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RB50 12V 50Ah LiFePO4 Battery PRICE: $656.95 This 12V 50Ah lithium ion phosphate battery is perfect in many applications, including marine and electronic vehicles. It maintains consistent power and is equipped with an M8 terminal type and a built-in battery management system (BMS). The RB50 battery meets UL, UN, CE and IEC certifications. All RELiON LiFePO4 batteries have installation flexibility, fast-charging capabilities and are maintenance free. Where maintaining water is never done because there is no water in these batteries, and the life expectancy is 10 to 12 years. They can be run clear down tell they stop. and recharge, or can be recharged any time you finish using them, there is no memory to worry about like lead acid batteries.
PRODUCT SPECIFICATIONS Voltage: 12.8V Amp Hours: 50Ah DIMENSIONS & WEIGHT Length: 7.8 in (197 mm) Width: 6.5 in (166 mm) Height: 6.8 in (173 mm) Weight: 14.8 lbs (6.7 kg) APPLICATIONS AWP nFloor Machines Marine Recreational Vehicles Solar
DATA SHEET
CHEMICAL SPECIFICATIONS | |
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Nominal Voltage | 12.8 V |
Nominal Capacity | 50 Ah |
Capacity @ 25A | 120 min |
Energy | 640 Wh |
Resistance | ≤50 mΩ @ 50% SOC |
Efficiency | 99% |
Self Discharge | <3% per Month |
Maximum Modules in Series | 4 |
MECHANICAL SPECIFICATIONS | |
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Dimensions (L x W x H) | 7.8 x 6.5 x 6.8” 197 x 166 x 173 mm |
Weight | 13.7 lbs (6.2 kg) |
Terminal Type | M8 x 1.25 |
Terminal Torque | 80 - 100 in-lbs (9 - 11 N-m) |
Case Material | ABS |
Enclosure Protection | IP66 |
Cell Type - Chemistry | Cylindrical - LiFePO4 |
DISCHARGE SPECIFICATIONS | |
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Maximum Continuous Discharge Current | 50 A |
Peak Discharge Current | 100 A (7.5 s ±2.5 s) |
BMS Discharge Current Cut-Off | 170 A ±20 A (10 ±5 ms) |
Recommended Low Voltage Disconnect | 11 V |
BMS Discharge Voltage Cut-Off | 8 V (2.0 ±0.08 vpc) (140 ±60 ms) |
Reconnect Voltage | 9.2 V (2.3 ±0.1 vpc) |
Short Circuit Protection | 200-600 µs |
CHARGE SPECIFICATIONS | |
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Recommended Charge Current | 2.5 A - 25 A |
Maximum Charge Current | 50 A |
Charge Current 32º to 14ºF (0 to -10 ºC) | ≤0.1 C |
Charge Current -4º to 14ºF (-20 to -10 ºC) | ≤0.05 C |
Recommended Charge Voltage | 14.2 V - 14.6 V |
BMS Charge Voltage Cut-Off | 15.6 V (3.9 ±0.025 vpc) |
(1.1 ±0.4 s) | |
Reconnect Voltage | 15.2 V (3.8 ±0.05 vpc) |
Balancing Voltage | 14.4 V (3.6 ±0.025 vpc) |
TEMPERATURE SPECIFICATIONS | |
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Discharge Temperature | -4 to 140 ºF (-20 to 60 ºC) |
Charge Temperature* | -4 to 113 ºF (-20 to 45 ºC) |
Storage Temperature | 23 to 95 ºF (-5 to 35 ºC) |
BMS High Temperature Cut-Off | 176 ºF (80 ºC) |
Reconnect Temperature | 122 ºF (50 ºC) |
*Refer to charge currents below 0°C (32°F) |
COMPLIANCE SPECIFICATIONS | |
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Certifications | CE (battery) |
UN38.3 (battery) | |
UL1642 & IEC62133 (cells) | |
Shipping Classification | UN 3480, CLASS 9 |
PERFORMANCE CHARACTERISTICS





