HONGGE 30A DC to DC Battery Charger with Smart Multi-Stage Charging
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$116.99at JCPenneyChecked 13 h ago
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The HONGGE 30A DC to DC charger charges a 12V auxiliary battery from a vehicle's alternator while you drive. It handles lead-acid, AGM, GEL, flooded and lithium (LiFePO4) batteries and picks the charging curve automatically: a 2-stage profile for lithium, a 3-stage bulk/absorb/float profile for lead-acid. Isolated input and output plus over/under-voltage, high-temperature and reverse-polarity protection make it a set-and-forget unit for RV, truck and boat house batteries. At 30A it sits in the mid-to-upper range of DC-to-DC chargers, above the common 20A units and below 40-50A models, so it suits a moderate auxiliary bank rather than a large one.
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Lowest price we've seen: $116.99 on Oct 31 at JCPenney. Tracked across 1 store since Oct 31.
This 12V 30A DC to DC battery charger charges an RV, truck, or boat's standby battery from the vehicle's alternator while driving. It delivers up to 375W to fully charge the standby battery without overcharging.
It works with lead-acid, lithium, AGM, GEL, and flooded batteries across an 8V-16V input range. It selects the charging profile automatically: a 2-stage curve for LiFePO4 and a 3-stage bulk, absorb, and float curve for lead-acid.
The input and output are isolated, which keeps the vehicle's electrical system free of interference. Protection covers over-voltage, under-voltage, high temperature, and reverse polarity.
