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Epoch Batteries · 48V lithium conversion kit
Epoch Batteries 48V 230Ah Big Box complete kit
100
Scores 100/100 on our 100-point method (energy, current, warranty, what's in the box).
$3,699List price, Oct 25, 2026 Check price on official site →
Our take
The Epoch Batteries 48V 230Ah Big Box complete kit is a fit for owners of the E-Z-GO TXT / Freedom TXT, E-Z-GO Express S4 / L6 and long days, six-seaters and lifted carts.
What stands out in the published specs:
- Warranty of 11 years*, against 10 years for the typical 48V kit we list.
- 300A continuous current, at or above the 175–200A golf cart owners recommend for a stock cart.
- Charger and 12V converter in the box: nothing else to buy for most carts.
- Metal case.
It costs 106% more than the median 48V kit on brand sites ($1,799). Read “Before you buy” below.
Worked out from Epoch Batteries' published specs and our fit data, checked October 25, 2026. We don't bench-test batteries.
Specs
- Voltage
- 48V (51V nominal)
- 11.8 kWh
- 300 A
- Warranty
- 11 years*
- Size
- 23.5 × 14.4 × 9.9 in
- Weight
- 196 lb
- Case
- Metal
- Cold charging
- Protected below 32°F
- Phone app
- Yes (Bluetooth)
In the box
- Lithium charger
- Included
- Included
- Charge meter
- Included
Source: Epoch Batteries product page, checked October 25, 2026.
Before you buy
- Warranty "11 years*": read the conditions on the brand's page.
Alternatives
Fitment
Which 48V golf carts the Epoch Batteries 48V 230Ah Big Box complete kit fits
1 confirmed by Epoch Batteries, 1 by size, 19 ruled out. Every verdict links its source; how we decide.
- Club Car DS 1995–2013 (48V)Does not fit At 23.5" × 14.4" × 9.9", it is at least as big as the 51V 160Ah heated pack (22" × 12.1" × 10.6"), which its brand says does not fit this cart. Source
- Club Car Precedent 2004–mid 2008Does not fit At 23.5" × 14.4" × 9.9", it is at least as big as the 51V 160Ah heated pack (22" × 12.1" × 10.6"), which its brand says does not fit this cart. Source
- Club Car Precedent mid 2008–2013Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Club Car Precedent 2014 and newerDoes not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Club Car Tempo 2018 and newer (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Club Car Onward 2017 and newer (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- E-Z-GO TXT / Freedom TXT 2010 and newer (48V)Fits — brand lists this cart Epoch offers an E-Z-GO TXT configuration for this kit. Source
- E-Z-GO RXV 2008+ · four 12V batteries (plastic tray)Does not fit At 23.5" × 14.4" × 9.9", it is at least as big as the 51V 105Ah "skinny" pack (22" × 9.8" × 10.4"), which its brand says does not fit this cart. Source
- E-Z-GO RXV 2008+ · six 8V batteries (metal tray)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- E-Z-GO Express S4 / L6 lead-acid modelsFits by size — add a hold-down At 23.5" × 14.4" × 9.9", it fits inside the battery space (23.5" × 21", 10.9" high; a 21 × 23.5 in lithium tray sold for the TXT and the Express; height of the stock batteries). Plan a hold-down bracket. Source
- Yamaha G19 / G22 1996–2007 (48V)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Yamaha Drive (G29) 2007–2010Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Yamaha Drive (G29) 2011–2016Does not fit At 23.5" × 14.4" × 9.9", it is larger than the battery space (32" × 14", 12" high; owner measurement of a 2015 Drive tray, about 14 × 32 in with 12 in to the seat). Source
- Yamaha Drive2 2017 and newer (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it is larger than the battery space (32" × 14", 12" high; same bay as the 2011–2016 Drive (same kits cover both); owner measurement about 14 × 32 in, 12 in to the seat). Source
- ICON i20 / i40 / i60 / i80 (incl. L models) 2017 and newer (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Club Car Carryall 100 / 300 · Villager 4 2014 and newer (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Club Car Carryall 500 / 550 / 700 · Transporter · Villager 6 / 8 2014 and newer (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (Fleet Lithium 168Ah Villager / Transporter pack, 22" × 12" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Club Car Carryall (1, 2, Turf, 2xx series) about 1996–2013 (48V)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (Fleet Lithium 105Ah pack for the Carryall legacy electric 1996–2000, 14.3" × 12.24" × 10.94"). Without modifying the tray, we don't count it as a fit. Source
- Star EV Sirius / Capella 2017 and newer (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (Fleet Lithium 168Ah Star EV Sirius pack, 22" × 12" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Advanced EV EV1 (2, 2+2, 4, 6) 2017–2023 (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (51V 160Ah heated pack, 22" × 12.1" × 10.6"). Without modifying the tray, we don't count it as a fit. Source
- Yamaha UMAX AC (One, Two, Rally, Bistro) 2018 and newer (lead-acid)Does not fit At 23.5" × 14.4" × 9.9", it doesn't fit within any pack documented to fit this cart: it is wider than the largest one (Fleet Lithium 168Ah Yamaha UMAX pack, 22" × 12" × 10.6"). Without modifying the tray, we don't count it as a fit. Source