RB20
12V 20Ah LiFePO4 Battery
Safe and lightweight the 12V 20Ah lithium iron phosphate battery is equipped with an M6 terminal type and a built-in battery management system (BMS). The RB20 battery meets UL, UN and CE certifications.
All RELiON LiFePO4 batteries have installation flexibility, fast-charging capabilities and are maintenance free.
PRODUCT SPECIFICATIONS
- Voltage: 12.8V
- Amp Hours: 20Ah
DIMENSIONS & WEIGHT
- Length: 7.1 in (181 mm)
- Width: 3 in (76 mm)
- Height: 6.7 in (169 mm)
- Weight: 5.6 lbs (2.55 kg)
APPLICATIONS
- Solar
DATA SHEET
DOWNLOAD PDFElectrical Specifications |
|
|---|---|
| Nominal Voltage | 12.8 V |
| Nominal Capacity | 20 Ah |
| Capacity @ 25A | 48 min |
| Energy | 256 Wh |
| Resistance | ≤60 mΩ @ 50% SOC |
| Efficiency | 99% |
| Self Discharge | <3% per Month |
| Maximum Modules in Series | 3 |
Mechanical Specifications |
|
|---|---|
| Dimensions (L x W x H) | 7.1 x 3.0 x 6.7” 181 x 76 x 169 mm |
| Weight | 5.6 lbs (2.55 kg) |
| Terminal Type | M6 |
| Terminal Torque | 35 - 44 in-lbs (4 - 5 N-m) |
| Case Material | ABS |
| Enclosure Protection | IP56 |
| Cell Type - Chemistry | Cylindrical - LiFePO4 |
Discharge Specifications |
|
|---|---|
| Maximum Continuous Discharge Current | 20 A |
| Peak Discharge Current | 40 A (7.5 s ±2.5 s) |
| BMS Discharge Current Cut-Off | 70 A ±10 A (20 ±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 | 10 V (2.5 ±0.10 vpc) |
| Short Circuit Protection | 200-500 µs |
Charge Specifications |
|
|---|---|
| Recommended Charge Current | 10 A |
| Maximum Charge Current | 20 A |
| Recommended Charge Voltage | 14.2 V - 14.6 V |
| BMS Charge Voltage Cut-Off | 15.2 V (3.8 ±0.025 vpc) |
| (1.1 ±0.4 s) | |
| Reconnect Voltage | 14.4 V (3.6 ±0.025 vpc) |
| Balancing Voltage | 14.4 V (3.6 ±0.025 vpc) |
Temperature Specifications |
|
|---|---|
| Discharge Temperature | -4 to 140 ºF (-20 to 60 ºC) |
| Charge Temperature | 32 to 113 ºF (0 to 45 ºC) |
| Storage Temperature | 23 to 95 ºF (-5 to 35 ºC) |
| BMS High Temperature Cut-Off | 158 ºF (70 ºC) |
| Reconnect Temperature | 122 ºF (50 ºC) |
Compliance Specifications |
|
|---|---|
| Certifications | CE (battery) |
| UN38.3 (battery) | |
| UL1642 & IEC62133 (cells) | |
| Shipping Classification | UN 3480, CLASS 9 |
PERFORMANCE CHARACTERISTICS
