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Product Description
Return Policies
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Specifications:
Up to 1000 times
Rechargeable Times:
Output: DC 1.2V 240MAH
9V DC35mA
AA 120mA*1 AA120mA*2
AAA120mA*1 AAA120mA*2
Input: AC 100-240V 50/60Hz
Detail:
- High performance, especially if high discharge currents are required (like in Digital cameras) cheap in use, because they can be recharged many times
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- This Ni-MH Battery Charger can also handle most battery sizes. This rechargeable battery charger is a great way to power and recharge. Ultra small and ready to use
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How to Make a AA Battery Charger:
- Rechargeable AA batteries are an increasingly common product and are useful for someone who uses a lot of batteries in such devices as portable audio players, cameras, flashlights and battery-powered toys. Here's a design for a battery charger that can be made out of simple materials and only costs a few dollars in parts. You can use it to charge your AA batteries or nearly any other type or rechargeable battery as well
Instructions:
- Cut three lengths of wire. Cut two pieces that are six inches long, and one single piece that is 10 inches long. Once you've cut the wire to length, strip the insulation from the ends of the wire so that each end of each wire has about one to one and a half inches of bare wire exposed
- Take the wire lead from the silicon diode (See "Resources" below) and wrap it around one of the screw connections on the bottom of the light bulb base. Tighten the screw connection with a screwdriver. Take one of the 6-inch wires and wrap one of the bare ends around the second wire lead of the diode. Wrap electrical tape around the joint
- Twist together the bare end of the other 6-inch wire to one of the leads of the electric plug. Cover the joint with electrical tape. Wrap the other end of the 6-inch wire to the second screw connector on the bottom of the light bulb base and tighten with a screwdriver
- Twist together an end of the 10-inch wire and the other lead of the plug. Wrap the joint with electrical tape to cover the bare wires
- Put the light bulb base onto the piece of wood and fasten down with wood screws. Screw a 60-watt bulb into the light bulb base
- To charge your AA battery, tape the two bare wires of the charger onto the battery's ends -- one to the negative, and one to the positive. This should be the wire connected to the light bulb, not the electrical plug. Plug the charger's electrical plug into a wall socket. The charger works slowly, so allow it to operate for two to four hours and then check the charge of your battery by putting it in your device and testing it
How Does a Battery Charger Work?
- Recharging 101 - Batteries work because of the electrochemistry between an anode/negative terminal and a cathode/positive terminal. Some battery chemistries have the property of being chargeable, so that when electrical current is fed into them, the electrochemical discharge reaction reverses itself and the battery "recharges." Only some batteries have the chemistry and construction features that all them to be charged. Also, due to varying battery designs and chemistry, a given battery can only handle a certain voltage or amount of current. For example, the current fed into a lead-acid car battery would be very different from that of a lithium ion mobile phone battery
- Simple Chargers - The most common type of charging device is the simple charger. Drawing electric current from a wall outlet, this provides either a constant voltage or constant current and will continue to feed it into the battery until unplugged. Usually a transformer of some kind is involved to convert the voltage. For example, North American wall outlets work on the 110-volt standard, which is inappropriate if directly applied to a 12-volt battery. Most charging devices work on this model. They are cheap, but because they never stop feeding in electricity at a set rate and do not stop until unplugged from their power source, they can damage batteries with overcharging if left unattended
- Trickle Charging - Trickle charging is a variant of the simple charger in that it puts out a constant flow of electricity but at a very low rate. That rate is set to match the particular battery's decay or self-discharge rate. When the battery is completely recharged, the charging therefore continues only at the rate necessary to keep the battery charged and no more. This prevents overcharging and, therefore, degradation or damage to the battery, but makes the charging process very slow.
- USB Charging - The USB bus on a computer is standardized with a 5-volt power output. Therefore, many computer accessories are designed to use USB outlets for battery charging. Excepting that it uses electricity drawn from a computer instead of directly from a wall outlet, it is similar to other charging methods.
- Intelligent Charging - These chargers monitor either the time spent recharging, the temperature of the battery or the battery's voltage to determine when to autonomously terminate charging. This protects batteries from damage or degradation due to overcharging. Intelligent charging is becoming a popular charging feature for devices that use lithium ion batteries, as these are relatively expensive and suffer more degradation from overcharging than some other battery types
Package Contents:
- 1 x Ni-MH/Ni-CAD AA/AAA/9V Rechargeable Battery Charger
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Customers' Reviews
Overall:
( 1 Review)
Price:
Quality:
Ease Of Use:
Usefulness:
Features:
The first five reviews by:
Pragalathan Sivakumar
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I have bought this product
Praga
from (Perth, Australia)
Bought this item on
07-30-2012- Pros: Light weight charger. Extremely compact.
- Cons: Can charge only two batteries simlutaniously Not enought instructions for the charger.
- Other Thoughts: I would recommend this for who ever looking for cheap compact travel charger.
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