Asi to nebude az take ekologicke, ako sa to tu prezentuje. Tu je uryvok zo specifikacii>
Power Source: Internal battery, Solar Panel, USB connection
Battery Specifications:
- Type: high capacity rechargeable Lithion-Ion
- Source: Recharge using solar panel (sunlight or bright room light) or USB connection
- Charge Time: 4 hours
- Usage Time: 2-3 hours
Inymi slovami, na solarne clanky sa to pocas pouzivania neuzivi ani ked na to bude svietit priamo slnko (doba nabijania je vyssia ako doby pouzivania). Ale inak za 30 USD je to lepsie ako drotom do oka. Len keby to nebolo vyrobene v Cine (bude to nekvalitne).