RELiON Battery RB20-X
The RELiON Battery RB20-X is a battery pack with a nominal voltage of 12.8 V, 256 Wh of energy, LiFePO4 cells, a continuous discharge of 50 A, 3,500 cycles, a weight of 2.75 kg and an ingress rating of IP66.
Last updated: 20 October 2026
Battery and charging
- Energy
- 256 Wh
- Voltage
- 12.8 V
- Chemistry
- LiFePO4
- Rated charge cycles
- 3,500 cycles
- Maximum continuous discharge
- 50 A
Row from the maker’s page: “Energy” | “256 Wh”
Source: relionbattery.com/products/lithium/rb20-x
Row from the maker’s page: “Nominal Voltage” | “12.8 V”
Source: relionbattery.com/products/lithium/rb20-x
“Cell Type - Chemistry Cylindrical - LiFePO4”
Source: relionbattery.com/products/lithium/rb20-x
“they still provide 80% of the rated capacity after 3,500 cycles”
Source: relionbattery.com/products/lithium/rb20-x
“Maximum Continuous Discharge Current 50 A”
Source: relionbattery.com/products/lithium/rb20-x
Battery care and safety
- Ingress protection
- IP66
“Enclosure Protection IP66”
Source: relionbattery.com/products/lithium/rb20-x
Size and fit
- Weight
- 2.75 kg
- Overall dimensions
- 7.1 x 3.0 x 6.7” (181 x 76 x 169 mm)
- Connector on the battery
- M6
Row from the maker’s page: “Weight” | “6.1 lbs (2.75 kg)”
Source: relionbattery.com/products/lithium/rb20-x
“Dimensions (L x W x H) 7.1 x 3.0 x 6.7” (181 x 76 x 169 mm)”
Source: relionbattery.com/products/lithium/rb20-x
“Terminal Type M6 Terminal Torque 35 - 44 in-lbs (5 - 5 N-m)”
Source: relionbattery.com/products/lithium/rb20-x
Sources
- RELiON — RB20-X 12V 20Ah Lithium BatteryManufacturer battery page
RELiON Battery
Source: relionbattery.com/products/lithium/rb20-x
Retrieved September 15, 2026