The Columbia Eagle P4 electric golf cart typically uses a 48V lead-acid or lithium-ion battery system, with lithium variants like LiFePO4 offering longer lifespan (2,000+ cycles) and faster charging. These packs deliver 10–14 kWh energy capacity, supporting 30–50 miles per charge. Standard configurations include 4x12V lead-acid batteries in series, though upgraded lithium models use modular 48V packs with integrated BMS for thermal and voltage stability.
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What type of battery does the Columbia Eagle P4 use?
The Eagle P4 commonly employs a 48V lead-acid or lithium-ion battery, with capacities ranging from 100Ah to 150Ah. Lead-acid offers affordability, while lithium provides 3x cycle life and 50% weight reduction. Key brands include Trojan (lead-acid) and Redway’s LiFePO4 packs.
Lead-acid batteries for the Eagle P4 operate at a nominal 48V, with six 8V cells wired in series. Lithium alternatives use 16 LiFePO4 cells (3.2V each) to achieve 51.2V nominal. Pro Tip: Avoid discharging lead-acid below 50% capacity—it reduces lifespan by 60%. For example, a 150Ah lithium pack provides ~7.5 kWh, enabling 45 miles on hilly terrain versus 28 miles with lead-acid.
| Parameter | Lead-Acid | LiFePO4 |
|---|---|---|
| Cycle Life | 500 cycles | 2,000 cycles |
| Weight | 260 lbs | 110 lbs |
How does lithium improve performance over lead-acid?
Lithium-ion batteries offer higher energy density (150 Wh/kg vs 35 Wh/kg) and faster charging (2–4 hours vs 8–10 hours). They maintain stable voltage output even below 20% charge, unlike lead-acid’s 30% voltage drop.
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While lead-acid costs $800–$1,200, lithium packs run $2,500–$3,500 but outlast 3–4 lead-acid replacements. Beyond upfront costs, lithium’s 95% efficiency (vs 75% for lead-acid) reduces energy waste. Consider this: A lithium-powered Eagle P4 climbs 15% grades at 14 mph, while lead-acid models slow to 9 mph due to voltage sag. Pro Tip: Always use a lithium-specific charger—lead-acid chargers overstress cells, causing premature failure.
What’s the lifespan of an Eagle P4 battery?
Lead-acid batteries last 1–3 years, while lithium-ion packs endure 8–10 years under daily use. Lifespan hinges on discharge depth—lead-acid degrades rapidly below 50% DoD.
Lithium’s 80% DoD tolerance enables 2,000 cycles at 25°C, but extreme heat (35°C+) halves longevity. For context, a lead-acid battery cycled daily in Arizona lasts 14 months, whereas lithium lasts 6 years. Practically speaking, owners should recharge lithium at 30% remaining and avoid storage below 10°C. Did you know? Partial charging (30–80%) extends lithium life by 200% versus full 0–100% cycles.
| Factor | Lead-Acid Impact | Lithium Impact |
|---|---|---|
| Deep Discharge | Severe capacity loss | Minimal degradation |
| Temperature | -10% lifespan/10°C >25°C | -5% lifespan/10°C >35°C |
Redway Battery Expert Insight
FAQs
Yes—upgrading from 100Ah to 150Ah lithium increases range 50% without hardware changes. Ensure the BMS supports the new capacity.
Does the Eagle P4 BMS balance lithium cells?
Only premium lithium packs include active balancing. Budget models passively balance, risking 15% capacity loss after 500 cycles.
How often should I water lead-acid batteries?
Check monthly—top up with distilled water if plates are exposed. Avoid overfilling, which causes acid spills during charging.
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