reporting issues with the device not charging at all. Additionally, the LED light display also gets mixed feedback, with multiple customers noting issues with the flashing green light.
Available Options:
2 variationsShips from and sold by Amazon.US
Return policy: Eligible for Return, Refund or Replacement
Product Information
Product Dimensions | 20.15 x 13.78 x 0.7 inches |
Item Weight | 5.09 pounds |
ASIN | B07Y5TKMZ4 |
Item model number | BC-20W-Pro |
Best Sellers Rank | #10,491 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #9 in Solar Battery Chargers & Charging Kits |
Other display features | Wireless |
Color | Navy Blue |
Manufacturer | SUNER POWER |
Date First Available | September 20, 2019 |