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12V Batteries

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In stock
Trojan Pacer P-1275 145Ah 12V Deep-Cycle Battery Budget-Friendly Golf Cart & Industrial Power

Trojan Pacer P-1275 145Ah 12V Deep-Cycle Battery Budget-Friendly Golf Cart & Industrial Power

  • AMP Hours145 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Miami, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive 31XCS ST 130Ah 12V Maintenance-Reduced Battery for Industrial and Healthcare Cleaning Equipment

Trojan Motive 31XCS ST 130Ah 12V Maintenance-Reduced Battery for Industrial and Healthcare Cleaning Equipment

  • AMP Hours130 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Orlando, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive 24-AES DT 76Ah 12V Floor Machine & Material Handling Battery

Trojan Motive 24-AES DT 76Ah 12V Floor Machine & Material Handling Battery

  • AMP Hours76 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Orlando, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive 27TMH 115Ah 12V Deep-Cycle Battery for Solar & Marine

Trojan Motive 27TMH 115Ah 12V Deep-Cycle Battery for Solar & Marine

  • AMP Hours115 Ah
  • ChemistryLead Acid, Flooded

Delivery on Mar 11–16

In stock
MK Battery DEKA 8G27-HFL-DEKA 12V Gel Deep Cycle Lead-Acid Storage Battery

MK Battery DEKA 8G27-HFL-DEKA 12V Gel Deep Cycle Lead-Acid Storage Battery

  • AMP Hours88 Ah
  • ChemistryLead Acid, Gel

Delivery on Mar 11–16

Limited stock
Trojan OverDrive AES-31 104Ah 12V AGM Deep-Cycle Battery for Trucks, Marine & RV Auxiliary Power

Trojan OverDrive AES-31 104Ah 12V AGM Deep-Cycle Battery for Trucks, Marine & RV Auxiliary Power

  • AMP Hours104 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Miami, FL

Delivery on Mar 11–16

In stock
Trojan Motive T-1275 LPT 150Ah 12V Deep-Cycle Flooded Battery Golf Cart & Industrial

Trojan Motive T-1275 LPT 150Ah 12V Deep-Cycle Flooded Battery Golf Cart & Industrial

  • AMP Hours150 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Miami, FL

Delivery on Mar 11–16

In stock
MK Battery DEKA 8G31-HST-DEKA 12V Gel Deep Cycle Lead-Acid Storage Battery

MK Battery DEKA 8G31-HST-DEKA 12V Gel Deep Cycle Lead-Acid Storage Battery

  • AMP Hours97.6 Ah
  • ChemistryLead Acid, Gel

Delivery on Mar 11–16

Limited stock
Trojan 27-AES LBL 89Ah 12V AGM Battery for Aerial Lifts, Floor Machines, Marine & RV - 3X Cycle Life

Trojan 27-AES LBL 89Ah 12V AGM Battery for Aerial Lifts, Floor Machines, Marine & RV - 3X Cycle Life

  • AMP Hours89 Ah
  • ChemistryLead Acid, AGM

Delivery on Mar 11–16

Limited stock
Trojan Solar SAES-12-105 LT 107Ah 12V AGM Deep Cycle Off-Grid Solar & Backup Power Battery

Trojan Solar SAES-12-105 LT 107Ah 12V AGM Deep Cycle Off-Grid Solar & Backup Power Battery

  • AMP Hours107 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Miami, FL

Delivery on Mar 11–16

In stock
Trojan Motive T-1275 Plus LPT 150Ah 12V Deep-Cycle Flooded Battery Sure-Vent Golf Cart & Industrial

Trojan Motive T-1275 Plus LPT 150Ah 12V Deep-Cycle Flooded Battery Sure-Vent Golf Cart & Industrial

  • AMP Hours150 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Ft. Myers, FL

Delivery on Mar 11–16

Limited stock
Trojan T-1275 EHPT MV 150Ah 12V Deep-Cycle Battery for Golf & Floor Machines

Trojan T-1275 EHPT MV 150Ah 12V Deep-Cycle Battery for Golf & Floor Machines

  • AMP Hours150 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Orlando, FL

Delivery on Mar 11–16

Limited stock
Customer Choice
Trojan Motive 31-AES DT 102Ah 12V AGM Deep Cycle Marine, RV & Floor Scrubber Battery

Trojan Motive 31-AES DT 102Ah 12V AGM Deep Cycle Marine, RV & Floor Scrubber Battery

  • AMP Hours102 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Miami, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive 31-AES Overdrive 102Ah 12V AGM Deep-Cycle Battery Maintenance-Free Solar & Industrial

Trojan Motive 31-AES Overdrive 102Ah 12V AGM Deep-Cycle Battery Maintenance-Free Solar & Industrial

  • AMP Hours102 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Orlando, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive J185E-AC Universal Terminal 175Ah 12V Deep-Cycle Battery for Floor Machines & Industrial

Trojan Motive J185E-AC Universal Terminal 175Ah 12V Deep-Cycle Battery for Floor Machines & Industrial

  • AMP Hours175 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Orlando, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive J185G-AC Universal Terminal 185Ah 12V Deep-Cycle Battery for Floor Machines & Industrial

Trojan Motive J185G-AC Universal Terminal 185Ah 12V Deep-Cycle Battery for Floor Machines & Industrial

  • AMP Hours185 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Orlando, FL

Delivery on Mar 11–16

Limited stock
Trojan Solar SAES-12-135 LT 135Ah 12V Off-Grid Solar & Renewable Energy Battery

Trojan Solar SAES-12-135 LT 135Ah 12V Off-Grid Solar & Renewable Energy Battery

  • AMP Hours134 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Tampa, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive J185P-AC Dual Terminal 205Ah 12V Deep-Cycle Battery for Floor Machines & Industrial

Trojan Motive J185P-AC Dual Terminal 205Ah 12V Deep-Cycle Battery for Floor Machines & Industrial

  • AMP Hours205 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Orlando, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive T1275-AES M8 130Ah 12V Aerial Lift & Floor Machine Battery

Trojan Motive T1275-AES M8 130Ah 12V Aerial Lift & Floor Machine Battery

  • AMP Hours130 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Ft. Myers, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive J185H-AC Universal Terminal 225Ah 12V Deep-Cycle Battery for Material Handling, Solar & Marine

Trojan Motive J185H-AC Universal Terminal 225Ah 12V Deep-Cycle Battery for Material Handling, Solar & Marine

  • AMP Hours225 Ah
  • ChemistryLead Acid, Flooded

Pickup on Thu, Mar 12 from Orlando, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive J185HG-AC Universal Terminal 225Ah 12V Deep-Cycle Battery for Floor Machines & Industrial

Trojan Motive J185HG-AC Universal Terminal 225Ah 12V Deep-Cycle Battery for Floor Machines & Industrial

  • AMP Hours225 Ah
  • ChemistryLead Acid, Flooded

Delivery on Mar 11–16

Limited stock
Trojan Solar SAES-12-205 LT 179Ah 12V Off-Grid Solar & Renewable Energy Battery

Trojan Solar SAES-12-205 LT 179Ah 12V Off-Grid Solar & Renewable Energy Battery

  • AMP Hours179 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Miami, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive J185-AES 175Ah 12V AGM DT Deep-Cycle Battery

Trojan Motive J185-AES 175Ah 12V AGM DT Deep-Cycle Battery

  • AMP Hours175 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Miami, FL

Delivery on Mar 11–16

Limited stock
Trojan Motive J185-AES M8 175Ah 12V Floor Machine & Material Handling Battery

Trojan Motive J185-AES M8 175Ah 12V Floor Machine & Material Handling Battery

  • AMP Hours175 Ah
  • ChemistryLead Acid, AGM

Pickup on Thu, Mar 12 from Miami, FL

Delivery on Mar 11–16

In stock
MK Battery DEKA 8A8D-LTP-DEKA 12V AGM Lead-Acid Storage Battery

MK Battery DEKA 8A8D-LTP-DEKA 12V AGM Lead-Acid Storage Battery

  • AMP Hours245 Ah
  • ChemistryLead Acid, AGM

Delivery on Mar 11–16

In stock
Customer Choice
MK Battery DEKA 8G8D-HLT-DEKA Gel Deep 12V Cycle Lead-Acid Storage Battery

MK Battery DEKA 8G8D-HLT-DEKA Gel Deep 12V Cycle Lead-Acid Storage Battery

  • AMP Hours225 Ah
  • ChemistryLead Acid, Gel

Delivery on Mar 11–16

Limited stock
Trojan 8D-AGM Dual Terminal 230Ah 12V Dual-Purpose AGM Battery for Marine, RV & Industrial

Trojan 8D-AGM Dual Terminal 230Ah 12V Dual-Purpose AGM Battery for Marine, RV & Industrial

  • AMP Hours230 Ah
  • ChemistryLead Acid, AGM

Delivery on Mar 11–16

  • Overview
  • Articles

12V Battery For Sale

Premature battery failure stems from application mismatch—pairing battery chemistry with duty cycles they weren't engineered to handle. This creates emergency replacements at 2x retail cost and operational downtime exceeding the battery's purchase price.

What determines actual 12V battery lifespan beyond manufacturer ratings?

Advertised cycle life represents laboratory conditions. Real longevity depends on three variables: depth of discharge, charging voltage accuracy, and temperature. A battery rated for 500 cycles at 50% DoD delivers only 150 cycles at 80% DoD. Every 15°F above 77°F cuts lead-acid life in half. Lithium suffers permanent damage when charged below 32°F.

Battery Chemistry Comparison: Which Type Lasts Longer?

ChemistryVibration ResistanceCharge SpeedMax Sustainable DoDVoltage ToleranceCost/100AhCycle LifeBest Application
FloodedModerateBaseline50%Excellent$350300-500Engine starting, extreme cold, stationary backup
AGMExcellent 40%60%Poor (fails >14.7V)$450400-600Marine, solar with MPPT, vibration environments
Gel CellExcellent-20%80%Good$400500-800True deep-cycle, legacy charge systems
Lithium LiFePO₄Excellent 200%100%Critical (needs BMS)$1,2002000-3000High-frequency cycling, weight-critical

Flooded Advantages

Superior heat dissipation for high-current discharge, best cold-weather cranking below 0°F, 30% cheaper than AGM when maintenance aligns with existing service schedules.

AGM Advantages

Maintenance-free, withstands vibration 300% better than flooded, 40% faster charging for solar systems with variable windows.

Gel Cell Advantages

Tolerates 80% DoD across 500 cycles (AGM fails at 200 cycles), resists thermal runaway when charging voltage exceeds specifications.

Lithium Limitations

Permanent damage if charged below 32°F, requires $200-400 heating system for cold climates, delivers only 60-70% capacity at freezing temperatures.

When Lithium Batteries Pay for Themselves

Economic breakeven requires both frequent cycling and deep discharge. Cost per usable amp-hour-cycle determines value:

Cost Comparison per Usable Amp-Hour-Cycle:

Lithium: $1,200 ÷ (100Ah × 2500 cycles) = $0.0048

Lead-acid: $350 ÷ (50Ah × 400 cycles) = $0.0175

✅ Lithium Justifies Premium

Applications exceeding 200 annual cycles: full-time RVs, fishing guides, daily solar cycling.

✅ Lead-Acid Wins

Backup UPS cycling monthly (60 cycles over 5 years), seasonal boats/campers, vehicle starting where cycle count never reaches 400.

How to Size Your Battery Correctly

Lead-acid loses exponential cycle life below 50% state of charge. Size lead-acid at 2x maximum discharge; lithium at 1x discharge due to 100% usable depth.

💡 Example: 40Ah trolling motor consumption requires 80Ah AGM or 40Ah lithium for equivalent cycle life.

Expert Tip

Sixty percent of premature failures trace to charging voltage errors under one volt. A $40 battery monitor showing real-time voltage prevents 90% of early deaths. The most expensive battery with a 13.8V charger fails faster than a budget battery with proper 14.4V charging.

— Battery University Research Team

Understanding Battery Specifications

CCA (Cold Cranking Amps)

Current at 0°F for 30 seconds—matters only for engine starting.

RC (Reserve Capacity)

Minutes at 25-amp discharge—indicates house-bank duration.

Ah (Amp-Hours)

Total capacity at 20-hour rate. Lead-acid delivers only 70% at high discharge rates (Peukert effect). Lithium maintains full capacity at any discharge rate.

Best Battery for Your Application

ApplicationBattery TypeSizing FormulaBreak-Even Point
Vehicle StartingFlooded (cold climates) / AGM (maintenance-free)Match OEM CCAImmediate
RV Weekend UseAGM2x daily consumptionNever cycles enough for lithium
RV Full-TimeLithium1x daily consumption24 months at >200 cycles/year
Marine SeasonalAGM1.5x trip consumption36 months
Marine ProfessionalLithium1x trip consumption18 months at >100 days/year
Solar Daily CyclingLithiumDays autonomy × load ÷ 0.860 months
Solar WeekendGel CellDays autonomy × load ÷ 0.548 months
Backup UPSFlooded2x outage durationCalendar life matters, not cycles

Quick Selection Guide by Battery Type

Choose Flooded When

Extreme cold (regular below 0°F), stationary installation with maintenance access, high-current discharge applications.

Choose AGM When

Vibration exposure (marine/off-road), maintenance-free requirement, solar with MPPT controller, under 200 annual cycles.

Choose Gel Cell When

True deep-cycle need (80% DoD), basic charge controller without programmable profiles, budget constraint with cycling requirement.

Choose Lithium When

Over 200 annual cycles, weight/space critical, high discharge rates, need 100% usable capacity—and can guarantee charging above 32°F or install heating.

Expert Tip

Monitor actual discharge depth for 30 days before buying replacements. Forty percent of customers oversize by 2x for worst-case scenarios occurring once annually. Size for measured reality—a quality 100Ah battery outperforms a cheap 200Ah unit while costing 25% less.

— Interstate Batteries Technical Support

Bottom Line

Battery selection requires calculating cost per usable amp-hour-cycle, not comparing sticker prices. A $1,500 lithium battery delivers excellent value above 200 annual cycles but wastes money in standby applications where $300 lead-acid provides identical utility. Match chemistry to actual duty cycle—not sales recommendations or conventional wisdom.

Need Help Choosing the Right 12V Battery?

Our battery specialists will help you select the perfect chemistry and capacity for your specific application—saving you money and preventing premature failure.

Shop 12V Battery

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