Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Relion RB100-LT is a 12.8V 100Ah lithium iron phosphate deep-cycle battery in a Group 31 case. It delivers roughly 100Ah of usable capacity, far more than a comparable lead-acid battery, and weighs much less. It suits RV, marine, off-grid and solar setups that need deep, repeated discharge. Against flooded and AGM batteries it lasts more cycles and holds voltage better under load, but it needs a lithium-compatible charger and costs more up front.
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Lowest price we've seen: $949.95 on Nov 9 at Campingworld. Tracked across 3 stores since Nov 9.
Owners of Relion lithium batteries generally report steady voltage under load and long service in RV and marine use. Complaints center on charger compatibility and cold-weather charging limits.
The Relion RB100-LT is a 12.8V, 100Ah lithium iron phosphate (LiFePO4) deep cycle battery. It is Group 31 size.
The case is made of ABS. The battery has M8 threaded stud terminals on top.
