Unlike traditional NiMH batteries, Precharged batteries can be stored for an extended period of time without substantial loss of power, and are ready to use out-of-package. As the name suggests, the Powerex Precharged batteries will be ready immediately
A common problem with rechargeable batteries is that they need to be recharged about once every three months, even if they are not used. Maha tackled this issue by developing advanced electrode materials to reduce the rate of power loss during storage. As a result, the Precharged batteries retain up to 85% of its charge even after one year of storage (at a room temperature of 20 deg C).
Modern Ni-MH batteries consist of two metal stripes (anode and cathode), which are separated by a non-conductive porous plastic foil (separator). These three stripes are laid on top of each other and are wound into a coil. This coil is placed in a metal jacket and immersed with a liquid (electrolyte). Then the metal jacket is sealed with a cap to form the battery cell.
The self discharge of Ni-MH batteries is caused by three main reasons:
* the chemical decomposition of the cathode
* the natural disaggregation of the anode
* Impurities of the anode
The chemical decomposition of the cathode has been reduced substantially by the use of an advanced NEW Technology that has been refined by MAHA.
As an additional benefit this technology increases the electrical capacity of the battery and reduces the internal resistance, which allows higher discharge currents than older NiMH batteries.
Another advantage of the reduced decomposition of this alloy is the fact that less strategic metal is needed to stabilize the alloy.
The anode has been strengthened by another new material, which reduces the natural disaggregation.
Additionally, the separator and the electrolyte used have been optimized for low self discharge in Imedion batteries.
The Precharged batteries are available in 2600mAh capacity for AA. 2600mAh is only slightly lower than the standard 2700mAh Powerex AA batteries, so for all but the most demanding users, Precharged batteries are the better, more versatile chioce. For devices that do not drain the batteries in less than a months, the Precharged AA batteries will provide a longer lasting solution.
Due to the low discharge characteristics of Precharged batteries, they enable rechargeablle NiMH batteries to be used in low powered devices such as remote controls for the TV, DVD player, Stereo, Computer mouse, wireless keyboard, and XBOX controllers, without the need for regular recharging.
Precharged AA batteries are compatible with all Powerex battery chargers. They will also work in other smart chargers. They are not recommended for timer chargers.
The price is per pack of 4 batteries. Each pack of 4 x AA Precharged batteries includes a Maha Powerex 4 Cell Battery Case.
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12 months Australian replacement warranty
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We will continue to process orders each day. Our Warehouse is fully operational and our courier services continue to deliver each day as usual. We will continue to offer click-to-collect from our Mitcham showroom, but the showroom is now closed during the lockdown period.