The Toyota Prius Auxiliary Battery Replacement Uses AMG Technology

Toyota Prius Auxiliary Battery ReplacementWe recently received another Toyota Prius auxiliary battery replacement inquiry in North Sydney from a nice chap named James. The great thing about James, is that he had carried out some online research beforehand, in relation to the exact car battery specified for a Toyota Prius. We were quite impressed actually, that he had taken the initiative to ensure the correct battery was fitted to his vehicle. The fact is, it is vitally important that only Absorbed Glass Matt (AGM) batteries are used for this particular type of vehicle.

What is the only specified battery, that must be used when replacing?

As mentioned, only AGM batteries should be used for the Prius vehicle. They are a valve regulated recombinant lead acid battery, which offer superior cyclic abilities to operate the on-board computers and auxiliaries effortlessly. The electrolyte solution is suspended within the highly porous glass fibre mat separators, which act as highly absorbent sponges, holding the internal components firmly together.

The advantages of being a sealed, spill-proof valve regulated battery, is that it makes them ideal for fitments in tightly enclosed and hard-to-get locations where regular inspection is difficult, such as the Prius. They have low self-discharge and low internal resistance, allowing them to be re-charged efficiently with lower voltages.

Another important feature which must not be over-looked, the L-Shaped plug and drain tube must be correctly installed, to allow the accumulated fluid and gasses to be expelled away from the interior of the vehicle.

Caution; Installing A Toyota Prius Auxiliary Battery Is Not A Simple Process

The fitment of a Prius battery is not a straight forward procedure. There are specific steps required for the removal of internal parts to access the battery and avoid losing the vehicle’s driveability codes and settings. This is where the skills of an experienced battery technician is required, to ensure they are fitted correctly and safely.

It is essential that the auxiliary batteries voltage be checked every time your vehicle is serviced. If the voltage falls below 12.5 volts, it is recommended it be topped-up using an Australian approved charger for sealed AGM, VRLA batteries. The charging voltage must not exceed 4.2A, and in the event the battery does not fully-charge in approximately 10 hours, turn-off the charger and discard the battery. Not doing so, will cause the battery to overheat, with a high probability it could explode.

Key note:

AGM technology and a professional technician, must always be used when replacing your Toyota Prius auxiliary battery.


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