Here is a solar charger circuit that is used to charge Lead Acid or Ni-Cd batteries using the solar energy power. The circuit harvests solar energy to charge a 6 volt 4.5 Ah rechargeable battery for ...

The circuit below feeds a controlled current and voltage to a 3.6v lithium ion battery. The current is limited to 300ma and the voltage is limited to 4.2 volts. The circuit uses a LTC1734 IC from ...

When you’re camping, backpacking, taking long day hikes, or simply sitting around your fire pit in the backyard, the closest outlet is likely farther away than your power cable can stretch. Pack a ...

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I mentioned back at the beginning of the month that GSLO had received its first test shipments of the Volt Solar Charger. GLSO has one of the only solar panel packing iPhone 4 cases on the market and ...