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SUNER POWER 12V 50W Solar Battery Charger Maintainer, Built-In Ultrasmart MPPT Controller, Adjustable Mount Bracket, Waterproof 30 Watt Solar Panel Kit for 12 Volt SLA Deey Cycle AGM Lifepo4 Battery Specification Item model number BC-50W-M1 Included Components ?1 x SAE-Battery Eyelet Cable, ?1 x SAE-Alligator Clip Cable, ?1 x Adjustable Mounting Brackets, ?1 x 50W Solar Panel with Built-in UltraSmart MPPT Charge Controller Maximum Power 50 Watts Maximum Voltage 12 Volts Upper Temperature Rating 65 Degrees Celsius Brand SUNER POWER Material | A+ Grade Solar Cell | Aluminum Frame | Tempered Glass | AC Adapter Current 4.17 Amps Connector Type Plug Play SAE Harness Item Weight 13.57 pounds Efficiency High Efficiency Manufacturer SUNER POWER Special Feature Ultra-Smart MPPT Technology Product Dimensions 22.8"L x 19.3"W x 1"H Country of Origin China Size BC-50W-M PRO 9.2 "h x 13.8 "h x 0.7 "h. Weight: 3.41 lb Item Description ?Ultra-Smart MPPT Technology?This 12v solar panel battery charger is crafted with SUNER POWER's unique Ultra-Smart MPPT technology, the innovative MPPT ( Max Power Point Tracking) allows to deliver high tracking efficiency of up to 99% and peak conversion efficiency of 98%, improving 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. The solar trickle charger stops charging when battery has full charge, and automatically resumes when battery has discharge, totally free maintenance ? 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. ? Three Battery Charging Modes ?Independently charge and control each 12 volt battery with selectable charging modes - including 12V, 12V AGM and 12V Lithium - for all types of lead-acid boat, car, dump trailer, automotive, marine, RV, powersport, camper and deep cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free, plus lifepo4 lithium batteries. ? Visual Charging Level?The charge level indicators allow to visually monitor the stage of charge among 25%-50%-75%-100%. 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 with zero overcharge. ? Superior Quality and Material?Made of premium Grade A+ solar cells with efficiency up to 21%-30%, tempered solar glass and durable corrosion-resistant aluminum 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-dilled holes on frame allows for quick mounting with included adjustable mount brackets, and all cables are plug and play, offering you easy and quick using experience. Product Description As we all know, batteries naturally drain power and if allowed to go flat, may never regain their full power. This product is a solar powered battery maintainer and charger for 12V batteries and helps manage battery drain in all season. The solar charger converts light energy from the sun into 12 volt DC electricity which is then transported to the rechargeable batteries through lead wire and connector of choice, replace the self-discharge of a battery in storage, so that the battery wouldn't "go dead". It can be used for gate opener, electrical fencer, cars, 4WD?s, trucks, motorcycle, marine, boats, farm equipment or any application where a 12v battery is used. The high efficient solar panel allows to absorb a wider spectrum of sunlight, as long as there is sufficient sunlight available, the charger will generate an electrical current to trickle charge the battery. The charger is built in the most super-intelligent MPPT(Maximum Power Power Tracking) chip to intelligently charge and fully protect the battery. The MPPT technology helps to generate at least 20%-30% more power than traditional PWM. And the LED indicator helps better understand the charging status on all days. Adjustable Anagle The adjustable joint ball make it possible to adjust the angle of solar panel to get as much as sunshine, increase 2%-3%more power. High Efficiency Solar Cell Made of high effciciency, 30% more than competitor, works great in sunlight. IP 65 Waterproof IP 65 waterproof design, withstand rain and snow, no worry to mount it outside, totally free maintenance. SHIPPING . We ship to US territories and worldwide. Please contact us if you have any special shipping instructions. Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Payment Options Shop With Confidence