What is a good battery, and which is not?

In today's world, few people to do without digital technology and tools. The question arises: how to choose the right battery for a particular high-tech device? What a good battery will last a really long time? In this article we consider the main types of batteries and will help you to find the most suitable for the example of the camera and a screwdriver.

Types of batteries for small devices

Regular AA batteries-of format. These are a cheap and common power sources still do not hand over their positions. They are used in wireless mice and keyboards economy class, remote consoles, cheap cameras-cameras, flashlights, children's toys, etc.

However, modern digital photo devices batteries – not the way – all too quickly they sit down. So what are the better batteries for the camera? It depends on the device and frequency of use. the Greatest popular eco-friendly modern batteries are NiMH. Have a working voltage of 1.2 V and the nameplate capacity in the range 2500-2700мА/h. the lithium Batteries are also suitable for cameras.

What to consider when choosing a battery for your camera?

First, not to chase after the nameplate capacity of the large size. As practice shows, there is a value manufacturer, Varta capacity 2700мА/h considerably exceeds the capacity Ansmann capacity 2850мА

Second, in search of an answer to the question “what a good battery to buy?” consider its size – some models have non-standard sizes, which may not be suitable to every device.

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Third, consider the intensity of use of batteries. If you often use camera may need to be recharged once a week or even more often. In this case, you should use batteries with a capacity of not less than 2700мА/h If the camera is rarely used and the sources of their food, they spend weeks “standby”, use the model with the current Samothrace low level.

Choose the battery for the screwdriver

The Batteries for the screwdriver presents the same types as for the above devices. They are characterized by large power reserve. So what battery is best for a screwdriver? Below we describe the features of the basic types of these devices, and what battery to take – you decide.

Nickel-cadmium batteries contain many toxic materials and the strongest allergens, but have a much larger volume as compared to the other. Allowed up to 1000 recharges.

A Nickel-metal hydride battery. They are harmless and environmentally friendly, but compared to Nickel-cadmium have a capacity of half that maximum number of recharges 500.

Lithium battery. More powerful than previous versions and has no memory effect, but do not tolerate low temperatures.

As for the nameplate capacity, here the recommendations are the same as for batteries for the camera. So decide how good the battery is and what is not.

What to consider when choosing a battery for the drill?

The memory Effect. Present in Nickel batteries. The essence of the effect of the loss of capacity when charging a completely discharged battery. That is, to ensure the normal operation of the battery, before recharging, you must fully discharge that brings some inconvenience.

Capacity. The bigger it is, the longer it will operate without battery recharging. Modern models allow you to continuously work for hours.

The charging Time. Important: the battery should be charged no more time spent on discharge.

That's all. I hope that the question of how good the battery is and what is not, for you no longer.