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RV Deep Cycle Solar Batteries

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In stock

Trojan Pacer P-105 6V Deep-Cycle Battery Affordable Golf Cart & Floor Machine Power

  • AMP Hours220Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

In stock
Customer Choice

Trojan Motive T-105 6V 225Ah Deep-Cycle Battery Golf Cart, RV & Solar

  • AMP Hours225Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Ft. Myers, FL

Delivery on Jan 27–30

In stock

Trojan Motive T-875 170Ah 8V Deep-Cycle Battery Golf Cart & Industrial Power

  • AMP Hours170Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Ft. Myers, FL

Delivery on Jan 27–30

In stock

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

  • AMP Hours145Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

Limited stock

Trojan Motive 24-AES 12V 76Ah Deep-Cycle AGM Battery Group 24 Industrial

  • AMP Hours76Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Orlando, FL

Delivery on Jan 27–30

Limited stock

Trojan Solar SAES-06-220 209Ah 6V Battery Deep-Cycle AGM

  • AMP Hours209Ah
  • TypeLead Acid

Delivery on Jan 27–30

In stock

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

  • AMP Hours88Ah
  • TypeLead Acid

Delivery on Jan 27–30

Limited stock

Trojan OverDrive AES-31 12V 104Ah AGM Battery Trucks, Marine & RV

  • AMP Hours104Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

In stock

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

  • AMP Hours150Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

In stock

Trojan Motive T105-AES 6V 207Ah AGM Deep Cycle Battery Maintenance-Free Upgrade

  • AMP Hours207Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

In stock

MK Battery DEKA 8L16-DEKA Flooded Lead-Acid Storage Battery 6V

  • AMP Hours370Ah
  • TypeLead Acid

Delivery on Jan 27–30

In stock

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

  • AMP Hours97.6Ah
  • TypeLead Acid

Delivery on Jan 27–30

Limited stock

Trojan Motive 31-AES DT 12V 102Ah AGM Battery Dual Terminal for Solar & Marine

  • AMP Hours102Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

Limited stock

Trojan Motive 31-AES 12V 102Ah AGM M8 Battery Solar, RV & Heavy-Duty Trucks

  • AMP Hours102Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Orlando, FL

Delivery on Jan 27–30

Limited stock

Trojan SAES-12-135 Solar Battery | 135Ah 12V Maintenance-Free AGM

  • AMP Hours134Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Tampa, FL

Delivery on Jan 27–30

Limited stock

Trojan Motive T1275-AES 12V 130Ah AGM Deep Cycle Battery Industrial Power 1,200 Cycles

  • AMP Hours130Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

Limited stock

Trojan Solar SAES-06-315 285Ah 6V Battery Maintenance-Free AGM

  • AMP Hours285Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

Limited stock

Trojan Motive J305-DT-AES 6V 279Ah AGM Dual Terminal Battery Automotive Post + Stud

  • AMP Hours279Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

Limited stock

Trojan J305-AES 6V 279Ah AGM M8 Deep Cycle Battery Heavy-Duty Industrial 1,200 Cycles

  • AMP Hours279Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Orlando, FL

Delivery on Jan 27–30

Limited stock

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

  • AMP Hours175Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

Limited stock

Trojan J185-AES Industrial Battery | 175Ah 12V AGM Deep-Cycle

  • AMP Hours175Ah
  • TypeLead Acid

Pickup on Wed, Jan 28 from Miami, FL

Delivery on Jan 27–30

In stock

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

  • AMP Hours245Ah
  • TypeLead Acid

Delivery on Jan 27–30

In stock

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

  • AMP Hours225Ah
  • TypeLead Acid

Delivery on Jan 27–30

Limited stock

SimpliPHI 1.4 24V Lithium Ferro Phosphate Battery (by Briggs & Stratton)

  • AMP Hours57Ah
  • TypeLiFePO4

Delivery on Jan 29 – Feb 03

Limited stock

SimpliPHI 3.8 48V Lithium Ferro Phosphate Battery (by Briggs & Stratton)

  • AMP Hours75Ah
  • TypeLiFePO4

Delivery on Jan 29 – Feb 03

Limited stock

SimpliPHI 3.8 24V Lithium Ferro Phosphate Battery (by Briggs & Stratton)

  • AMP Hours150Ah
  • TypeLiFePO4

Delivery on Jan 29 – Feb 03

Limited stock
In stock

SimpliPHI 6.6 48V Lithium Ferro Phosphate Stackable Battery (by Briggs & Stratton)

  • AMP Hours130Ah
  • TypeLiFePO4

Delivery on Jan 29 – Feb 03

  • Overview
  • Articles

RV Battery Systems

Deep-cycle RV batteries feature thicker lead plates for sustained discharge cycles versus automotive starting batteries. This construction delivers 500-5000 cycles depending on chemistry, compared to 20-30 cycles for starting batteries in house battery service.

Calculate Your RV's Actual Power Requirements

Convert all consumption to amp-hours: divide wattage by 12V, multiply by daily runtime hours.

Example calculation: A 120-watt refrigerator running 40% duty cycle (9.6 hours) consumes 96Ah daily. Add furnace blower (28Ah), LED lighting (6Ah), water pump (2.5Ah), and entertainment (24Ah) for a total of approximately 156.5Ah daily consumption.

Days of autonomy = usable battery capacity ÷ daily consumption

400Ah lithium (360Ah usable at 90%) ÷ 160Ah = 2.25 days
400Ah AGM (200Ah usable at 50%) ÷ 160Ah = 1.25 days

Battery Capacity by Camping Pattern

Camping Pattern Daily Load Target Autonomy Lithium Needed AGM Needed
Weekend warrior 100Ah 2 days 220Ah 400Ah
Extended trips 160Ah 3 days 530Ah 960Ah
Full-time boondocking 200Ah 5 days 1,110Ah 2,000Ah

⚠️ Air Conditioning Reality: 13,500 BTU AC draws 100-125A. Running 4 hours daily requires 400-500Ah—impractical without generator or 800-1200Ah lithium system.

Battery Chemistry Comparison

Specification Lithium (LiFePO4) AGM Flooded Lead-Acid
Cost per 100Ah $800-$1,200 $150-$250 $100-$150
Cycle life 3,000-5,000 (80% DoD) 400-600 (50% DoD) 300-500 (50% DoD)
Usable capacity 90% 50% 50%
Weight per 100Ah 30 lbs 65 lbs 70 lbs
Charge acceptance 1C (100A/100Ah) 0.2C (20A/100Ah) 0.15C (15A/100Ah)
Service life 8-12 years 3-5 years 2-4 years
Maintenance None None Monthly watering
Charging below 32°F Disabled Reduced Reduced

✅ When lithium makes sense: 100 camping nights annually, full-time RVers, weight-critical applications

✅ When AGM makes sense: 20-60 nights yearly, weekend warriors, existing compatible charging systems

Expert Tip

Size batteries for continuous loads (refrigeration, climate control) operating hours daily, not brief appliance peak surges. A microwave drawing 100A for 10 minutes consumes only 16Ah daily.

Total Cost of Ownership (400Ah System, 10 Years)

Chemistry Initial Cost Replacements Total Battery Cost Weight Total 10-Year Cost
Lithium $3,200 0-1 $3,200-$6,400 120 lbs $3,500-$6,700
AGM $1,000 2-3 $3,000-$4,000 260 lbs $3,000-$4,000
Flooded $600 3-5 $2,400-$3,600 280 lbs $2,400-$3,600

Lithium advantage emerges for 10 year ownership. Weekend warriors using RVs 5-7 years pay premium for unused cycle life.

Temperature Impact on Performance

Cold weather dramatically reduces battery capacity. At 32°F, lithium maintains 95% capacity while AGM drops to 70-80%. At 0°F, lithium retains 85% but AGM plummets to 50-60%. This transforms a 400Ah AGM bank into just 200-240Ah effective capacity during freezing weather.

Critical limitation: Lithium BMS disables charging below 32°F to prevent damage, though discharge continues to -4°F. AGM charging becomes severely limited below freezing. Both chemistries operate at full 100% capacity at 77°F rated temperature.

Lithium Upgrade Requirements

Pre-2018 RV converters require replacement ($300-$600) with lithium-compatible models from Progressive Dynamics, WFCO, or Victron. Solar controllers from Victron, Morningstar, and Renogy include lithium profiles requiring only menu programming ($0 upgrade cost). Alternator charging needs DC-DC chargers ($400-$700) for regulated voltage delivery.

Key voltage settings: Lithium requires 14.2-14.6V bulk charging with 13.4-13.6V float, compared to lead-acid's 14.4-14.8V bulk and 13.2-13.4V float.

Critical Specifications for Comparison

What is usable capacity and why does it matter?

200Ah AGM provides 100Ah usable (50% safe discharge). 100Ah lithium battery provides 90Ah usable (90% discharge). A lithium battery at half the rated capacity delivers nearly identical functional capacity to AGM.

How do I compare cycle life between different batteries?

AGM claiming 1000 cycles at 30% discharge versus lithium claiming 3000 cycles at 80% discharge cannot be directly compared. Premium lithium delivers 3000-5000 cycles at 80% depth. Quality AGM provides 400-600 cycles at 50% depth, translating to 8-12 year lithium service versus 3-5 years AGM under equivalent daily cycling.

Why does charge acceptance rate matter?

Charge acceptance determines recharge time. Lithium accepts 0.5-1.0C (200Ah battery absorbs 100-200A). AGM accepts 0.2-0.3C (200Ah limited to 40-60A). This directly impacts solar panel sizing since slow-charging AGM requires oversized arrays for adequate recharge speed during limited sunlight hours.

Battery Life Extension

Maintain charge above 50% for lead-acid, 20% for lithium. Install battery monitors (Victron, Magnum, Bogart) tracking amp-hours consumed—voltage-based estimates prove inaccurate during discharge.

Apply dielectric grease to terminals. Annual inspection and retightening prevents high-resistance connections causing voltage drop during high-current loads.

Lead-acid requires periodic equalization charging. Lithium requires no maintenance charging beyond normal cycling.

Bottom Line

Weekend warriors optimize value with AGM at 20-60 nights yearly. Full-timers and frequent boondockers (100 nights) gain quantifiable ROI from lithium through extended cycle life, weight savings, and fast recharging.

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