LiFePO4 starting power
1500CA of cranking output in the original family-size footprint.
27 / 27M BUYER GUIDE
PowerTex 27 / 27M battery specifications and fitment
This 12.8V LiFePO4 starting battery provides 1500CA of cranking output and 60Ah of rated capacity in a 27 / 27M case weighing 22.1 lb.
Use the specifications below with your vehicle manual and current battery label. Group size alone does not guarantee compatibility.
Key specifications
| Specification | 60Ah |
|---|---|
| Rated capacity | 60Ah |
| Cranking amps | 1500CA |
| Weight | 22.1 lb |
| Price | $899.99 |
Shared specifications12.8V nominal voltage12.1 x 6.6 x 9.2 in caseBCI Group 27 / 27M
Check compatibility before ordering
- Battery group: confirm your application uses BCI Group 27 / 27M.
- Physical fit: verify the 12.1 x 6.6 x 9.2 in case, hold-down, and terminal orientation.
- Starting requirement: confirm that 1500CA meets the vehicle manufacturer's requirement.
- Charging system: confirm compatibility with a 12.8V LiFePO4 starting battery.
- Vehicle connections: check for an OEM sensor port, vent, or special terminal connection that must be retained.
For marine use, also verify the engine manufacturer's approved battery requirements for the exact outboard model.
COMMON QUESTIONS
27 / 27M LiFePO4 battery FAQ
Will this fit every application that lists Group 27 / 27M?
Not automatically. Verify case dimensions, terminal orientation, hold-down, required cranking amps, charging-system compatibility, and any sensor or special connection used by the vehicle or boat.
Do I need a special charger?
Use a charger with a 12.8V LiFePO4-compatible charging profile and follow the PowerTex instructions. Avoid lead-acid-only reconditioning or desulfation modes.
What does the battery management system do?
The integrated BMS protects against overcharge, over-discharge, and short-circuit conditions while monitoring battery operation.
How does emergency starting work in the PowerTex app?
If low charge or BMS protection shuts down the main output, use the PowerTex app to activate the battery's emergency starting reserve directly from your phone. Recharge the battery and diagnose the cause after use.
PRODUCT DETAILS
A lighter 27 / 27M starting battery built for dependable power
The PowerTex Group 27 / 27M is a 12.8V LiFePO4 starting battery designed for strong cranking performance, lower battery weight, and integrated electrical protection.
Integrated BMS protection
The battery management system protects against overcharge, over-discharge, and short-circuit conditions.
PowerTex app control
Use the PowerTex app to review battery voltage, current, and status from a compatible phone.
App-activated emergency start
If low charge or BMS protection shuts down the main output, activate the battery's emergency starting reserve from your phone in the PowerTex app.
5-year prorated limited warranty
Coverage is subject to the terms for this battery. Review the automotive warranty terms.
IMPORTANT FITMENT NOTE
Confirm more than the group number
This is a PowerTex aftermarket component, not an OEM battery. It does not include the sensor port found on some original batteries. Verify the case, terminals, hold-down, charging system, and vehicle connections before ordering.
Safety documentation
Contact PowerTex for safety and transport documents for your exact battery model. Confirm any required certification and environmental rating before purchase.
Always follow the vehicle manufacturer and PowerTex installation and charging requirements.
PowerTex Batteries BCI Group 27 / 27M Lithium LiFePO4 Automotive & Marine Battery
Most items ship within 24 hours, excluding weekends and major holidays.
Return within 30 days of delivery. Shipping fees are non-refundable.
PowerTex Batteries BCI Group 27 / 27M Lithium LiFePO4 Automotive & Marine Battery
Powertex BCI Group 27 Lithium Car & Marine Battery
Maximized Longevity
Get the most from your LiFePO4 battery with compatible charging and regular care. Battery life varies with temperature, storage, electrical loads, and depth of discharge. Keep the battery charged within its specified limits and investigate unexpected drain promptly.
Battery Management System (BMS)
Experience peace of mind with our cutting-edge Battery Management System (BMS), acting as a vigilant protector against overcharge, over-discharge, and short-circuit incidents. This intelligent system tirelessly monitors and controls battery performance, ensuring both your safety and the durability of your investment.
Optimized for Inboard & Outboard Motors
Powertex lithium batteries deliver the reliable cranking power needed to start inboard & outboard motors, including Mercury Marine®-approved models. With faster charging, lightweight construction, and superior cycle life, they provide consistent, high-performance starts while reducing overall boat weight for improved fuel efficiency and handling. Built to endure harsh marine conditions, these batteries ensure trouble-free operation on the water, making them the ideal choice for powering your outboard motor with confidence.
Built for Marine Conditions
For marine use, verify the exact battery model against your engine and onboard electrical requirements. Secure the battery, protect the terminals, and keep it out of standing water. Confirm the model-specific environmental rating with PowerTex before installation.
Safety
Safe use starts with correct installation, secure mounting, protected terminals, and compatible charging. Do not submerge the battery or use a damaged unit. Contact PowerTex for the test documentation and environmental rating that apply to your exact model; these can vary by battery.
App-Activated Emergency Start
If low charge or BMS protection shuts down the battery’s main output, activate its emergency starting reserve from your phone in the PowerTex app. Recharge the battery and diagnose the cause after use.
Frequently Asked Questions
What are the benefits of choosing Powertex's lithium car batteries over traditional lead-acid batteries?
Powertex Batteries' lithium car batteries offer numerous advantages, including lighter weight, higher energy density, longer lifespan, app-activated emergency starting reserve, cutting-edge BMS, bluetooth connectivity and superior performance in extreme temperatures compared to traditional lead-acid batteries.
Do I need a special charger for Powertex Batteries car batteries?
Certainly, it's advisable to utilize a charger tailored for lithium batteries to uphold peak performance and safety standards. Employing a charger unsuited for lithium batteries could potentially lead to battery damage or safety risks. Please note, this recommendation pertains to external charging or tender applications, distinct from the vehicle's alternator. Rest assured, our batteries are engineered to seamlessly interface with standard car alternators.
Can I jump-start a vehicle equipped with Powertex Batteries' lithium car battery?
If low charge or BMS protection shuts down the battery’s main output, activate its emergency starting reserve from your phone in the PowerTex app. Recharge the battery and diagnose the cause after use.
Are Powertex lithium car batteries safe to use?
Yes, Powertex Batteries' lithium car batteries are crafted with integrated safety features to ensure safe operation. When properly handled and installed, they present minimal safety concerns. Our choice of lithium chemistry, lithium iron phosphate (LiFePO4), ensures utmost safety, distinct from the lithium chemistry commonly found in cell phones and other devices.
How long can I expect Powertex Batteries' lithium car batteries to last?
Powertex Batteries' lithium car batteries are engineered to last between five to ten years or beyond, contingent upon factors such as usage patterns, charging routines, and environmental circumstances. Designed to deliver enduring performance and unwavering reliability, they outlast conventional lead-acid batteries, which typically endure approximately three to five years.
Can I use a Powertex car battery for racing or high-performance applications?
Yes, Powertex batteries are a popular choice for racing and high-performance vehicles due to their lightweight design and high energy density. However, it's essential to choose a battery with the appropriate specifications and ensure it meets the requirements for your specific application.
Do I need to code Powertex Batteries lithium car battery when installing?
Though not every battery replacement necessitates programming, certain newer models from Audi, Porsche, BMW, and similar brands are advised to undergo updates using a qualified scan tool programmer. This simple process guarantees alignment with the new battery's chemistry and capacity. Moreover, it alerts the alternator to the presence of the new battery, allowing for precise charging in line with its specifications and preventing overcharging or potential complications.
Are Powertex Batteries' lithium batteries environmentally friendly?
Yes, Powertex Batteries' lithium car batteries are more environmentally friendly than traditional lead-acid batteries. They contain fewer toxic materials and can be recycled, reducing their environmental impact.
Do Powertex Batteries require maintenance?
No, Powertex Batteries' lithium car batteries are maintenance-free. They do not require regular maintenance tasks such as checking electrolyte levels or topping up water like lead-acid batteries.However, if the battery will be installed in a vehicle with infrequent use, we highly recommend investing in our battery tender to prevent parasitic drains and prolong battery life.
How do Powertex Batteries perform in extreme temperatures?
Powertex lithium batteries excel in a wide range of temperatures but may be less efficient in consistently cold climates. If your car is regularly used in temperatures below 30°F, a lead-acid battery may be a better option, as lithium batteries can experience reduced efficiency in extreme cold. Powertex lithium batteries are designed to operate between -4°F and 140°F. While lithium batteries are more tolerant of temperature extremes overall, for colder climates, lead-acid may offer more consistent performance.
What should I consider before purchasing a lithium car battery?
Factors to consider include compatibility with your vehicle, voltage and capacity requirements.
What is covered under the battery warranty?
Our 5-year prorated limited automotive warranty covers any manufacturing defects that may arise during normal use of the battery. This includes issues such as faulty cells, internal short circuits, or other defects in materials or workmanship. If you encounter any problems covered by the warranty, please contact us for assistance.
Introducing PowerTex LiFePO4 BCI Group 27 / 27M Battery – The Ultimate Power Solution for Automotive & Marine Applications!
Unveiling the Key Attributes
Maximized Longevity: Elevate your driving and boating experience with the Powertex Lithium Iron Phosphate battery, engineered for exceptional durability and performance. Designed to surpass conventional lead-acid batteries, this powerhouse delivers sustained energy and reliability, ensuring your vehicle or vessel runs at peak efficiency mile after mile or wave after wave.
Optimized Performance: Whether on the road or the water, the Powertex LiFePO4 battery offers enhanced power and a longer lifespan, making it the perfect choice for those looking to maximize performance. Ideal for automotive applications and marine use, including powering outboard motors, this battery ensures consistent and dependable energy in all conditions.
App-Activated Emergency Start: If low charge or BMS protection shuts down the main output, activate the battery's emergency starting reserve from your phone in the PowerTex app. Recharge the battery and diagnose the cause after use.
Battery Management System (BMS): Experience unparalleled protection with our advanced Battery Management System, safeguarding against overcharge, over-discharge, and short circuits. Whether navigating the highway or open waters, trust in a battery that continuously monitors and optimizes performance for safety and longevity.
Grade A Cells: Built with UL-certified Grade A cells, our battery guarantees top-tier performance and reliability, giving you peace of mind in all your automotive and marine adventures.
Warranty: Enjoy worry-free usage with our 5-year prorated limited automotive warranty and rigorous quality testing, ensuring superior product excellence and customer satisfaction.
Specifications at a Glance
Capacity: Ample energy storage to support extended road trips and marine excursions.
Cycle Life: Exceptional longevity, providing years of reliable service.
Charging Time: Fast and efficient charging to minimize downtime, whether on land or at sea.
At Powertex, we prioritize clarity and excellence, providing the critical information you need to make informed decisions and enhance every journey—on the road or the water.
Optimized for Marine & Outboard Applications
Powertex LiFePO4 batteries are designed to meet the demands of marine environments, including powering outboard motors. Mercury Marine® has recently released a bulletin regarding the use of lithium-ion batteries for starting engines, approving lithium starting batteries for select outboard models. Our Group 27M battery meets these criteria, ensuring compatibility with Mercury’s approved list of outboards. Powertex delivers reliable performance, long-lasting power, and superior durability for your boating adventures.
Concerned About the Safety of Powertex LiFePO4 Batteries?
Our LiFePO4 battery undergoes rigorous testing to ensure the highest level of safety and efficiency. Featuring puncture-tested cells that prevent fire and explosion risks, along with crush-resistant technology, it withstands extreme pressure, collisions, and vibrations—perfect for rough terrain and marine conditions. With IP65 and IP67 waterproof ratings, it offers superior protection against water damage, making it ideal for outboard motors and other marine applications.
Certified with UN38.3, MSDS, 62133, 62619, and CE, this battery meets stringent reliability and safety standards, providing peace of mind wherever your adventures take you.
THIS BATTERY IS A POWERTEX AFTERMARKET COMPONENT AND NOT AN OEM PRODUCT. IT LACKS A SENSOR PORT THAT SOME VEHICLES MAY REQUIRE. SENSORS ARE AVAILABLE FOR SEPARATE PURCHASE. PLEASE CONTACT US TO ENSURE WE OFFER THE CORRECT OPTIONS FOR YOU.
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