Mp3 players, handheld gaming systems and other portable entertainment devices.Today, these will very often include low-drain portable or handheld electronic goods or tools, such as: AAA batteries are smaller and slimmer than AA versions, with around a third of the storage capacity.ĭue to the increasing efficiency of many device types, AAA batteries are often found in more compact pieces of equipment that would typically have been expected to run off double-A cells in years gone by. Items that demand a higher power draw than this will usually be built around a larger cell type, for improved practicality and less frequent need for battery replacement or recharging.īattery holders for AAA cells, commonly referred to as ‘triple-A’ are another very common configuration. Relatively few cell-powered tools or other pieces of electrical equipment will be designed to require more than 8 AA batteries for achieving sufficient power supply. AA single battery holders are also common. AA size (‘double-A’), is what most people would typically think of as a ‘standard’ battery, and remains extremely common in all kinds of portable electrical items and equipment.ĪA battery pack holders can be manufactured to house any number of cells in theory, but in daily use it’s usually anywhere between 1-10 batteries, with 2-8 being by far the most popular options. Of even greater concern is the fact that more powerful batteries can sometimes force weaker ones to work harder than they’re intended to, causing them to drain to very low voltage levels and possibly leading to potential leaking or rupture.Īs such, it’s always wise to ensure you know which cell types you’re likely to be using in advance of making a purchase, as well as the correct sizing you’ll require.Īn AA size battery holder is one of the more common types of battery storage compartments you’ll see on sale from suppliers. However, it’s seldom advisable to combine mixed battery chemistries in a single electronic device.ĭoing so can often impede device performance, as the item drawing power will only ever perform to the capabilities of the weakest battery in the holder. Most, but not all, will be interchangeable in a wide range of devices, holders and mounts. The above range of cell types is often available across a broad range of popular battery sizes and shapes, including both AA and AAA versions. Rechargeable batteries (including li-ion).While the vast majority of holders and mounts will be able to accommodate most battery chemistry types, each will have its own unique set of pros and cons in terms of performance, power drain, longevity, cost and environmental impact.Ĭommon battery types sold by many suppliers might include: Most will be made to work with a particular sort of cell - or sometimes with a range of multiple battery sizes - and to be affixed to the electrical item in question in a specific way.īear in mind that, in addition to sorting through the wide variety of battery holder sizes and capacities on the market, you’ll also need to be mindful of the many options available in terms of actual battery chemistry. Many different battery holder sizes and mounting types are available from manufacturers and suppliers all over the world. Uses a genuine JST connector so it wont 'catch and tear' in JST connectors.Holders and mounts for different battery sizes The polarity matches that of our 2-pin JST cable and Li-Ion/Poly batteries. When using alkalines, the output will range from 4.6V with new batteries to 3.3V at the end of life with a nominal voltage of about 4.5V ![]() When using rechargeable NiMH the output voltage will range from about 3.7V with charged batteries to 2.7V at the end of life with a nominal voltage of 3.6V. (Of course, you can't recharge them like Li-Ion/Polys, so don't try to plug this into one of our Li-Ion/Poly charger boards!)įits any standard AAA battery. That makes them ideal for use with 3.3V projects that have a 2-pin JST connector meant for one of our Li-Ion/Poly batteries. We spec'd these out because the box is slim, and 3 AAA's add up to about 3.3-4.5V, a very similar range to Lithium Ion/polymer (Li-Ion) batteries and have an on-off switch. This battery holder connects 3 AAA batteries together in series for powering all kinds of projects.
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