Specification: Item Type: Solar Panel Material: Polysilicon Weight: Approx. 18g / 0.6oz Product Size: Approx. 45x25mm / 1.8x1.0in Power: 0.15W Working Current: 125ma Working Voltage: 1V Conversion Efficiency: 18% Feature: Without power storage function Uses: Used for rechargeable batteries, home lighting and various low-power equipment, scientific projects, solar water pumps, small solar systems, etc. Package List: 4 x Solar Panel Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Features MULTIFUNCTION:Solar panel, suitable for small household projects, scientific projects, electronic applications, and to charge small batteries. Four mini solar panels that are designed for DIY projects and research purposes. FUNCTION:It is a device that absorbs sunlight and converts it directly or indirectly into electrical energy through photoelectric or photochemical effects. HIGH QUALITY:High‑quality polysilicon material, safe and durable, good weather resistance, able to withstand harsh weather conditions.Please note that these solar panels have a low power output and are not suitable for charging large devices or powering high-energy-consuming applications. WIDELY USE:Suitable for home lighting and various low‑power devices, solar toys, solar lights, small solar systems, etc.The dimensions of each solar panel are 45x25mm, which makes them compact and easy to integrate into various projects. HIGH EFFICIENCY:he photoelectric conversion efficiency is up to 18%, low power consumption, and there is no power storage function.as a power source for DIY gadgets.