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20W 12V Solar Battery Maintainer & Trickle Charger

$29.99
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20W 12V Solar Battery Maintainer & Trickle Charger

Boost your 12V batteries with Callsun 20W high-efficiency solar charger. Featuring A+ monocrystalline cells, IP68 all-weather durability, smart 3-stage charging, and wide battery compatibility, it keeps your cars, RVs, boats, and motorcycles powered and ready, anytime, anywhere.

Why Choose Callsun Solar Panel

Feature Callsun Solar Panel Other Solar Panels
Efficiency 30% 20%
Installation 360° Flexible Installation 180° Flexible Installation
Waterproof IP68 IP65
Frame Anodized Aluminum Alloy General Aluminum Alloy
Glass 1.6mm Tempered Glass 0.6mm Tempered Glass

Specifications

Key Specs at a Glance 20W output · 30% efficiency · Adjustable Angle(360°) · IP68

Mechanical Characteristics(STC)

Maximum Power (Pmax) 20W
Maximum Power Voltage (Vmp) 20.23V
Maximum Power Current (Imp) 0.99A
Open-circuit Voltage (Voc) 24.37V
Short-circuit Current (Isc) 1.04A
Cell Type Monocrystalline Silicon

*STC(Standard Test Condition): Irradiance 1000W/m², Cell Temperature 25°C, Air Mass 1.5.

Specifications

Dimension 303 × 408 × 20 ± 2 mm (11.93×16.06×0.79 ± 0.08 in)
Weight 1.95kg(2.3lb)
Compatible with 12V LiFePO4, Lithium Ion, AGM, SLA, GEL, FLD, EFB, MF batteries
Glass 1.6mm Tempered Glass
Frame Anodized Aluminium Alloy
IP Rating IP68
Max. Wind Load/Snow Load 2400Pa/5400Pa

Includes

1 Pack: 20W 12V Solar Battery Maintainer & Trickle Charger×1
2 Pack: 20W 12V Solar Battery Maintainer & Trickle Charger ×1

Downloads & View

User Manual

View Download

FAQ

1. What types of batteries are compatible with this 12V solar charger?

This smart 12V solar charger works with LiFePO4, Li-ion, AGM, SLA, GEL, FLD, EFB, and MF batteries. It's suitable for cars, RVs, boats, motorcycles, campers, lawn mowers, trailers, water pumps, and electric fences.