Description
Switch a 48V EZGO RXV from its lead-acid set to one EPOCH Batteries 51.2V 65Ah LiFePO4 battery. It is EPOCH’s complete Big Box Series kit with the EZGO RXV charge port and mounting set, so the charger, gauge and 12V converter come in the same box.
Key numbers: 3.33 kWh of stored energy, 200A continuous discharge, a battery weight of 66 lbs and an IP67 waterproof case.
Stretched carts: EPOCH offers a 13 ft harness if the 6 ft switch harness doesn’t reach the dash.
What’s included
- One 48V 65Ah LiFePO4 battery, replaces the whole lead-acid set
- 48V 10A lithium charger (charges through the cart's charge port)
- 10 ft heavy-duty extension cord for charging from a standard outlet
- Digital Bluetooth battery gauge (state of charge, voltage, current, temperature)
- Remote on/off switch for the dash with 6 ft harness
- 48V to 12V step-down converter, 25 A, fused, with key-on wire
- Charge port plug for the EZGO RXV
- Mounting brackets for the EZGO RXV
- Free Epoch Li-Ion app (iOS and Android)
Specifications
| Brand | EPOCH Batteries |
|---|---|
| EPOCH model | BB5165A-Kit-2 |
| Fits | EZGO RXV, 48V |
| Nominal voltage | 51.2V |
| Capacity | 65Ah |
| Energy | 3.33 kWh |
| Continuous discharge | 200A |
| Peak discharge | 300A (up to 15 Seconds), 700A (up to 2 Seconds) |
| Max charge current | 100A Continuous, 300A (up to 15 Seconds, regenerative braking) |
| Max charge voltage | 58.4V |
| Operating voltage range | 40 – 58.4V |
| Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Cell configuration | 16S1P |
| Battery weight | 66 lbs |
| Battery size (L x W x H) | 17.20" x 14.33" x 7.48" |
| Ingress rating | IP67 |
| Charging temperature | 0°C (32°F) / 55°C (131°F) |
| Discharge temperature | -10°C (14°F) / 55°C (131°F) |
| Bluetooth | Yes (Epoch Li-Ion app) |
| Internal heating | No |
| Cycle life | 3,500+ cycles (EPOCH figure) |
| Series / parallel | Parallel only, max 2 (130Ah); series not supported |
| 12V converter | Included (25A step-down) |
| Warranty | 11-year limited (EPOCH Batteries) |
Warranty: 11-year limited warranty from EPOCH Batteries. Ask us for the full warranty terms before you buy.
Check your fitment: confirm your cart’s make, model, year and voltage before ordering. See the Fitment Guide or send us your cart details and we’ll confirm the right kit.
About EPOCH Batteries
EPOCH Batteries is a veteran-owned company that designs and engineers its LiFePO4 batteries in the USA. It focuses on marine, RV and golf cart power, with an advanced BMS, Bluetooth monitoring and heated models, and U.S.-based support.
- Veteran-owned, designed and engineered in the USA.
- Bluetooth monitoring and heated options on many models.
- Golf cart kits plus marine and RV batteries from one brand.
See everything we carry from EPOCH Batteries.
Good to know
- Charge only with the lithium charger supplied with the kit or one the maker approves; a lead-acid charger can damage a lithium battery.
- Club Car with an On-Board Computer (OBC)? An OBC bypass may be needed so the lithium charger can charge the battery.
- This battery has no internal heater: let a cold battery warm above freezing (32F) before charging.
Shipping or local delivery: this battery can be shipped to you or delivered locally. See Shipping & Local Delivery for details.















Reviews
There are no reviews yet.