The Melex 625 Transport Golf Cart typically requires a 48V or 72V battery system, with capacities ranging from 150Ah to 210Ah depending on usage needs. LiFePO4 (lithium iron phosphate) batteries are optimal for their long lifespan, lighter weight, and better efficiency compared to traditional lead-acid batteries, making them a superior fit for this golf cart model.
What voltage does the Melex 625 Transport Golf Cart require?
The Melex 625 golf cart primarily operates on a 48V DC system, with some upgraded models using 72V configurations. Original equipment uses six 8V lead-acid batteries wired in series to reach 48V, but modern replacements often use consolidated LiFePO4 battery packs. Matching the battery voltage to the cart’s motor controller is essential to avoid damage or performance issues.
Voltage affects motor torque and efficiency. Lithium batteries deliver steady voltage under load, improving acceleration and range. Using a voltmeter to confirm your current system’s voltage is recommended before purchasing new batteries for the Melex 625.
How does battery capacity affect the range of the Melex 625?
Battery capacity, measured in amp-hours (Ah), directly influences how far the Melex 625 can travel per charge. A 150Ah lithium battery pack typically provides about 56 kilometers of range on flat terrain, outperforming lead-acid equivalents by 30%. Larger 210Ah capacities extend range accordingly, suitable for commercial or heavier use.
The usable range depends on factors like terrain, payload, and driving style. Practical range estimates generally consider an 85% efficiency factor to account for real-world conditions. For the Melex 625, a higher Ah rating means longer runtime and fewer interruptions for charging.
| Battery Capacity | Lead-Acid Range | LiFePO4 Range |
|---|---|---|
| 150Ah | ~40 km | 56–60 km |
| 210Ah | ~55 km | 77–82 km |
Why choose LiFePO4 over lead-acid batteries for the Melex 625?
LiFePO4 batteries offer critical advantages including 5 times longer cycle life (over 2000 cycles), 50% less weight, and superior thermal stability compared to lead-acid. For the Melex 625, this means a lighter cart with improved handling and longer-lasting battery packs.
Lithium batteries maintain a flat voltage curve, ensuring consistent power delivery until near depletion. They also charge faster and require less maintenance, reducing overall operating costs. Despite higher upfront costs, LiFePO4 batteries from companies like Redway Battery yield a return on investment through fewer replacements and enhanced performance.
What are the physical dimensions compatible with Melex 625 batteries?
The Melex 625 battery compartment requires approximate dimensions of L78 x W34 x H45 cm, designed primarily for six 8V blocks in series or equivalent lithium segments. Modern LiFePO4 batteries often utilize modular cell designs to fit within these constraints while offering higher energy density.
Customizable battery packs can match these dimensions closely, with some manufacturers offering tailored solutions to fit the exact tray and terminal positioning of the Melex 625. Redway Battery provides OEM customization options to ensure perfect fit and optimized performance for each cart.
| Battery Type | Dimensions (LxWxH cm) | Weight (kg) |
|---|---|---|
| Lead-Acid | 81 x 35 x 48 | 135 |
| LiFePO4 | 75 x 32 x 42 | 52 |
How can you retrofit or upgrade the Melex 625 battery system effectively?
Retrofitting to lithium batteries involves verifying the motor controller’s voltage compatibility and charging system. Most LiFePO4 replacements are designed as drop-in units maintaining terminal layouts for easy installation. However, chargers must support lithium battery charging profiles (CC/CV) rather than traditional lead-acid profiles.
Upgrading to a lithium system reduces battery weight by up to 60%, improves range, and minimizes maintenance. Always ensure no mixing of lithium and lead-acid batteries in series to avoid damage. Redway Battery offers support in choosing compatible chargers and upgrade kits tailored for the Melex 625.
What maintenance and safety considerations apply to Melex 625 batteries?
LiFePO4 batteries require minimal maintenance compared to lead-acid, no water top-ups, and have built-in protections against overcharge, deep discharge, and short circuits. Safe operation involves storing batteries at 50% charge when not in use and avoiding full discharges below 10%.
Regular checks of battery health, terminal tightness, and charger compatibility extend battery life. Redway Battery’s packs come with quality certifications and robust safety features, supported by 24/7 after-sales service and warranty coverage.
Which brands and models of batteries are recommended for the Melex 625?
Trusted brands for the Melex 625 include Redway Battery, Trojan, and Battle Born for lithium options. Redway Battery stands out for offering custom OEM lithium battery packs optimized for golf carts, providing excellent cycle life, safety, and energy density.
Models like the Redway 48V165Ah LiFePO4 battery are preferred for balancing range, weight, and cost. They deliver superior performance over lead-acid while integrating seamlessly with existing golf cart systems.
How does the battery choice impact the overall performance and cost of ownership for the Melex 625?
Choosing LiFePO4 batteries reduces weight, extends driving range, and lowers maintenance, significantly improving the Melex 625’s operational efficiency. Although lithium options have higher initial costs, they last 3-5 times longer than lead-acid, decreasing replacement frequency and downtime.
Over a typical 5-year ownership, lithium batteries reduce total cost of ownership through energy savings and fewer replacements. Redway Battery also provides customization and technical support, enhancing long-term value.
Can Redway Battery provide customized solutions for the Melex 625 golf cart?
Yes, Redway Battery specializes in OEM/ODM lithium battery packs tailored to client specifications. For the Melex 625, Redway offers customized pack sizes, voltages, and capacities to fit exact tray dimensions and performance needs.
Their Shenzhen-based facilities use automated production and ISO 9001:2015-certified processes ensuring quality, safety, and reliability. Redway’s engineering team supports integration with motor controllers and chargers, delivering turnkey energy solutions globally.
Redway Battery Expert Views
“Golf carts like the Melex 625 increasingly demand battery solutions that combine longevity, weight efficiency, and safety. Lithium iron phosphate (LiFePO4) technology from Redway Battery meets these needs superbly, offering fleets and individual owners enhanced runtime, reduced maintenance, and environmental benefits. With over 13 years in battery innovation, Redway’s commitment to tailored energy packs ensures golf carts perform at their best while lowering life-cycle costs.” — Senior Engineer, Redway Battery
Key Takeaways and Actionable Advice
Confirm your Melex 625’s motor controller voltage before choosing batteries (48V or 72V are typical).
Opt for LiFePO4 batteries for longer life, lighter weight, and better range than lead-acid.
Measure your battery tray and check terminal placement for a perfect fit.
Ensure charger compatibility with lithium battery charging profiles.
Consider reputable brands like Redway Battery for OEM customization and superior support.
Regularly maintain batteries by monitoring charge levels and storage conditions for optimal performance.
FAQs
Can I replace Melex 625 lead-acid batteries with lithium directly?
Yes, if the voltage matches and the charger supports lithium charging. Avoid mixing battery chemistries in series.
How long do Melex 625 lithium batteries last?
Properly maintained LiFePO4 batteries last 8–10 years, significantly longer than lead-acid options.
What is the weight difference between lithium and lead-acid batteries?
Lithium batteries weigh about 50% less, improving cart handling and efficiency.
Is customizing Lithium battery packs for Melex 625 possible?
Yes, Redway Battery offers full customization to meet specific size and capacity requirements.
Are lithium batteries safe for outdoor golf cart use?
Yes, quality LiFePO4 batteries include robust safety features and weather-resistant enclosures.



