Quote:
Originally Posted by danjor
LiFePo4 Advantages about 1/2 weight of SLA Battery constant voltage threw out discharge cycle, makes better finder readings Unlike SLA amp draw doesn't affect use able ah
Faster charge times If taken care of more than 20k charge/discharge cycles = a ton of fishing trips...
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There you go.
The constant voltage throughout discharge cycle is a huge advantage. A SLAs voltage drops as it discharges, which means your finder has less and less voltage or power to run on the longer you run it on a SLA. First few hours they are fine but over time the performance starts to degrade.
LiFepo4 and NIMH batteries have constant discharge which means the voltage stays the same until they run out of power. Effectively this gives you about a third more functional hours for your fishifinder on the same amount of amp hours.
The reasons you list are the exact same reasons I went with a NIMH back in 2008. LiFePo4 sounds great but until I kill my current NIMH battery there is not much point in changing to anything else.
You got it right. Those are the advantages to the better batteries, and it is worth the extra cash if you take care of the batteries and keep them going for the long term.