RB50 Lithium Ion Battery

12V 50Ah Lithium-Ion Battery for Solar / Switchgear / Telecommunications / UPS
Alternative Energy
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Reliable lithium-ion batteries are the green energy source of the future, and when you're making the move to lithium, you want a battery provider with the expertise and stock to meet your needs.

RELiON’s concierge services and superior quality products are unrivaled in the global lithium-ion battery market. If you’re wondering where to buy lithium-ion batteries, turn to the provider with a track record of customer satisfaction.

If your application requires a power source with superior performance and a long battery life span, it’s time to choose a RELiON lithium-ion battery. 

  • Battery Performance: 30% more energy-dense than a lead acid battery. 99% efficiency per unit. Effective in high and low temperatures.
  • Battery Cell Safety: automatic, temperature-based cutoff. Built-in safety fuse and high-pressure safety vent. LiFePO4 chemistry with flame retardant in explosion-proof, stainless steel case.
  • Battery Life Span: 3000-5000 cycles @ 100% DOD per unit. High capacity over many cycles (ex: 80.1% after 2000 cycles).
  • RELiON's lithium-ion batteries are also environmentally conscious, developed without hazardous lead acid chemicals.


Terminal Type: M8
Transport Class: UN 3480
Volts: 12V
Battery Capacity: 50Ah
Capacity Rate: 20 hr rate to 1.75 volts/cell @ 77°F (25°C)
Length: 19.7 CM
Width: 16.6 CM
Height: 17.3 CM
Weight: 6.7 KG


  • Case Material : ABS
  • Enclosure Protection : IP56
  • Cell Type : Cylindrical


  • Marine
  • Solar
  • UPS
  • Switchgear
  • Mobility


  • RELiON’s batteries are UN38.3 certified
  • RELiON’s cells are UL1642 certified and have been tested perIEC62133 standards