ALLPOWERS 2pcs 2.5W 5V/500mAh Mini DIY Solar Panel Charger Kit R2500-V2 * Transformation efficiency: 22%-25%

* Transformation efficiency: 22%-25%

Easy to assemble

Dual USB port(5V/2

Conversion Rate: 17%

which makes it wear-resistant

ALLPOWERS 2pcs 2.5W 5V/500mAh Mini DIY Solar Panel Charger Kit R2500-V2 * Transformation efficiency: 22%-25%ALLPOWERS DIY solar panels are using solar panels to design solar powered appliances such as solar toys and solar displays, etc. Specification Of DIY Solar Panel Charger Kit (Solar Cell Only) Size: 130mm*150mm Voltage: 5V Current: 500mAh Power: 2. 5W Conversion Rate: 17% Weight: 92g Standard Configuration 1. Backing: PCB 2. Protective film: PE Warm Tips: the bubble on the panel will not affect its normal working, you can remove it, just like the