Long-lasting Power

Unmatched Performance

Exceptional Reliability

Pro-Guide Lithium

PGLM35 ( 12V)

10 Reviews

Pro-Guide Lithium PGLM35 With A Cycle Life Rated Up To 3000 Cycles, The Pro-Guide Lithium PGLM35 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

PGLM46 ( 12V)

10 Reviews

Pro-Guide Lithium PGLM46 With A Cycle Life Rated Up To 3000 Cycles, The Pro-Guide Lithium PGLM46 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

PGL48VM60 ( 48V)

10 Reviews

The Pro-Guide 48VM60 deep-cycle lithium battery is designed specifically for 48V LSEV and other Industrial Deep Cycle applications. It provides 60 amp-hours (2880 watt-hours) of consistent energy, IP67 waterproof and dust-resistant protection, Blueto…

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Pro-Guide

PGL 50AH 12V Kit

10 Reviews

Compact 12V Bundle – Precision Power for a Single Screen Setup Includes: QTY 1 – PGL M50 12V 50Ah Lithium Battery QTY 1 – PGC-110 1-Bank Charger (1x12/10A for Lead Acid/AGM/LiFePO4) This compact 12V power package is purpose-bu…

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Pro-Guide Lithium

PGLU1X ( 12V)

10 Reviews

The Pro-Guide Lithium U1X is a high-performance starting battery designed for Lawn & Garden equipment and other small engine applications, delivering 390 Cold Cranking Amps for reliable starts in any season. It features convenient Quad Terminals,…

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Pro-Guide Lithium

A Group 24 -100ah lithium ( 12V)

10 Reviews

Pro-Guide Lithium // 24M100-ST STARTING BATTERY Exceeds All Mercury Lithium Starting Battery Requirements ProBoost 1000 PbEq CCA / 100AH: Powering (2-3) 12” Graphs & live scope all day on the water Brass Dual-Terminals Introducing the...

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Pro-Guide Lithium

PGL24M100 ( 12V)

10 Reviews

Pro-Guide Lithium Group 24M100 With A Cycle Life Rated Up To 3000 Cycles, The Pro-Guide Lithium 24M100 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

PGL36VM75 ( 36V)

10 Reviews

The Pro-Guide PGL36VM75 deep-cycle lithium battery is designed specifically for trolling motors and heavy-duty marine applications. It provides 75 amp-hours (2880 watt-hours) of consistent energy, IP67 waterproof and dust-resistant protection, Blueto…

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Long-Lasting
Power

10 Year Warranty on
Lithium Batteries
Unmatched Performance

Long-Lasting Power
Pro-Guide Lithium

PGL24VM115 ( 24V)

10 Reviews

The Pro-Guide PGL24VM115 lithium battery provides 115 amp-hours (2944 watt-hours) of reliable 24V power. Built for marine and off-grid environments, it features an IP67-rated case, robust 150-amp BMS, Bluetooth connectivity, and adaptive battery...

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Pro-Guide Lithium

PGL31M235-DP ( 12V)

10 Reviews

The Pro-Guide PGL31M235-DP dual-purpose lithium battery provides outstanding performance, featuring a 235 amp-hour capacity (3008 watt-hours), a robust 200-amp BMS, and IP67-rated durability. Enhanced with Bluetooth connectivity for real-time monitor…

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Pro-Guide Lithium

PGL36VM60 ( 36V)

10 Reviews

The Pro-Guide PGL36VM60 is engineered specifically for electric trolling motors and deep-cycle marine use. Featuring a 60 amp-hour capacity (2304 watt-hours), robust 100-amp BMS, IP67 waterproof rating, and Bluetooth connectivity, this battery ensure…

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Pro-Guide Lithium

PGL24VM90 ( 24V)

10 Reviews

The PGL24VM90 from Pro-Guide Batteries delivers deep-cycle reliability with 90 amp-hours at 24 volts, totaling 2304 watt-hours. This rugged battery features IP67 water and dust resistance, Bluetooth connectivity for monitoring, and a 100-amp BMS...

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Pro-Guide Lithium

PGL31M180-DP ( 12V)

10 Reviews

The Pro-Guide PGL31M180-DP is a dual-purpose lithium battery delivering reliable power with 180 amp-hours (2304 watt-hours). Built with an IP67 waterproof case, robust 200-amp BMS, Bluetooth connectivity, and the innovative Pro-Boost mode reserving 2…

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Pro-Guide Lithium

PGL48VM32 ( 48V)

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 ( 12V)

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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Unmatched Performance

10 Year Warranty on
Lithium Batteries
Long-Lasting Power

Unmatched Performance
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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Pro-Guide Deep Cycle Marine/RV

PGM 31M225 ( 12V)

10 Reviews

Fishing for some isn’t just a hobby, it’s an addiction. The Pro-Guide deep cycle batteries are truly for the prosumers out there! The 31M225 is our highest rated deep cycle battery 225 Minutes of Reserve Capacity @ 25amps. The Pro-Guide D…

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Show 1 to 20 of 32 total

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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