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12 volt batteries

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Drill batteries

Drill batteries are typically rechargeable battery packs that click into the main drill. These battery packs are a benefit for users because:

• They are highly portable and lightweight, making it easier to use.
• They offer high power levels to tackle the toughest of jobs.
• They provide long battery life, which will allow most DIY jobs to be completed without the need and hassle of recharging the battery.
• The packs can be swapped in and out of the drill meaning a second battery can be clicked into place if required.

Battery packs are a set of identical batteries or battery cells joined together to create the desired voltage and capacity. Similar technology can be found in:

• Laptop batteries.
• Digital camera batteries.
• Camcorder batteries.
• Cordless phone batteries.
• Mobile phone batteries.

Battery packs can also be found in all types of power tools, not just drills. Equipment like sanders, angle grinders, jigsaws and much more all make use of battery packs or “powerpacks” as they are commonly known.

Rechargable drill batteries

Drill batteries previously made use of NiCd batteries but are increasingly switching to higher capacity NiMh batteries.

NiMh battery chargers are widely available and they allow the pack to be recharged from the mains supply.

While efficient, these battery packs do suffer from a lifespan of around 100 to 1000 charges and one to three years. After that you’ll notice a decline in battery power and a reduction in how long the rechargeable battery will hold a charge.

It can be difficult to judge how long your battery will last for, as it depends on the task the drill used for and what settings you are running the drill at.

To get the most from a drill battery, you should:

• Avoid overcharging batteries and only pop them in the charger when they are running low.
• Store the batteries in a cool, dry place out of direct sunlight when not in use.
• Fully discharge and recharge the battery monthly.
• Be careful when placing batteries in the charger. If they are loaded incorrectly it can lead to damage.

Follow these guidelines and you should notice a positive difference on the lifespan of your drill batteries.