The 48V 135Ah Golf Cart Battery is a 51.2-volt LiFePO4 pack of 6,912 watt-hours with a 200-amp continuous rating, rated IP67. It is specified for hill courses and six-seat carts.
Hills
What a climbing course takes
A course cut into a hillside asks a cart for sustained current rather than short bursts. A long climb at low speed holds the motor near its limit for a minute at a time, and a lead bank sags through it, losing speed toward the top. This pack holds its terminal voltage through the pull, and the cart reaches the crest at the speed it started.
Capacity For The Terrain
6,912 watt-hours
Consumption on a hilly course runs half again what a flat one takes. 6,912 watt-hours cover a full round on that terrain with the reserve a fleet manager needs before letting a cart out for a second group. On flat ground the same pack covers two rounds.
Heat
Sustained current in summer
Repeated climbs in warm weather heat any battery. The cells here sit in a case built for airflow around them, and the management board reads cell temperature and eases the current before anything reaches its limit. Lead in the same duty gasses and loses water.
Regenerative Braking
Coming back down
Carts with regenerative braking put charge back into the pack on the descent. Lithium accepts that return current where a full lead bank cannot, and on a course with long downhill runs the recovered energy is a real fraction of what the climb took.
Data
Datasheet
| Model | GC51-135 |
|---|---|
| Nominal voltage | 51.2V |
| Capacity | 135Ah |
| Energy | 6912Wh |
| Charge voltage | 58.4V |
| Continuous discharge | 200A |
| Peak discharge | 400A (5s) |
| Cycle life | ≥4,000 cycles @80% DOD |
| Weight | ≈51 kg |
| Dimensions | ≈520 × 370 × 310 mm |
| Operating temperature | Discharge -20~60°C / Charge 0~45°C |
| Protection rating | IP67 |
| Certification | UN38.3 / CE / FCC |
Fit
Charging
Charge at 58.4 volts from a 48-volt lithium cart charger of 20 amps or more for an overnight turnaround.
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