What Are Melex Golf Cars 625 Transport Batteries?

Melex Golf Cars 625 Transport Batteries are 8V deep-cycle lead-acid units designed specifically for Melex 625 electric carts. They provide 165–180Ah capacity per battery, with a 6-pack series configuration delivering 48V total. These flooded or AGM batteries prioritize high cycle life (600–800 cycles) and resistance to vibration, making them ideal for repetitive short trips and moderate hills. Regular watering and terminal cleaning are critical to avoid sulfation.

Which Golf Cart Batteries Work Best

What technical specs define Melex 625 batteries?

Melex 625 batteries operate at 8V nominal voltage, with capacities spanning 165–190Ah. Discharge rates (C20) and plate thickness (4–6mm) determine longevity. Pro Tip: Always check terminal type—SAE posts are standard, but some models use L-terminal connectors incompatible with generic cables.

These batteries use thick lead plates and reinforced casing to withstand golf cart vibrations. A typical 8V 180Ah unit weighs ~63 lbs, with dimensions around 12x7x9 inches. For example, Trojan T-875 batteries are common replacements, offering 170Ah and 1,200 cycles at 50% DoD. Transitionally, while lithium alternatives exist, their upfront cost remains 3x higher.

⚠️ Warning: Mixing old and new batteries in series causes uneven charging—replace all six simultaneously.
Spec Flooded AGM
Cycle Life 600 cycles 750 cycles
Maintenance Monthly watering Sealed

Why choose Melex 625-specific batteries?

Melex 625 Transport systems require fitment precision due to tray dimensions (32x17x12 inches) and post orientation. Generic 8V batteries may not align terminals, risking cable strain. Pro Tip: Measure tray clearance—aftermarket lithium packs sometimes exceed height limits, interfering with seat brackets.

Beyond physical compatibility, OEM-spec batteries ensure balanced voltage under load. A mismatched Ah rating (e.g., using 150Ah with factory 180Ah units) accelerates degradation. For instance, a Melex cart climbing 10° slopes draws ~220A—undersized batteries overheat, warping plates. Transitionally, AGM models simplify maintenance but cost 25% more.

Pro Tip: Apply anti-corrosion gel on terminals post-installation to prevent voltage drops.

How do these batteries perform vs lithium-ion?

Lead-acid Melex batteries offer lower upfront costs (~$150/unit) but require frequent maintenance. Lithium alternatives like Fasta Power’s RG51105L provide 2,000+ cycles and 30% weight savings but demand BMS integration. Pro Tip: Lithium swaps need voltage regulator upgrades—48V lithium packs charge to 54.6V, incompatible with lead-acid chargers.

Consider runtime: A 180Ah lead-acid pack delivers ~25 miles per charge in Melex 625, while 100Ah lithium provides 35+ miles due to deeper 80% DoD tolerance. However, lithium’s cold-weather performance below -4°F risks capacity loss. Practically speaking, fleet operators prefer lead-acid for repairability, while lithium suits private owners prioritizing lifespan.

Factor Lead-Acid Lithium
Cost per Cycle $0.18 $0.07
Charge Time 8–10 hrs 4–6 hrs

What maintenance ensures maximum lifespan?

Monthly watering (for flooded types) and equalization charging every 60 days prevent stratification. Use distilled water only—tap minerals cause sulfation. Pro Tip: After equalization, test specific gravity (1.277±0.007) to confirm cell health.

Corrosion is a top failure point. Clean terminals with baking soda/water mix quarterly. Transitionally, invest in a thermal battery blanket if operating below 50°F—it reduces charging time by 20%. For example, a poorly maintained 625 Transport battery bank might last 2 years versus 5+ with diligent care.

Pro Tip: Avoid discharging below 50%—each 10% deeper discharge halves cycle life.

Fasta Power Expert Insight

Melex 625 batteries thrive when matched to OEM specs—voltage mismatches strain motors. We recommend AGM for maintenance-free operation or our lithium RG51105L for longevity. Our BMS-integrated designs prevent over-discharge in hilly terrains, delivering 3x the lifespan of lead-acid at comparable ROI over 8 years.

RG51210A Battery

FAQs

Can I use Melex 625 batteries in other golf carts?

Only if voltage/tray specs match—E-Z-GO TXT 48V systems also use six 8V batteries, but post orientation often differs.

How often should I replace Melex 625 batteries?

Every 4–5 years for lead-acid; 8–10 years for lithium, depending on discharge depth and maintenance.

Is upgrading to lithium cost-effective?

Yes long-term: A $3,000 lithium pack avoids $2,400 in lead-acid replacements over 8 years, plus 500 hours saved on maintenance.