High Power
48V 20Ah Power Pack (basic)
In developmentRVB-STN-JN-48200-X
A power pack for mobile robots with high energy density, high power, and fast-charge needs. Compact form factor, but must be paired with an external BMS.
- Nominal voltage
- 51.8 V
- Nominal capacity
- 20 Ah
- Nominal energy
- 1,036 Wh
- Continuous discharge
- 90 Aconnector-limited
- BMS / comms
- None
Typical applications
- Humanoids & quadrupeds
- Drones & UAV
- Mobile manipulators
- High-power mobile robots
Specifications
Full specifications
Nominal values at 25°C unless noted.
Electrical Parameters
| Cell Chemistry | NMC (Li-ion) |
| Nominal Voltage | 51.8V |
| Nominal Capacity | 20Ah @ 0.5C |
| Nominal Energy | 1,036Wh |
| Charge Cut-off Voltage | 58.8V |
| Discharge Cut-off Voltage | 42V |
| Cycle Life | ≥800 cycles to 80% capacity0.5C chg / 1C dischg |
Dimensions & Weight
| Length | 210mm |
| Width | 168mm |
| Height | 95mm |
| Weight | 6.5kg |
Operating Conditions
| Max Continuous Discharge Current | 90A (4.5C) connector-limited200A (10C) pack-limited |
| Max Peak Discharge Current | 120A (6C) connector-limited300A (15C) pack-limited |
| Max Continuous Charge Current | 40A (2C) @ 23±5°C |
| Standard Charge Method | 0.5C CC to 58.8V, then CV until ≤0.02C |
| Discharging Temperature | -20°C to 55°C |
| Charging Temperature | 0°C to 40°C |
| Storage Temperature (long-term) | 20-25°C (1 year)recharge every 3 months to 30-50% SOC |
Protections & Connections
| BMS / Communication Interface | None |
| SOC Display | None |
| Overcharge Protection | None |
| Over-discharge Protection | None |
| Overcurrent Protection | None |
| Terminals | AS150U power connector |
| Connectors | Molex 43025 - 16 Pin signal |