What energy storage solutions does Briggs & Stratton offer?

They provide SimpliPHI® batteries, Sol-Ark® hybrid inverters, and AccESS™ integrated systems for residential and commercial energy storage.

How safe are Briggs & Stratton batteries?

Briggs & Stratton uses Lithium Ferro Phosphate (LFP) chemistry, known for its thermal stability and long lifespan, along with a Battery Management System (BMS) for monitoring.

Do Briggs & Stratton storage systems qualify for solar incentives?

Yes, they are eligible for the 30% Federal Solar Tax Credit (ITC) and may qualify for state and local rebates.

Are their products compatible with generators?

Yes, they can integrate with Briggs & Stratton standby generators and other third-party generators for hybrid power solutions.

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Solar Batteries
Low Voltage Batteries

Low Voltage Batteries

Trojan Motive T-105 225Ah 6V Flooded ELPT/EUT Deep-Cycle Battery with Bayonet Cap

AMP Hours225Ah
TypeLead Acid

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

AMP Hours170Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

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

AMP Hours76Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Orlando, FL

Delivery on Dec 10–15

Customer Choice

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

AMP Hours209Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

Trojan Motive T105-AES 207Ah 6V AGM M8 Deep-Cycle Battery

AMP Hours207Ah
TypeLead Acid

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

AMP Hours150Ah
TypeLead Acid

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

AMP Hours88Ah
TypeLead Acid

Delivery on Dec 10–15

Trojan Motive 27-AES 89Ah 12V AGM DT Deep-Cycle Battery

AMP Hours89Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

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

AMP Hours370Ah
TypeLead Acid

Delivery on Dec 10–15

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

AMP Hours97.6Ah
TypeLead Acid

Delivery on Dec 10–15

Trojan Solar SAES-12-105 107Ah 12V AGM LT Deep-Cycle Battery

AMP Hours107Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

Trojan Motive 31-AES 102Ah 12V AGM DT Deep-Cycle Battery

AMP Hours102Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

Trojan Motive 31-AES 102Ah 12V AGM M8 Deep-Cycle Battery

AMP Hours102Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Orlando, FL

Delivery on Dec 10–15

Trojan Motive T875-AES 158Ah 8V AGM M8 Deep-Cycle Battery

AMP Hours158Ah
TypeLead Acid

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

AMP Hours134Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Tampa, FL

Delivery on Dec 10–15

Trojan Motive T1275-AES 130Ah 12V AGM M8 Deep-Cycle Battery

AMP Hours130Ah
TypeLead Acid

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

AMP Hours285Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

Trojan Motive J305-AES 279Ah 6V AGM DT Deep-Cycle Battery

AMP Hours279Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

Trojan Motive J305-AES 279Ah 6V AGM M8 Deep-Cycle Battery

AMP Hours279Ah
TypeLead Acid

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

AMP Hours364Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

Trojan Motive L16-AES 325Ah 6V AGM DT Deep-Cycle Battery

AMP Hours355Ah
TypeLead Acid

Delivery on Dec 10–15

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

AMP Hours175Ah
TypeLead Acid

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

AMP Hours179Ah
TypeLead Acid

Pickup on Fri, Dec 5 from Miami, FL

Delivery on Dec 10–15

Trojan Motive J185-AES 175Ah 12V AGM M8 Deep-Cycle Battery

AMP Hours175Ah
TypeLead Acid

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

AMP Hours245Ah
TypeLead Acid

Delivery on Dec 10–15

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

AMP Hours225Ah
TypeLead Acid

Delivery on Dec 10–15

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

AMP Hours57Ah
TypeLiFePO4

Delivery on Dec 12–17

MK Battery Deka 5.3kWh 100Ah 48V Lithium Iron Phosphate Battery DD5300

AMP Hours100Ah
TypeLiFePO4

Delivery on Dec 10–15

Customer Choice

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

AMP Hours75Ah
TypeLiFePO4

Delivery on Dec 12–17

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

AMP Hours150Ah
TypeLiFePO4

Delivery on Dec 12–17

SimpliPHI 3.8 48V Lithium Ferro Phosphate Battery with Integrated BMS w/ Communications (by Briggs & Stratton)

AMP Hours75Ah
TypeLiFePO4

Delivery on Dec 12–17

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

AMP Hours130Ah
TypeLiFePO4

Delivery on Dec 12–17

Trojan Lithium OnePack High Performance TR-48-170-HP 171Ah 51.2V M8 LiFePO4 Battery

AMP Hours171Ah
TypeLiFePO4

Pickup on Fri, Dec 5 from Orlando, FL

Delivery on Dec 10–15

Fortress Power Evault Max 18.5 kWh Lithium Battery Storage

AMP Hours150Ah
TypeLithium Ion

Delivery on Dec 10–15

Overview
Articles

Low Battery Voltage

When vehicles refuse to start or UPS systems fail during power outages, low battery voltage below 12.2 volts is typically the culprit. This condition affects millions of vehicle owners annually, requiring systematic diagnosis rather than automatic battery replacement.

What Voltage Levels Indicate Battery Problems?

A 12-volt battery is considered low when resting voltage drops below 12.2 volts, indicating approximately 50% charge. The critical threshold sits at 11.8 volts—below this point, batteries risk permanent damage.

Resting Voltage	State of Charge	Functional Status	Action Required
12.6V - 12.8V	100%	Fully operational	Monitor charging system
12.4V - 12.5V	75%	Adequate	Check for parasitic draw
12.2V - 12.3V	50%	Starting problems likely	Immediate recharge needed
12.0V - 12.1V	25%	Critical depletion	Load test after charging
10.5V - 11.9V	Under 25%	Severe discharge	Risk of irreversible damage

Why Does Voltage Degrade?

Sulfation—lead sulfate crystal formation on battery plates—represents the primary degradation mechanism in lead-acid batteries. When batteries remain in a low state of charge for weeks or months, amorphous lead sulfate converts to stable crystalline deposits that reduce active surface area.

⚡ Parasitic Drain Impact

Parasitic drain in modern vehicles typically ranges from 50-85 milliamps, drawing power even when the ignition is off. Draw exceeding 100 milliamps indicates electrical problems requiring immediate attention.

🌡️ Temperature Effects

Temperature extremes accelerate degradation—every 8°C above 25°C halves battery lifespan, while freezing temperatures can reduce capacity by 20-50%. At 95°F, chemical reactions proceed twice as fast as at 77°F.

Temperature Impact on Battery Performance

Temperature	Capacity Available	Self-Discharge Rate	Charging Voltage Adjustment
-20°C (-4°F)	50-60%	Very slow	0.6V required
0°C (32°F)	70-80%	Slow	0.3V required
25°C (77°F)	100% (rated)	Normal baseline	Standard 13.8-14.4V
40°C (104°F)	100%	3x baseline	-0.3V recommended
50°C (122°F)	100%	5x baseline	-0.5V recommended

How to Diagnose Battery Condition Accurately?

Voltage measurement alone provides incomplete information. Professional diagnosis requires removing surface charge by either waiting 15-30 minutes after charging or applying a brief load before measurement.

Load testing reveals actual capacity under operating stress. Professional testers apply half the cold cranking amp rating for 15 seconds—healthy batteries should maintain voltage above 9.6 volts at 70°F.

Diagnostic Testing Protocol

Test Type	Method	Normal Result	Failure Indicator	When to Use
Resting Voltage	Multimeter after 1-hour rest	12.6V	Below 12.2V	Initial assessment
Surface Charge Removal	15-second load application	Voltage drops 0.3-0.6V	Drops more than 1V	Before accurate reading
Load Test	50% of CCA for 15 seconds	Above 9.6V at 70°F	Below 9.6V	Capacity verification
Conductance Test	AC signal injection	Within 10% of rated CCA	Below 50% of rated CCA	Professional diagnosis
Parasitic Draw	Ammeter in series	Below 85mA for modern vehicles	Above 100mA	Drain investigation

Expert Tip

Temperature compensation is critical—for every 15°F below 77°F, batteries require approximately 0.01 volts additional charging voltage. Fixed 14.4-volt charging undercharges at 20°F and damages batteries at 100°F. Smart alternators and advanced chargers incorporate temperature sensors for this precise reason.

Dr. Marie Sayegh, Battery Testing Specialist at TWAICE

When Is Replacement Necessary?

What physical damage requires immediate battery replacement?

Physical damage—case cracks, terminal breakage, or bulging—creates safety hazards requiring immediate replacement. These conditions cannot be repaired and pose risks of acid leakage or explosion.

How do I identify internal short circuits?

Internal short circuits manifest through rapid self-discharge, with voltage dropping below 12.0 volts within 48 hours after full charging. This condition results from separator failure or dendrite growth and cannot be reversed.

What capacity loss indicates terminal degradation?

Capacity loss below 50% of rated specification or load test voltage dropping below 9.6 volts during testing indicates terminal degradation. Age-related decline becomes significant beyond four years in automotive applications.

Need Professional Battery Diagnostics?

Low battery voltage demands methodical diagnosis rather than reflexive replacement. Understanding the interaction between battery chemistry, charging systems, and electrical loads enables cost-effective solutions that balance immediate operational needs against long-term reliability.

Get Expert Consultation