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30W 12V Solar Battery Maintainer & Trickle Charger

$44.99
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30W 12V Solar Battery Maintainer & Trickle Charger

Boost your 12V batteries with Callsun 30W 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 30W output · 30% efficiency · Adjustable Angle(360°) · IP68

Mechanical Characteristics(STC)

Maximum Power (Pmax) 30W
Maximum Power Voltage (Vmp) 20.16V
Maximum Power Current (Imp) 1.49A
Open-circuit Voltage (Voc) 24.3V
Short-circuit Current (Isc) 1.57A
Cell Type Monocrystalline Silicon

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

Specifications

Dimension 403 × 463 × 20 ± 2 mm (15.87 × 18.23 × 0.79 ± 0.08 in)
Weight 2.55kg(5.62 lb)
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
Connector Solar Connector Compatible

Includes

1 Pack: 30W 12V Solar Battery Maintainer & Trickle Charger×1
2 Pack: 30W 12V Solar Battery Maintainer & Trickle Charger ×1

Downloads & View

User Manual

View Download

FAQ

1. Can I leave the solar charger connected all the time?

Yes. The built-in intelligent chip automatically switches between Bulk, Absorption, and Maintenance modes. Combined with the 6-point safety system, it prevents overcharging and allows safe 24/7 connection.