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What Battery Fits A Cushman Golf Cart?
Cushman golf carts typically use 36V, 48V, or 72V battery systems, with 48V being the most common for modern models. Lithium iron phosphate (LiFePO4) batteries are ideal replacements due to their higher energy density, 5-year lifespan, and compatibility with golf cart charging systems. Key specifications include IP65 waterproofing, BMS protection, and capacities ranging 80–193Ah. Always match the voltage and physical dimensions of the original lead-acid setup.
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How do I determine the correct voltage for my Cushman cart?
Check original battery configuration: Count lead-acid cells—six 8V batteries = 48V. Lithium replacements use single-pack voltage matching (e.g., 51.2V LiFePO4 for 48V systems). Models like Cushman Hauler PRO often require 48V 80–100Ah packs for optimal torque.
Voltage mismatches can damage controllers—never install 72V batteries in 48V systems without upgrading electronics. Pro Tip: Use a multimeter to verify existing system voltage at the terminals. For example, a fully charged 48V lead-acid setup reads ~50.9V; lithium equivalents stabilize at 51.2V nominal. Transitional phrase: Beyond voltage compatibility, battery dimensions matter—measure your cart’s tray (standard 48V LiFePO4 units average 520x240x220mm).
| Voltage | Lead-Acid Configuration | LiFePO4 Equivalent |
|---|---|---|
| 36V | 6x6V batteries | 36V 100Ah |
| 48V | 6x8V batteries | 51.2V 80/100Ah |
What capacity (Ah) do I need?
Higher Ah extends range: An 80Ah LiFePO4 provides ~25km per charge; 193Ah doubles this. Match capacity to usage—resort carts needing 8hr shifts benefit from 150Ah+ packs. Always prioritize cycle life (≥6000 cycles at 80% DoD).
Pro Tip: Calculate energy needs—48V x 100Ah = 5.12kWh. At 20Wh/km, this supports 256km theoretical range (practical ≈200km). Transitional phrase: Practicality dictates balancing capacity with weight—LiFePO4 cuts lead-acid mass by 60%, improving efficiency. A real-world example: A 48V 100Ah JRE-PK-48100GC battery reduces charge time to 4hrs versus 8hrs for lead-acid equivalents.
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Are LiFePO4 batteries compatible with Cushman chargers?
Most Cushman chargers work with LiFePO4 if voltage parameters align. The 48V LiFePO4 charge cutoff is 58.4V vs 57.6V for lead-acid. Verify your charger’s CV phase adjusts to 3.65V/cell. Older chargers may require a LiFePO4-specific profile.
Transitional phrase: However, dedicated lithium chargers optimize performance—they prevent overcharge via precision BMS communication. For example, Redway’s GC series chargers deliver 20A CC-CV charging with auto-shutoff at 90% SoC for longevity. Pro Tip: Test charge cycles with a Bluetooth BMS app to monitor cell balancing.
| Charger Type | Lead-Acid | LiFePO4 |
|---|---|---|
| Voltage Range | 57–60V | 51.2–58.4V |
| Charging Time | 8–10hrs | 3–5hrs |
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What physical modifications are required?
LiFePO4 packs are 30% smaller—use adapter trays or foam spacers for secure fitment. Terminal positions may differ; cables might need lengthening. Ensure lugs match M8 bolts (common in Cushman carts).
Pro Tip: Waterproof battery compartments aren’t mandatory with IP65-rated packs. However, seal cable entries to prevent debris ingress. How critical is thermal management? Built-in BMS handles -20°C to 60°C—no external cooling needed for golf carts.
Redway Battery Expert Insight
FAQs
Only with motor/controller replacements—48V systems increase RPM by 33%. Retrofit costs often exceed new lithium savings.
Do LiFePO4 batteries work in cold climates?
Yes—with built-in heating below -10°C. Standard packs operate at 70% capacity at 0°C.
How long do these batteries last?
5–8 years with 80% capacity retention after 6000 cycles (5x lead-acid lifespan).
