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Black square epoxy-coated solar panel 165mm 4.5W 12V 380mA 120g

crystalsolar

crystalsolar 4.5W 12V 380mA Solar Panel Epoxy Monocrystalline

SKU CH-BN7G-1TWHK

A 4.5 W epoxy-coated monocrystalline panel delivers 12 V at 380 mA and weighs 120 g

  • Product typeSolar Panel
  • Product colorBlack
  • Delivers 4.5W of clean solar energy
  • 12V output charges 12-volt batteries directly
  • 380mA current suits small off-grid loads
  • 17% conversion rate maximises harvested power
  • Weighs 120g for easy portable deployment

Compact solar charger for off-grid devices

The Crystalsolar panel delivers 4.5W at 12V with a working current of 0.38A, using monocrystalline cells protected by an epoxy coating. Its 165mm square footprint and 120g weight suit backpackers, campers and garden-lighting projects that need portable daytime power.

Epoxy-sealed build with open leads for direct wiring

The PET and EVA laminate resists water ingress and handles outdoor exposure without a frame. No integrated controller or battery is included, so the bare leads connect straight to a charge controller, power bank or 12V load, keeping installation simple for DIY setups.

Passive operation with 17% conversion in sunlight

The panel runs silently with no moving parts and draws zero power when shaded. Under full sun it produces the rated 380mA at 12V; output falls proportionally with cloud cover or angle, so users should size storage for intermittent generation.

How it compares

Measured against everything we stock in Solar-Powered Chargers & Devices, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 80% of the 874 comparable items (median $25.99).

Specifications

Product
Product typeSolar Panel
Product colorBlack

Questions about this item

What voltage does the 4.5W panel deliver under load?

The panel operates at 12V and produces 0.38A, giving its rated 4.5W output in full sun.

What are the exact dimensions and weight for mounting?

The epoxy-coated module measures 165mm by 165mm by 2mm and weighs 120g, so it fits on a small flat surface with adhesive or Velcro.

How do I connect it to a battery without a controller, and what mistake should I avoid?

Wire the panel directly to a 12V battery through a blocking diode; the common error is omitting the diode, which lets the battery discharge back through the cells at night.

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