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Temgo 12V 100Ah Self-Heating Bluetooth Lithium Battery for Trolling Motors, RVs & Campers, Off-Grid

SKU: TG-12V-100AH-H
9 reviews
Regular price $269.99
  • Compact but powerful, delivering 1280Wh in a Group 24 size that is 25% smaller and about half the weight of a comparable lead-acid battery.

  • Skip the multimeter and manual checks with Bluetooth app monitoring, giving you battery status at a glance from your phone.

  • Charge in the cold with confidence. At 32°F (0°C), TEMGO self-heats automatically and resumes normal charging at 41°F (5°C).

  • Built for safe, stable power, the 100A BMS helps protect against overcharge, over-discharge, overcurrent, overheating, and short circuits.

  • Scale your power as you need it. Expand up to 4P4S for 12V, 24V, 36V, or 48V systems with simple connections and less wiring hassle.

  • Built to last, with 100% usable capacity, up to 5,000 cycles, and up to a 10-year lifespan—so you spend less time replacing batteries and more time enjoying life.
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Services and Benefits

U.S. Warehouse · Free Shipping

Free standard shipping on all orders.

Estimated delivery within 1–6 business days.

Excludes Hawaii (HI), Alaska (AK), and Puerto Rico (PR).

Hassle-Free Returns

Temgo offers a straightforward return process and free replacement support for qualifying product defects, serious shipping damage, or incorrect items.

10-Year Technical Assistance

Get 24/7 online support and 10 years of technical assistance for installation, operation, and troubleshooting, providing reliable support long after your purchase.

Temgo Self-Heating LiFePO4 Battery. Power Through Every Season.

Whether you're facing freezing temperatures or enjoying summer adventures, TEMGO is built to deliver dependable power wherever life takes you. Featuring smart self-heating technology, a 100A BMS, and Bluetooth app monitoring, this LiFePO4 battery is designed for reliable performance across RVs & Campers, Marine, Solar, and Off-Grid applications. With up to 5,000 cycles, a 10-year lifespan, and system expansion up to 4P4S, TEMGO gives you dependable energy and the freedom to stay powered in changing conditions.

12V 100Ah lithium battery with self heating

Temgo 12V 100Ah lithium battery with self heating

Stay Powered When Temperatures Drop

When temperatures fall below 32°F (0°C), LiFePO4 batteries cannot safely accept a charge. TEMGO solves this with automatic self-heating. The battery warms itself in cold conditions and resumes normal charging once it reaches 41°F (5°C). Warm up. Start charging. Stay powered.

12V100Ah lithium battery low-temperature protection

Temgo 12V100Ah lithium battery low-temperature protection

Smart Protection for Reliable Performance

Powered by a 100A BMS, the Temgo 12V 100Ah LiFePO4 battery is designed to help guard against overcharge, over-discharge, overcurrent, and short circuits. This built-in protection helps maintain stable operation and reduces the risk of unexpected power interruptions. Protected. Reliable. Ready for the journey.

smart LiFePO4 battery of Temgo BMS

smart LiFePO4 battery of Temgo BMS

Your Battery Status, Right on Your Phone

No need to carry a multimeter, open the battery, or rely on manual voltage checks. With Bluetooth app monitoring, you can conveniently view battery information directly from your smartphone. Connect to the app. Check your battery. Stay informed.

12V100Ah self-heating app monitoring

Temgo lithium battery of 12V100Ah self-heating app monitoring

Longer Life. Less Weight. More Freedom.

Why settle for heavy batteries, limited usable capacity, and frequent replacements? TEMGO is designed to make everyday power easier. With 100% usable capacity, up to 5,000 cycles, and a 10-year lifespan, it delivers lasting value while weighing only 24.2 lbs—about one-third the weight of a comparable lead-acid battery. More usable power. Less weight. Less maintenance. Simply install and go.

12V100Ah self-heating LIFePo4 Battery comparison with lead acid ones

Temgo 12V100Ah self-heating LIFePo4 Battery comparison with lead acid ones

Expand Your Power Without the Extra Complexity

As your energy needs grow, your battery system can grow with them. TEMGO makes it easy to add batteries and expand your setup up to 4P4S without turning installation into a complicated project. Build the capacity you need for RVs, Marine, Solar, and Off-Grid applications, and scale up whenever more power is required. Add more. Power more. Keep moving.

12V100Ah LiFePO4  battery for home energy backup scalable up to 4P4S

Temgo 12V100Ah LiFePO4  battery for home energy backup scalable up to 4P4S

Specifications
    Dimensions & Weight 10.24*6.61*8.23 inch / 23.1 LB
    Capacity 100 Ah
    Nominal Voltage 12.8 V
    Energy 1280 Wh
    Recommended Charge Voltage 14.2V - 14.6V
    Recommended Charge Current 20A (0.2C)
    Battery Management System 100A
    Max. Continuous Charge Current 100A
    Max. Discharge Current 100A
    Max. Continuous Load Power 1280W
    Charge Temperature Range -20℃ to 50℃ / -4°F to 122°F
    Discharge Temperature Range -20℃ to 60℃ / -4°F to 140°F
    Storage Temperature Range -10℃ to 50°C / 14°F to 122°F
    Low Temp Cut-off Protection (Discharge) -20℃ ± 4℃ / -4°F ± 7.2°F
    Self Heating Function Lower 0℃ start, reaches 5℃ turn off

Customer Reviews

Based on 9 reviews
67%
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33%
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J
John B Pedrick Jr
So far good cannot get my phone to sink with thebattery

So far good cannot get my phone to sink with the battery

F
Fred Thompson
I absolutely love this battery !!!!! I use it as

I absolutely love this battery !!!!!
I use it as backup to my portable power station

A
Anonymous
Great battery

Easy to order, and so far I love the battery. Works great.

A
Anonymous
Love these batteries

Love these batteries. My ONLY complaint is the 8m bolts provided were not long enough to accommodate the 4 lugs I needed to hook up to my RV.

A
Anonymous
Great battery for the price, thank you!

This battery was my 1st purchase from Temgo and I am very happy with its performance so far. Simple to set up. Love the display on the battery and the app for my phone.

FAQs

What makes this 12V 100Ah LiFePO4 battery suitable for cold-weather use?

This 12V 100Ah Lithium Battery features an integrated self-heating system controlled by the BMS. When the battery is charging below 0°C (32°F), the heating function activates automatically and stops once the battery reaches 5°C (41°F).

Can the battery heat itself before charging in freezing temperatures?

Yes. When connected to a compatible charger, the built-in heating system automatically activates when the battery temperature is below 0°C (32°F). Once the cells reach 5°C (41°F), heating stops and normal charging can continue.

Why is the nominal voltage of a 12V LiFePO4 battery 12.8V?

The 12V 100Ah LiFePO4 Battery uses four 3.2V cells connected in series, resulting in a 12.8V nominal voltage. The battery is called a 12V battery because it is designed for standard 12V electrical systems.

How much power is stored in a 12V 100Ah battery?

At 12.8V nominal voltage and 100Ah capacity, this LiFePO4 battery stores approximately 1,280Wh, or 1.28kWh, of nominal energy.

What type of charger is recommended for this 12V Lithium Battery?

A charger specifically designed for LiFePO4 batteries is recommended. The charging voltage should be 14.2–14.6V, with a recommended charging current of 20A.

Can this 12V 100Ah battery power a trolling motor?

Yes. This 12V 100Ah LiFePO4 Battery is designed for compatible trolling motor applications, including motors rated from 30 to 70 lb of thrust.

Is this 12V Lithium Battery suitable for RV and solar power systems?

Yes. It can be used in compatible RV, camper, marine, off-grid solar, and other 12V power systems where LiFePO4 batteries are supported.

How can I check the battery's operating information?

The integrated LCD touchscreen provides convenient access to battery information, while Bluetooth connectivity allows users to monitor key data such as voltage, current, temperature, and battery status through the app.

What is the expected cycle life of this 100Ah LiFePO4 Battery?

The battery is rated for up to 5,000 charge cycles under appropriate operating conditions. Actual service life can vary depending on charging habits, discharge depth, temperature, and usage.

Can this 12V 100Ah battery be used for backup energy storage?

Yes. Its 1,280Wh nominal capacity makes it suitable for compatible backup power applications, including RV power, solar storage, communication equipment, and other 12V loads.

How many 12V 100Ah batteries can be connected together?

Multiple batteries can be combined in series and parallel configurations, with a maximum system configuration of 4S4P. This allows you to increase both system voltage and total energy capacity when properly configured.