price crash 2.5W 5V DIY Portable Solar Power Panel Charger Module for Outdoor Mobile Device Charging

1、Monocrystalline silicon solar charger high conversion rate can generate electricity in any weather. 2、Support solar charging automatic charging during the day stop working at night environmental protection. 3、Small size easy to carry suitable for outdoor riding mountaineering camping and picnic. 4、Easy to operate just put the panel in the sun the battery efficiency is higher and it can charge a 3.7V battery. 5、With battery overcharge protection overvoltage protection short circuit protection polarity reversal protection and other functions.