Will there be overcharging issues with prolonged solar charging?

Please do not worry that such actions will damage your battery, as this product is equipped with an intelligent controller to prevent short circuits and overcurrent.

Why is my battery charging slowly or not charging?

1. Please check the environment and weather. Electricity generation may be reduced or disrupted during cloudy or rainy conditions. 2. Confirm that the solar panel is oriented towards direct sunlight. Adjust its position to ensure sufficient sunlight exposure on the surface. 3. Please check if the output cable is properly connecting or if there are any defects or loose connections. Try reconnecting the output cable. 4. Please inspect the surface of the solar panel for any obstructions. Remove any obstacles if present.

What's the difference between the nominal output power of the solar panel and the actual charging power?

1. The nominal output power is measured under STC (Standard Test Conditions), which involve a surface temperature of 25° C, air mass of 1.5, and solar intensity of 1000W/m² — a globally recognized standard for ground solar panel testing.This is an idealized testing environment and may significantly differ from actual usage conditions. 2. Nominal output power is directly proportional to the power and quantity of solar cells used in the solar panel. Therefore, different models of solar panels may have different nominal output powers, and there is no direct one-to-one relationship with actual charging power. 3. Actual charging power is influenced by multiple factors, sunlight intensity, the orientation and angle of the solar panel, environmental temperature, air mass, charging protocols, and the maximum charging power supported by the connected devices. In summary, nominal output power represents the theoretical maximum output of the solar panel under ideal conditions, as measured in the standardized STC environment. Actual charging power, on the other hand, is influenced by various practical factors and may be lower than the nominal output power

30W Intelligent Solar Battery Maintainer

~~$79.99~~ $69.99

Adopting high-performance, high-quality monocrystalline silicon solar cells achieves an outstanding conversion efficiency.
The controller equiped with intelligent chip, achieving a high conversion efficiency.
The solar panel features double flexible fiberglass boards as its inner protective material, ensuring worry-free installation without risking scratches on the vehicle. Its surface is composed of dust-proof, wear-resistant, and heat-resistant ETFE material.
It features safety functions such as reverse charging protection, reverse connection protection, overcharge protection, overvoltage protection。

Quantity

Technical Specifications

Maximum Power at STC (Pmax)

30W
Maximum Power Voltage (Vmp)

20.16V
Maximum Power Current (Imp)

1.48A
Opencircuit Voltage (Voc)

24.3V
Shortcircuit Current (Isc)

1.57A
Cell Type

Monocrystalline Silicon, PERC
IP Rating

IP68
Cell Efficiency

23.5%
Operating Temperature Range

14°F ~ 158°F/-10°C ~ 70°C
Efficiency

‎23.5%
Connector Type

‎O-ring terminal, Car charger, Alligator clip
AC Adapter Current

‎1.66 Amps
Maximum Voltage

‎18 Volts
Upper Temperature Rating

‎158 Degrees Fahrenheit
Maximum Power

‎30 Watts
Special Feature

‎Flexible, Waterproof
Compatible with

12V LiFePO₄, Lithium Ion, AGM, SLA, GEL, FLD, EFB, MF batteries

Connection & Compatibility

Dimensions

Dimensions

‎18.3 x 16.3 x 0.67 IN/465 × 415× 17.1mm
Weight

0.82kg (± 0.1kg)/‎1.46 Pounds

Solar Battery Maintainer for Various 12V Batteries

Our trickle charger for car battery 12V is designed to keep your 12V rechargeable batteries charged and maintained, perfect for vehicles that aren't frequently used, such as car boat RV camper and lawnmowers etc, It ensures your devices are always ready to go, preventing battery drain over time. Compatible with various battery types, including sealed lead-acid, deep cycle, LiFePO4, GEL, AGM, EFB,MF and flooded batteries etc

solar trickle charger for car battery 12v

A+ Monocrystalline for 23.5% Remarkable Efficiency

The solar battery tender uses premium A+ monocrystalline solar cells, achieving a remarkable 23.5% conversion efficiency. Reinforced with fiberglass, our solar car battery charger offers slight flexibility to bend at various angles while reducing weight, making it robust, shock-resistant, and impact-proof. Unlike rigid panels, it securely adheres to curved surfaces, providing versatile and reliable performance for different applications

Multi Protection for Safe Charging

This 12 volt solar battery charger features an integrated smart controller that provides comprehensive protection, including reverse charging, overcharge, overvoltage, overcurrent, short circuit, and overtemperature safeguards. You can rest assured that this 12v solar panel won't drain your car battery at night. Combining high efficiency with robust safety features, this solar car charger delivers reliable and secure performance

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 14.7V.
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

IP68 Waterproof

Experience unparalleled durability and performance with our solar battery charger 12 volt waterproof , designed to thrive in the harsh outdoor conditions. Featuring a robust ETFE coating, this solar 12v battery charger boasts an IP68 waterproof rating. Whether it's heavy rain, snow, hail, or sandstorms, the panel's superior protection shields it from the elements, guaranteeing reliable power generation over time

3 Wiring Ways and Easy to Use

Charge your 12V battery effortlessly with our 12 volt solar battery charger , which includes three convenient cables: alligator clip cable, car charging cable, and O-ring terminal cable. All cables are plug-and-play for easy setup. The solar battery charger for trailer also features three LED indicators to keep you informed of the charging status all the time

FAQS About 30W Intelligent Solar Battery Maintainer

All good

Works good

Seems to work.

Seems to work.

seems to work well

Seems like a good product, use it to keep a friends 2000 Chevy van battery topped off, so it doesn't run down in weeks between use. Would like to see more consumer info on how heavy duty a solar charger you need for your usage - wondering if this one was over-kill - also, did find myself wondering why solar chargers will not charge a battery that is dead, slowly charge it over time -

Works great

Product is as advertised to keep the battery charged

helps maintain battery

This is a fun way to maintain my camp battery that I use for my diesel heater when I'm away from electricity.It is easy to use with the clips and charges at a decent rate.

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