IOTA DLS-45/IQ4 12 VOLT 45 AMP 3 STAGE AUTOMATIC SMART BATTERY CHARGER / POWER SUPPLY

I work in a large cold storage facility that requires occasional repairs to be made in the freezers that have no 120 volt AC available. We used to use cordless drills etc. but the battery life in sub zero temperatures is extremely short. We were wasting too much time waiting for the batteries to recharge and warm up. What we finally ended up doing was to make a portable deep cycle battery cart with an inverter mounted in an Igloo cooler. Deep cycle battery packs require a specific recharge cycle that is TOTALLY different from automotive starting batteries. This charger provides the initial bulk (current constant) charge for the initial 80% charge followed by the absorption phase (voltage constant) followed by the float stage (reduced constant voltage). A automotive type charger will not provide the proper charging cycle and will eventually ruin your deep cycle batteries due to sulfation and plate warpage and deterioration. The IQ4 option is a microprocessor based "smart" controller that allows you to hook up your battery pack and forget it. We have used this charger extensively for about 9 months without any issues or complaints. You MUST do your research and buy the appropiate sized charger for your AH rating as deep cycle batteries must be bulk charged at a rate not to exceed 25% of the 20 hour (C/20) AH capacity rating. Our battery pack is assembled from four 6 volt ,215 AH batteries wired (series/parallel) to provide 12 volts @ 430 AH. To extend the life of your battery packs, it is recomended to keep the bulk charging rate to about 10% of the AH (C/20) rating. In our case that would be 43 amps so the 45 is ideal for us. The charger is basic, well built and the cooling fan is variable speed (as required by heat dissapation) and quiet if that is important. One last benefit is that this is also a regulated, filtered nominal 12 volt (13.5 V) power supply that will power devices up to its rated output without a battery connected. I actually found out about this charger/power supply on a ham radio site. Great bang for the buck.

I am very happy with my power supply battery charger. It has more than met my expectations and at a price that was affordable.

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