Starting up a business is not something so easy, especially when you can’t predict what’s going to happen next; whether you’ll be successful or go down the drain. But if you have a plan prior to everything, you most probably can handle things very well.

Regardless of the ownership, whether you own it on your own or it’s a partnership with your affiliates, business plans still apply. You basically need the plan of action to make sure everyone equally understands the purpose of business as much as you do. It will also serve as a tool to give confidence to your investors and lenders to commit themselves into your business fearlessly. In short, business plans make you foresee the future of your company, at least to ensure that you’re not taking a stupid step ahead by helping you analyze the business idea. A bit of research is usually involved, but this hard work is very helpful indeed.

Here is how it works:

When the voltage on the emitter of Q1 rises a little over 1.5 volts, both transistors turn on quickly, snapping on due to the positive feedback through R5 and C2. The current increases in L1 through Q2 until the voltage across the cell drops somewhat below 1.5 volts.

The circuit then switches off quickly and the voltage on the collector of Q2 jumps up, turning on D1, allowing the inductor current to flow into the battery. Once the inductor has discharged into the battery, the process starts over.

The circuit can charge higher voltage batteries without any circuit changes since the voltage will jump up quite high on the collector when the transistors turn off. The circuit should not be operated without a battery attached. For a little more efficiency, increase R5 in proportion to the voltage increase on the battery.

(For example, double R5 for charging a 12 volt battery.) A NiCad battery was chosen because they are particularly forgiving of overcharging, simply converting the excess current into heat.

Cellphone Battery

Laptop Battery

Computer Battery

Notebook Battery

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