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High Performance Dremel Cordless Tools Battery Replacement

Order Dremel power tool batteries at low prices on Over time the tool battery in your Dremel cordless drill may become inefficient and need to be replaced. Replacing a worn out cordless drill battery will restore the performance and extend the lifespan of your power tool, helping ensure it's up to any DIY challenge or home repair. All our Dremel cordless drill batteries are supported by our price match promise and with next day UK delivery available on all in stock items you won't be kept waiting for your cordless drill battery to arrive.
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The Models of Dremel Cordless Drills/Cordless Power Tools

If you need a power tool battery for your model that is not listed above, please email us via Our customer service professional may be able to find the product or information that you are looking for or help you refine your search. Many Thanks.

How to select the correct battery pack

First of all, you must get to know your device: What is device's input voltage( V)? What is its power consumption( Wattage )? What is Maximum current drain( A)? What is your expected running time by a battery pack?

Decide battery pack voltage you will choose: Battery pack voltage must be equal or a little higher than your device's need; If you need a exact voltage, which battery pack can not provide, you may consider to use a DC-DC regulator

Decide Battery pack's Capacity ( mAh or Ah)

Battery capacity is depended on how long you need to run your device ( hours ), which can be calculated as the follow:
( Ah) = Device's Wattage (W) x Time to run ( Hours) / Battery Voltage (V)
For example, if using a 12V battery pack, and run 10W DC device for 10 hours, you need choose a battery pack with capacity > 8.3Ah, e.g (10x10)/12 = 8.3
1000 mAh = Ah, higher mAh will provide longer running time.

Decide Battery pack's Max. discharging current: 1. Before order battery pack, you must pay attention on battery pack's Max. discharging rating on the specification or description. Please don't think any battery can take any current drain. 2. You shall know your device's max. discharging current. If you don't know , you must measure it by a multi-meter. 3. The battery pack's Max. discharging rate of the chosen Battery must be higher than that device requires.

Choose Li-Ion, NiMH or Lead acid battery? What type of rechargeable battery will work for you. Question is size and weight.

Li-Ion batteries has the highest energy density ( mAh/weight), and become more and more popular. However, Li-Ion may explode and cause a fire if it dose not use properly.

Choose a Battery Charger: Please always follow our suggestion to choose a smart charger. So called smart charger must has automatic cut-off function when battery is full; Never use NiMH/Li-ion battery charger for Li-ion/Nimh battery pack, it will cause battery exploded; Always charging your battery with attention, and put battery in a fire-proof container box to avoid accident.

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