Feel free to inquire to learn more. Type: 4.0 ah battery. 1a power adapter, us plug, LED indicator to easily see the charging situation. Type: Battery power adapter. If the battery does not last 10 minutes, it May be caused by overheating.
[23% High Energy Conversion Rate] Made of monocrystalline silicon solar cells, Vtoman VS110 portable solar panel can absorb solar energy better with higher conversion efficiency that up to 23% than other conventional panels.