ReliOn LiFePO4 Lithium Battery 12V 80Ah DIN

ReliOn 12V 80Ah (1024Wh) LiFePO4 lithium deep cycle battery, European DIN format, ideal for motorhomes, boats, and recreational vehicles. Replaces lead-acid batteries with more usable capacity, more life cycles, and much less weight (11.3 kg versus over 22 kg for an equivalent AGM). Internal BMS with built-in protection.

€1,128.00
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ReliOn LiFePO4 12V 80Ah DIN Lithium Battery: Reliability and Deep Cycle

The ReliOn RB80-D is a lithium battery rated at 12.8V nominal and 80Ah (1024Wh), in European DIN format, designed for demanding applications with much lower weight than an equivalent lead-acid battery. It's a common choice for motorhomes, boats, and recreational vehicles.

Use Cases: Where This 12V 80Ah Lithium Battery Performs Best

Motorhomes and Campers

A lithium motorhome battery like this one can power fridges, LED lighting, inverters, and other equipment for longer, using practically 100% of its rated capacity thanks to its tolerance for deep discharge. Its DIN format makes it easy to directly replace a lead-acid battery in the same housing.

Solar Installations

Combined with solar panels and an MPPT regulator, this solar panel battery efficiently stores the energy generated, with 99% charge/discharge efficiency.

Marine Use

Onboard, the weight savings compared to an equivalent lead-acid battery are significant (11.3 kg versus over 22 kg), which improves handling on the water and makes installation easier in tight spaces.

Lithium Battery vs. AGM/Gel: Why Choose LiFePO4

Compared to an equivalent AGM or Gel battery, this 12V 80Ah lithium battery offers several advantages: greater usable depth of discharge, far more charge and discharge cycles over its lifespan, much lower weight, and an internal BMS that protects against overcharge, over-discharge, and short circuit. In exchange for a higher upfront investment, the cost per cycle and per Wh used is typically lower over the medium term.

Installation and Compatibility

The RB80-D works with standard 12V chargers, solar charge controllers, and inverters. Its internal BMS manages cell protection, so no additional external controller is required for normal home use. It

REL-RB80-D
Nominal voltage 12.8V
Capacity 80Ah
Energy 1024Wh
Internal resistance ≤30mΩ (at 50% SOC)
Charge/discharge efficiency 99%
Recommended charge current 4-40A
Maximum charge current 80A
Recommended charge voltage 14.2-14.6V
BMS charge cut-off voltage 15.6V
Continuous discharge current 80A
Peak discharge current 160A (7.5s ±2.5s)
BMS discharge cut-off voltage 8V
BMS cut-off current 280A ±50A
Discharge temperature -20°C to 60°C
Charge temperature -20°C to 45°C
Storage temperature -5°C to 35°C
BMS high temperature cut-off 80°C
Dimensions 335 x 174 x 191 mm
Weight 11.3 kg
Terminals M8 x 1.25 x 12mm
Case ABS
Protection rating IP66
Cell type Cylindrical LiFePO4
Certifications UN38.3, CE, UL1642, IEC62133, UN 3480 Class 9