$21.69 (as of 07/11/2020 01:05 PST details )
Features:
- Solar Charging Solar charging panel is environmentally friendly, durable and has a long service life.
- Built in Diode Built in blocking diode to prevent reverse discharge, which is more convenient to use.
- High Conversion Rate Maintain and extend battery life, high efficiency and conversion rate up to 19 21%.
- Easy to Install It is simple to install, easy to maintain, flexible and suitable for surface mounting.
- Wide Applications Suitable for outdoor, mountain forest, grassland and other power generation, portable emergency charging.