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Solar Batteries Medium 4-6 hours installation 7

DC-DC Charger Needed for E450 AGM to Lithium Upgrade?

Yes, you should install a DC-DC charger when upgrading from AGM to lithium batteries on your E450 chassis, even with a 200 amp alternator. The alternator's charging profile is designed for lead-acid batteries and won't properly charge lithium batteries.

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