TBER Waterproof 12W 12V Solar Battery Charger & Maintainer Pro, Built-in UltraSmart MPPT Charge Controller, 12 Volt Solar Panel Trickle Charging Kits for Car Automotive Boat Marine RV Traile

• Innovative MPPT Built-in Controller: Maximizes charging efficiency with up to 99% conversion. This 12v solar panel battery charger is crafted with TBER's unique Ultra-smart MPPT technology, so all of its core parts, including its MPPT charge controller and solar panel are built using premium and durable materials.
• 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.
• Free Maintenance：The solar trickle charger stops charging when battery has full charge, and automatically resumes when battery has discharge, totally free maintenance. A fully-automatic, worry-free and smart 12volt solar charger.
• Comprehensive Battery Protection: MPPT controllers include a float/maintenance stage to prevent overcharging, extending battery life and improving energy efficiency. Compatible with various 12V batteries, including gel, AGM, SLA, VRLA, and lithium-ion
• Superior Quality and Material: Made with PC+ABS+Tempered glass, these solar panels withstand -40 to 137°C and are IP65 waterproof, enduring heavy rain, ABS+PC frames are stronger than flexible panels and won't damage car paint like aluminum frames
• Very Comfortable to Use: Using the most advanced MPPT technology, this 12 volt solar battery charger starts charging immediately when it detects a battery. Pre-designed holes allow for quick mounting with included mounting screws, and all cables are plug and play, offering easy and quick using experience.

Extend the Life of Your 12V Battery with our 12W Solar Battery Charger
A solar powered battery charger is crucial for keeping your car battery in top shape,
especially if your vehicle isn’t used regularly. Car batteries naturally lose charge
over time and modern vehicles have various electronic systems, like alarms and
anti-theft devices, that continue to drain power even when the engine is off. This
constant power draw can eventually lead to a dead battery when you least expect it.
A solar car battery charger helps by providing a steady trickle charge, ensuring your
battery stays fully charged and ready to go.
Moreover, maintaining the correct voltage with a solar trickle charger for car
battery 12V helps extend your battery’s lifespan by preventing deep discharges,
which can lead to insulation—a common cause of battery failure. Using a solar
battery charger can save you money on replacements, reduce the chances of being
stuck with a dead battery, and support green energy by utilizing solar power.
Note: This solar car battery maintainer is not designed to charge a completely dead battery.
12W Solar Battery Charger with Multiple Protection Features
This solar battery charger 12 volt waterproof is specifically designed for car and
boat trickle charging, featuring an advanced intelligent charge controller with
robust reverse charging protection. It ensures that your battery is safeguarded
against any potential damage from back-flow, providing peace of mind during
long-term use. In addition to reverse charging protection, the 12V solar panel offers
multiple safety features, including overcharge protection, short circuit protection,
over-voltage protection, over-current protection, and overheat protection. Ideal for
maintaining battery health in cars, boats, RVs, and during camping, this marine
solar battery charger delivers safe and efficient charging, extending battery lifespan
and ensuring reliability in outdoor conditions
Monitor Charging Status At Any Time
Only blue light on before connecting battery indicating sunlight detected
Only blue light on when connecting battery indicating battery voltage exceeds 13.1V
Blue and red light on indicating charging in progress
Blue and green light on indicating stable trickle charging,the red light may be
on ,flashing or off under this status
All lights off indicating insufficient sunlight
Package Included:
1*12W solar battery charger
1*alligator clip cable
1*car charging cable
1*O-ring terminal cable
4*suction cups
2*hanging buckles
1*user manual