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Solar Panel for Smart Trickle

Solar Panel for Smart Trickle

Reliable solar battery maintainer panels for cars, RVs, boats, motorcycles, and seasonal vehicles. Prevent battery drain with clean solar power.


  • 15W 12V Solar Battery Maintainer & Trickle Charger

    30% High Efficiency
    Adjustable Angle(360°)
    (23)
    Regular priceFrom $23.99
    View details
  • 7.5W 12V Solar Battery Maintainer & Trickle Charger

    30% High Efficiency
    Adjustable Angle(360°)
    (14)
    Sale price $19.99 Regular price $21.99
    View details
  • 30W 12V Solar Battery Maintainer & Trickle Charger

    30% High Efficiency
    Adjustable Angle(360°)
    (12)
    Regular priceFrom $44.99
    View details
  • 20W 12V Solar Battery Maintainer & Trickle Charger

    30% High Efficiency
    Adjustable Angle(360°)
    (14)
    Regular priceFrom $29.99
    View details

Find Your Perfect Match

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A table comparing the facets of 4 products
Facet
Callsun 15W 12V solar battery maintainer trickle charger kit with rigid monocrystalline panel alligator clips and O-ring cables.
15W 12V Solar Battery Maintainer & Trickle Charger
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Callsun 7.5W Solar Trickle Charger for 12V Car and Boat Batteries.
7.5W 12V Solar Battery Maintainer & Trickle Charger
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Callsun 30W 12V solar battery maintainer & trickle charger kit with adjustable bracket and alligator clips on a white background.
30W 12V Solar Battery Maintainer & Trickle Charger
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Callsun 20W 12V solar battery maintainer kit with rigid panel, smart controller, alligator clips, and O-ring cables for car RV.
20W 12V Solar Battery Maintainer & Trickle Charger
View details
Maximum Power (Pmax)
Maximum Power (Pmax)
15W
7.5W
30W
20W
Maximum Power Voltage (Vmp)
Maximum Power Voltage (Vmp)
20.16V
18.08V
20.16V
20.23V
Maximum Power Current (Imp)
Maximum Power Current (Imp)
0.75A
0.42A
1.49A
0.99A
Open-Circuit Voltage (Voc)
Open-Circuit Voltage (Voc)
24.3V
21.28V
24.3V
24.37V
Short-circuit Current (Isc)
Short-circuit Current (Isc)
0.79A
0.43A
1.57A
1.04A
IP Rating
IP Rating
IP68
IP68
IP68
IP68
Weight
Weight
3.75 lb/7.05 lb
3.46 lb
5.62 lb/10.25 lb
4.30 lb/7.94 lb
Dimension
Dimension
14.76 * 13.19 * 2.95 in/14.76 * 13.19 * 5.31 in
14.76 * 9.25 * 2.95 in
19.88 * 17.01 * 2.95 in/19.88 * 17.01 * 5.31 in
17.91 * 13.19 * 2.95 in/17.91 * 13.19 * 5.31 in
Anti-shading
Anti-shading
Non Sectioned
Non Sectioned
Non Sectioned
Non Sectioned
Solar Cell Type
Solar Cell Type
P-Type
P-Type
P-Type
P-Type
Price
Price
Regular priceFrom $23.99
Sale price $19.99 Regular price $21.99
Regular priceFrom $44.99
Regular priceFrom $29.99
Rating
Rating
(23)
(14)
(12)
(14)

Frequently Asked Questions

How many solar panels do I need?

Determine your energy needs by listing all devices (lights, fridge, laptop, etc.) you plan to run. Use the total wattage to calculate the system size.

How long do solar panels last?

Callsun N-Type panels are designed for long-term reliability. With high-efficiency cells, they maintain high power output for decades with minimal degradation.

How is flexible different from rigid solar?

Rigid panels offer superior durability and efficiency for permanent setups. Flexible panels are lightweight, adaptable to curved surfaces, and perfect for RV/portable use.

What is a bifacial solar panel?

Bifacial panels capture sunlight from both sides, generating extra power (5-30% gain) by absorbing light reflected off the ground or roof surface.

What is anti-shading technology?

Callsun’s anti-shading quad-cell structure ensures that if part of the panel is covered by shadows, the rest continues to generate power effectively.

Why choose N-Type solar panels?

N-Type cells offer higher conversion efficiency, better low-light performance, and lower degradation over time compared to P-Type. They ensure your investment lasts longer with consistent power output.

Are extra mounts or connectors needed?

It depends on your setup. While our panels come with MC4 connectors, you might need Z-brackets for roof mounting or a charge controller to manage battery charging. Check your kit details to confirm compatibility.

How to maximize solar energy efficiency?

Proper orientation and tilt angle are crucial. Face panels towards the equator (south in Northern Hemisphere). Avoid any shading, as it significantly drops output. Keep surfaces clean for maximum light absorption.