Trojan Motive T-105 225Ah 6V Flooded ELPT/EUT Deep-Cycle Battery with Bayonet Cap
Pickup on Fri, Dec 5 from Ft. Myers, FL
Delivery on Dec 10–15
Trojan Motive T-875 170Ah 8V Flooded ELPT Deep-Cycle Battery with Bayonet Cap
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive 24-AES 76Ah 12V AGM DT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Orlando, FL
Delivery on Dec 10–15
Trojan Solar SAES-06-220 209Ah 6V AGM LT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive T105-AES 207Ah 6V AGM M8 Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive T-1275 150Ah 12V Flooded ELPT Deep-Cycle Battery with Master Vent
Pickup on Fri, Dec 5 from Ft. Myers, FL
Delivery on Dec 10–15
MK Battery DEKA 8G27-HFL-DEKA Gel Deep Cycle Lead-Acid Storage Battery 12V
Delivery on Dec 10–15
Trojan Motive 27-AES 89Ah 12V AGM DT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
MK Battery DEKA 8L16-DEKA Flooded Lead-Acid Storage Battery 6V
Delivery on Dec 10–15
MK Battery DEKA 8G31-HST-DEKA Gel Deep Cycle Lead-Acid Storage Battery 12V
Delivery on Dec 10–15
Trojan Solar SAES-12-105 107Ah 12V AGM LT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive 31-AES 102Ah 12V AGM DT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive 31-AES 102Ah 12V AGM M8 Deep-Cycle Battery
Pickup on Fri, Dec 5 from Orlando, FL
Delivery on Dec 10–15
Trojan Motive T875-AES 158Ah 8V AGM M8 Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Solar SAES-12-135 134Ah 12V AGM LT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Tampa, FL
Delivery on Dec 10–15
Trojan Motive T1275-AES 130Ah 12V AGM M8 Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Solar SAES-06-315 285Ah 6V AGM LT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive J305-AES 279Ah 6V AGM DT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive J305-AES 279Ah 6V AGM M8 Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Solar SAES-06-375 364Ah 6V AGM LT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive L16-AES 325Ah 6V AGM DT Deep-Cycle Battery
Delivery on Dec 10–15
Trojan Motive J185-AES 175Ah 12V AGM DT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Solar SAES-12-205 179Ah 12V AGM LT Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
Trojan Motive J185-AES 175Ah 12V AGM M8 Deep-Cycle Battery
Pickup on Fri, Dec 5 from Miami, FL
Delivery on Dec 10–15
MK Battery DEKA 8A8D-LTP-DEKA AGM Lead-Acid Storage Battery 12V
Delivery on Dec 10–15
MK Battery DEKA 8G8D-HLT-DEKA Gel Deep Cycle Lead-Acid Storage Battery 12V
Delivery on Dec 10–15
SimpliPHI 1.4 24V Lithium Ferro Phosphate Battery (by Briggs & Stratton)
Delivery on Dec 12–17
MK Battery Deka 5.3kWh 100Ah 48V Lithium Iron Phosphate Battery DD5300
Delivery on Dec 10–15
SimpliPHI 3.8 48V Lithium Ferro Phosphate Battery (by Briggs & Stratton)
Delivery on Dec 12–17
SimpliPHI 3.8 24V Lithium Ferro Phosphate Battery (by Briggs & Stratton)
Delivery on Dec 12–17
Delivery on Dec 12–17
SimpliPHI 6.6 48V Lithium Ferro Phosphate Stackable Battery (by Briggs & Stratton)
Delivery on Dec 12–17
Trojan Lithium OnePack High Performance TR-48-170-HP 171Ah 51.2V M8 LiFePO4 Battery
Pickup on Fri, Dec 5 from Orlando, FL
Delivery on Dec 10–15
Fortress Power Evault Max 18.5 kWh Lithium Battery Storage
Delivery on Dec 10–15
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.
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
⚠️ 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.
✅ 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
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.
Battle Born Batteries, Leading LiFePO4 Manufacturer
Lithium advantage emerges for 10 year ownership. Weekend warriors using RVs 5-7 years pay premium for unused cycle life.
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.
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.
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.
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.
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.
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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