【New Version】Timeusb 12V Deep Cycle Battery 140Ah with Low-Temp Protection
Timeusb 12V Lithium Ion Battery 140Ah with Low-Temp Protection
group 31 battery dimensions of 12V 140Ah Lithium Battery
Grade A cell and 100A BMS of 12V 140Ah Lithium Battery
Low-Temp Protection of 12V 140Ah Lithium Battery
12V 140Ah Lithium Battery compare with 12v 100Ah lead-acid battery
12V 140Ah Lithium Battery has large energy storage with same BCI group 31 size
long-lasting power, 12V 140Ah Lithium Battery supports more loads
flexible capacity expansion of 12V 140Ah Lithium Battery
multiple usage scenarios of 12V 140Ah Lithium Battery
Timeusb 12V 140Ah Lithium Battery package content

【New Version】Timeusb 12V Deep Cycle Battery 140Ah with Low-Temp Protection

T12V140-100-BASIC-4-A100N

Regular price $365.99 Sale price$229.99
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2 to 7 business days | Free Shipping across the U.S.

Drop-in Replacement for Group 31 Deep Cycle Battery: Measuring L13 x W6.77 x H8.5 Inches, it perfectly matches the size of a Group 31 battery.

Low-Temperature Protection: Prevents charging below 32℉/0°C, discharging below -4℉/ -20℃, and resumes charging above 41℉/5°C.

Automotive Grade A Battery Cells: Capable of 4,000-15,000 deep discharge cycles and delivering up to 10 years of reliable power.

Internal 100A BMS: 100% safe BMS provides 5 types of protection, namely overcharging protection, over-discharging protection, over-current protection, short circuit protection, and high-temperature protection.

Ultra Compact & High Energy Density: Timeusb lithium battery 140Ah weighs just 28 lbs, 1/2 the weight of a 12V 100Ah lead-acid battery. Compared with Timeusb 100Ah deep cycle battery, it has a high energy density of 64 Wh/lbs.

Flexible Connection Options: Supports the maximum battery connections of 4 in series and 4 in parallel, Easily link in series to create 24V, 36V, or 48V systems. Enables the storage of a massive 28.672kWh of energy utilizing 16 x 12 Volt lithium batteries 140Ah configured in a 4P4S connection.


  • 2 to 7 business days across the U.S.
  • 5 Years Warranty
  • 30 Days Hassle Free Returns

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Special Capacity Battery

Perfect Replacement For Group 31 Battery AGM

Empower Your Ultimate Energy Solutions

Experience excellent performance with the Timeusb 12V 140Ah group 31 deep cycle battery, designed for reliability, durability, and longevity. This IP65 waterproof battery with a 100A max continuous discharge, over 4000 life cycles, and 1.792 kWh of usable energy meets your indoor power demands and elevates your outdoor adventure experience.

Timeusb 12V 140Ah Lithium Battery energy

More Reliable, Affordable, and Safer

Timeusb 12V 140Ah group 31 deep cycle battery applies Automotive Grade A LiFePO4 Cells, supports 4000+ cycles life and a 10-year lifespan, which offers unmatched performance, unbeatable safety, massive power, and longer companionship.

dimensions and warranty of Timeusb 12V 140Ah lithium battery

All Round Safety With Upgraded 100A BMS

Timeusb 12V 140Ah Deep Cycle Battery with group 31 battery size features a built-in 100A BMS with 100% protection against overcharge, discharge, over-current, short circuits, high temp, and low temp. This battery offers a robust 100A continuous and 500A peak discharge, ensuring more reliability and safety on indoor or outdoor installations and applications.

Grade A LiFePO4 cells and 100A BMS of 12V 140Ah Lithium Battery

Advanced Low-Temperature Cutoff Protection

Maximize your energy use with the low-temperature charging cutoff protection. The Timeusb 12V 140Ah Deep Cycle Battery is designed for charging above 32°F, automatically stopping charging below this threshold to prevent damage and resuming charging above 41°F, which keeps you safe and powered up even in the coldest conditions.

Low-Temp protection of 12V 140Ah lithium battery

Ultimate Replacement For Lead Acid Battery

With the same group 31 battery size, Timeusb 12V 140Ah LiFePO4 battery has greater 1792Wh usable energy. At just 28 lbs, this battery is approx. 1/2 the weight of a 12V 100Ah lead-acid battery (about 63 lbs), which is easier to carry, and more convenient to use.

Low-Temp protection of 12V 140Ah lithium battery

Stay Charged, Stay Powerful

Recharge Your Timeusb 140Ah Group 31 battery anytime, anywhere. This battery offers flexible, convenient 4 charging solutions, including compatibility with 12V DC-DC chargers, solar panels via an MPPT controller, generators with AC-DC chargers, and alternators with DC-DC chargers.

4 ways to recharge 12V 140Ah Lithium battery

Upgrade Your Power System To The Next Level

The Timeusb 12V 140Ah lithium-ion battery can be connected up to 4 pcs in series (4S) or 4 pcs in parallel (4P) for greater capacity. With 16 x 12V 140Ah deep cycle batteries in 4P4S, it delivers a substantial 28.672 kWh of energy and 20.48 kW of power. Ideal for high-demand applications!

Flexible energy storage capacity of Timeusb 12V 140Ah Lithium Battery

Unlock Your Imagination, Go Where You Want To Go

This 12V lithium battery is a versatile power solution suitable for various application scenarios. Whether you are setting up a home solar power system, outfitting your RV, van, motorhome, or camping equipment, powering a trolling motor or boat system, or building an off-grid system, this battery provides reliable and efficient performance.

multiple usage scenarios of Timeusb 12V 140Ah Lithium Battery

PACKAGE CONTENTS:

1 x 12V 140Ah LiFePO4 Battery

1 x Quick Start Guide

1 x Product Manual

2 x M8 Terminal Bolts

2 x Plastic Nut Caps

2 x Flat Washers

ATTENTION:

1. A charger is not included.

2. If a bolt is directly fastened or the thickness of the harness OT terminal piece used is less than 2 mm, add a flat washer for fastening.

NOTE:

This battery is not suitable for water pumps, electric jacks, electric stackers/lifts, pool vacuums, or similar loads. If you have any questions, please provide a specific product link, and we will check compatibility for you.

Technical Details

BATTERY
Cell Type:
LiFePO4 Prismatic
Warranty:
5 Years
Cycle Life:
4000 cycles at 100% DOD, 6000 cycles at 80% DOD, 15,000 cycles at 60% DOD
Nominal Voltage:
12.8V
Rated Capacity:
140Ah
Energy:
1792Wh
Max. Expansion (Parallel & Series):
4P (12V 560Ah) / 4S (48V 140Ah) / 4P4S (48V 560Ah)
Internal Resistance:
≤40mΩ
Certifications:
CE/FCC/UL-1973/RoHS
BMS
BMS:
100A
Max. Continuous Output Power:
1280W
Max. Continuous Charge Current:
100A
Max. Continuous Discharge Current:
100A
Surge Discharge Current (1 Second):
500A
CHARGE
Charge Method:
CC/CV
Charge Voltage:
14.4V ± 0.2V
Recommend Charge Current:
28A
TEMPERATURE
Charge Temperature:
32℉ to 122℉ (0℃ to 50℃)
Discharge Temperature:
-4℉ to 140℉ (-20℃ to 60℃)
Storage Temperature:
14℉ to 122℉ (-10℃ to 50℃)
Low-Temperature Protection:
32℉ (0℃)
Low-Temperature Charging Protection Auto Recovery:
41℉ (5℃)
OTHERS
Terminals:
M8 bolts
Weight Approx.:
28 lbs
Size:
L13 x W6.77 x H8.5 in.
Housing Material:
ABS
Protection Class:
IP65

FAQs

Q: Can I use Timeusb LiFePO4 Lithium batteries as starting batteries?

A:

Timeusb LiFePO4 batteries are intended for energy storage and are not suitable for use as starting batteries. They lack the Cold Cranking Amps (CCA) needed for starting applications.

For more details, please refer to the article "Deep Cycle VS Starting Battery."

Q: Can I use the Timeusb 12V Lithium Ion Battery 140Ah for my trolling motor?

A:

Timeusb lithium ion battery 12V 140Ah is compatible with trolling motor thrust between 30 and 70 lbs. If you have additional questions, we can provide you with recommendations based on your needs.

Q: What is the maximum number of Timeusb 12V 140Ah deep cycle batteries that can be connected?

A:

Timeusb 12V battery supports versatile connections including series, parallel and serial-parallel connections. You can connect up to 4 batteries in series (4S), 4 in parallel (4P) or 16 in series-parallel connection (4P4S).

Q: Can I charge Timeusb 12V Lithium Ion Battery 140Ah in cold weather (under freezing temperatures)?

A:

LiFePO4 batteries can be safely charged between 32°F to 113°F (0°C to 45°C). Timeusb 12V Lithium Ion Batteries 140Ah feature low-temperature charging protection, which automatically stops charging when the cell temperature drops below 32°F. This prevents damage to the battery cells when charging in freezing conditions.

Q: How Long Will a 12V 140Ah Battery Last?

A:

The duration of a 12V 140Ah battery depends on the current drawn and the specific application. You can estimate this using the formula:

Battery life (in hours) = Battery capacity (in amp-hours) / Load current (in amperes)

For example, if we assume a load current of 10 amperes:

Battery life = 140Ah / 10A = 14 hours

For example, with a 10-ampere load, you can expect approximately 14 hours of continuous operation. However, the actual duration may vary based on factors such as system efficiency, fluctuations in load current, and the overall condition of the battery.

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