Battery Safety Tips

Best Battery Power Banks.

But which best battery power bank is best for you? Evaluating your next portable battery charger isn’t that hard. We looked at charging times, charging speed, charging capacity (mAh), weight, durability, water-resistance, multi-functionality (is the battery charger also a flashlight, for instance), and of course price to bring you our comprehensive list of the best external battery chargers for your usage.

First let see the best battery handling tips before you think of the next move to get the right battery power bank you will need for your gadgets.

Battery Power Bank Handling Tips

Batteries banks provide a portable – and usually safe- source of electricity power for numerous applications.

There are some hazards associated with batteries, however. The chemical reaction required to generate electricity involves toxic and explosive substances, harmful to human and the environment. Therefore special care is needed when handling batteries.



Dismantle-Never dismantle a battery bank, as the materials inside the battery are be toxic and may damage skin and clothes.

Old and new batteries usage – Avoid using old and new batteries banks at the same time. Also avoid mixing batteries using differing cell chemistries such as ordinary dry-cell batteries, Ni-Cd, NiMH batteries or with a different manufacturer’s batteries. Differences in various characteristic values, etc., can cause harm to the batteries or the product in use.

Short-circuiting-Never try to short-circuit a battery bank. Doing so can damage the product and generate heat that can cause burns.

Use of batteries bank for other purposes-do not use a battery in an appliance or purpose for which it was not intended. Differences in specifications can damage the battery or appliance.

Do not dispose batteries banks into a fire or water-disposing of a battery in fire can cause the battery to rupture. Also avoid placing batteries in water, as this may cause the battery to fail.

Soldering-Never solder anything directly to a battery bank. This can destroy the safety features of the battery by damaging the safety vent inside the cap. Permanent connections to an energy cell may be made by spot welding solder tags to the terminals. A soldered connection can subsequently be made to the tag.

Inserting the batteries banks with their polarities reversed-Never insert a battery with the positive and negative poles reversed as this can cause permanent damage to the battery which may swell or rupture.

Overcharging at high currents and reverse charging-Never reverse charge or overcharge with high currents (i.e. higher than rated). Doing so causes quick gas generation and amplified gas pressure, thus causing batteries to swell or rupture.Once battery is fully charged it should be disconnected from the charger

Installation in equipment (with an airtight battery compartment) – Its Batteries produce hydrogen gas, also known as H2. This gas is explosive It’s recommended to design a non-airtight battery compartments.

In some cases, gases (oxygen, hydrogen) may be given off, and there is a danger of the batteries bursting or rupturing in the presence of a source of ignition (sparks generated by a motor switch, etc.).

Charging battery banks –Never charge with an unspecified charger or specified charger that has been modified. Many workplace have rooms where large batteries that power mobile equipments are charged and changed.

Handling these batteries banks requires no special training to prevent explosion and other kinds of exposure. Mishandling  can cause breakdown of the battery or swelling and rupturing.

Never attempt to charge a battery bank which has been physically damaged.



Short-circuiting of battery packs-Special caution is required to prevent short-circuiting any battery since the consequences can be very dangerous. Care must be taken during the design of the battery pack shape to ensure batteries cannot be inserted in reverse. Also, caution must be given to prevent accidental short-circuiting of the battery.

Storage-Store the batteries in a cool place, dry and well-ventilated area  when in use don’t allow them to remain in environments which may be subject to overheating. (E.g. direct sunlight in a locked car)

ESD (Electrostatic Discharge) Bags-Do not put batteries into plastic bags designed to protect components from electrostatic discharge. These bags are made from conductive material which could cause the battery to be short circuited.

Battery seal. Do not remove any seals from dry-charged batteries until they are ready to commission the battery by filling it with acid. (The seal reserves the charge in the battery. If it is damaged, air will enter and cause the battery to lose charge).

Other Precautions-Batteries power banks should always be charged prior to use. Be sure to charge in the approved manner.

Best Battery Power-bank Features

Portable chargers are available in several different shapes, features, and colors. But, the one you choose must be able to fulfill your charging requirements.
There are a few important features to consider when in the market for a portable charger:

  • Power/capacity – capacity/power is measured in Milliampere-hours (mAh), and the greater that number, the more devices you will be able to charge or the longer it will charge a single device
  • Indicator lights – although most portable chargers have them, some bare bones models don’t, which is why it’s worth mentioning – indicator lights eradicate the guesswork of how much juice the portable charger is able to provide before it runs out
  • Form factor – choose a design that suits how you will be carrying it along. If you’re going to be carrying it in your pocket at all times, choose a slimmer battery pack
  • Durability – battery packs are generally available in two finishes – plastic and brushed aluminum. The former is a good choice if you’re going to be keeping it somewhere safe, such as your work desk, and the latter makes sense if you’re going to be taking it on extreme adventures
  • Connections – be sure to check and confirm that they are compatible with the portable charger, or else you will not be able to use the device. Most, if not all, portable chargers are fitted with a standard USB output, so you may need to buy a special cable for your cell phone if it doesn’t match, such as a USB-to-lightning cable for iPhones

 

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