Long-lasting Power

Unmatched Performance

Exceptional Reliability

Pro-Guide Lithium

48V 210Ah Lithium Golf Bundle ( 48VV)

10 Reviews

Pro-Guide Lithium // G48V210 What Is Included In This Bundle? 48V 210AH Mini LiFePO4 Battery 48V 22AMP Lithium Battery Charger Power Harness with Dash Mounted State of Charge (SOC) Gauge & ON/OFF Button 30-60V to 12V DC to DC Voltage Converter 1…

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Pro-Guide Lithium

48V 150Ah Lithium Golf Bundle ( 48VV)

10 Reviews

Pro-Guide Lithium // G48V150 What Is Included In This Bundle? 48V 150AH Mini LiFePO4 Battery 48V 15AMP Lithium Battery Charger Power Harness with Dash Mounted State of Charge (SOC) Gauge & ON/OFF Button 30-60V to 12V DC to DC Voltage Converter 1…

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Pro-Guide Lithium

48V 105Ah Mini Lithium Golf Bundle ( 48VV)

10 Reviews

Pro-Guide Lithium // G48V105M What Is Included In This Bundle? 48V 105AH Mini LiFePO4 Battery 48V 15AMP Lithium Battery Charger Power Harness with Dash Mounted State of Charge (SOC) Gauge & ON/OFF Button 30-60V to 12V DC to DC Voltage Converter …

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Pro-Guide Lithium

PGL48VM32 ( 48VV)

10 Reviews

Pro-Guide Lithium // 48VM32 With A Cycle Life Rated Up To 3000 Cycles @ 80% DOD, The Pro-Guide Lithium 48VM32 Battery Is Your New Favorite Choice For Powering Your Boating & RV Adventures, Solar Storage, And More When you need power that’l…

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Pro-Guide Lithium

PGL16VM50 ( 16V)

10 Reviews

Pro-Guide Lithium 16VM50 With A Cycle Life Rated Up To 3000 Cycles, The Pro-Guide Lithium 16VM50 Battery Is Your New Favorite Choice For Powering Your Marine Electronics When you need power that’ll last, the 16VM50 is there to support you. Get…

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Pro-Guide Lithium

PGL8D300 ( 12VV)

10 Reviews

Pro-Guide Lithium // 8D300 With A Cycle Life Rated Up To 3000 Cycles @ 80% DOD, The Pro-Guide Lithium 8D300 Battery Is Your New Favorite Choice For Powering Your Boating & RV Adventures, Solar Storage, And More When you need power that’ll.…

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Pro-Guide Lithium

36V 105Ah Lithium Golf Bundle ( 36VV)

10 Reviews

Pro-Guide Lithium // G36V105 What Is Included In This Bundle? 36V 105AH LiFePO4 Battery 36V 15AMP Lithium Battery Charger Power Harness with Dash Mounted State of Charge (SOC) Gauge & ON/OFF Button 30-60V to 12V DC to DC Voltage Converter 110V..…

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Pro-Guide Lithium

48V 105Ah Lithium Golf Bundle ( 48VV)

10 Reviews

Pro-Guide Lithium // G48V105 What Is Included In This Bundle? 48V 105AH LiFePO4 Battery 48V 15AMP Lithium Battery Charger Power Harness with Dash Mounted State of Charge (SOC) Gauge & ON/OFF Button 30-60V to 12V DC to DC Voltage Converter 110V..…

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Long-Lasting
Power

10 Year Warranty on
Lithium Batteries
Unmatched Performance

Long-Lasting Power
Pro-Guide Lithium

PGL100AH 36V System

10 Reviews

If you're looking to upgrade your trolling batteries to 100AH lithium batteries, this is the set up for you! Package Includes: QTY 1 - PGC-410 4-Bank Lead Acid/LiFePO4 Charger QTY 3 - PGL 24M100 Lithium Batteries

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Pro-Guide Lithium

PGL 100AH 24V System

10 Reviews

If you're looking to upgrade your trolling batteries to 100AH lithium batteries, this is the set up for you! Package Includes: QTY 1 - PGC-310 3-Bank Lead Acid/LiFePO4 Charger QTY 2 - PGL 24M100 Lithium Batteries

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Pro-Guide Lithium

PGLM10 ( 12V)

10 Reviews

Pro-Guide Lithium PGLM10 With A Cycle Life Rated Up To 3000 Cycles, The Pro-Guide Lithium PGLM10 Battery Is Your New Favorite Choice For Powering Your Fish Finder or Portable Power Station When you need power that’ll last, the PGLM10 is there …

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Pro-Guide Lithium

PGLM24 ( 12V)

10 Reviews

Pro-Guide Lithium PGLM24 With A Cycle Life Rated Up To 3000 Cycles, The Pro-Guide Lithium PGLM24 Battery Is Your New Favorite Choice For Powering Your Boating & RV Adventures, Solar Storage, And More When you need power that’ll last, the..…

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Pro-Guide Lithium

PGLM50 ( 12V)

10 Reviews

Pro-Guide Lithium PGLM50 With A Cycle Life Rated Up To 3000 Cycles, The Pro-Guide Lithium PGLM50 Battery Is Your New Favorite Choice For Powering Your Boating & RV Adventures, Solar Storage, And More When you need power that’ll last, the..…

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ProGuide Battery vs Other Batteries

	ProGuide	Others
Lightweight and Long-Lasting	✓	✖
Trusted by Professionals	✓	✖
36+ month Free Replacement	✓	✖
10 Year Warranty	✓	✖
45 Years of Expertise	✓	✖
Long term Reliability	✓	✖

FAQ Resource Hub

Which battery type is best for my application (golf cart, marine, RV, solar, mobility, industrial)?

The best battery depends on use: Lithium (LiFePO₄) offers longest cycle life (2,000–5,000 cycles), lightweight design, and high usable capacity, making it ideal for golf carts, RVs, marine, and solar. AGM/SLA are cost-effective, maintenance-free options for backup or starter needs, though cycle life is shorter. Flooded lead-acid works well for industrial or solar setups where maintenance is manageable. Always match voltage, dimensions, and charging compatibility to your system.

How long will my battery last?

Battery life means runtime (hours per charge) and lifespan (years/cycles). Runtime = (Voltage × Ah) ÷ Load. Example: a 48V 100Ah battery (4,800Wh) running a 1,000W motor lasts ~4.8 hours at 100% DoD. LiFePO₄ delivers 2,000–5,000 cycles; AGM/SLA typically 300–1,000. Calendar life averages 8–12 years for lithium and 3–7 for lead-acid.

How do I choose the right battery size?

Match voltage to system requirements (12V, 24V, 48V). Calculate daily energy use: load (W) × hours. Convert to Ah: Wh ÷ Voltage. Factor usable capacity: ~90% for lithium, ~50% for lead-acid. Add 10–20% margin for inefficiency.

Can I replace SLA/AGM with lithium?

Yes, but confirm compatibility. Voltage should match, and chargers must support LiFePO₄ profiles. Lithium needs a built-in BMS for protection. Ensure dimensions and terminals fit. Upgrading often gives double usable capacity, faster charging, and 3–5× cycle life.

What charger should I use and how long does charging take?

Use a LiFePO₄ charger for lithium; smart 3-stage chargers for AGM/SLA. Charge time ≈ Battery Ah ÷ Charger Amps. Example: 100Ah ÷ 20A ≈ 5 hours. Lead-acid typically takes longer due to absorption phase.

How do I maintain my battery

For lithium: keep within safe charge/discharge limits, avoid extreme heat, and store ~50% charged if unused. For AGM/SLA: avoid deep discharges, recharge promptly, and check flooded cells for water. Clean terminals and use proper chargers.

What’s the difference between deep-cycle and starter batteries?

Starter batteries deliver short, high current bursts (e.g., cranking engines) but tolerate few cycles. Deep-cycle batteries provide steady power over long periods and withstand frequent discharges, making them ideal for RVs, boats, solar, and golf carts.

How do I size a battery bank for solar, boat, or RV?

Calculate daily energy needs (Wh). Multiply by desired days of autonomy. Divide by usable DoD (50% lead-acid, 90% lithium). Convert to Ah using chosen voltage (Wh ÷ V). Add 10–20% margin for inverter losses.

Are SLA/AGM batteries safe?

Yes, when used properly. SLA/AGM are sealed and spill-proof, but avoid overcharging or heat. Flooded types need ventilation and water refilling. Always recycle old batteries responsibly. LiFePO₄ is even safer due to stable chemistry.

How do I test a battery and spot failure signs?

Check resting voltage (12V SLA should read ~12.6–12.8V). Perform a load test to see if voltage drops sharply. Flooded types can be checked with a hydrometer. Signs of failure include swelling, leaks, overheating, or inability to hold charge.

How long does charging take?

Formula: Charge hours ≈ Battery Ah ÷ Charger A. Example: 100Ah ÷ 20A = 5 hours. Lead-acid may take longer due to inefficiencies; lithium is faster and more efficient. Always use the recommended charger profile.

What specs matter most when comparing batteries?

Key specs: Voltage, Ah, chemistry, cycle life, DoD, charge/discharge rates, warranty, dimensions, weight, BMS features, and certifications. For quick decisions, compare energy (Wh = V × Ah) and cycle life at specific DoD.

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