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Ampere Time 12V 300Ah, 3840Wh LiFePO4 Battery & Built in 200A BMS

$1,249.99 $1,099.99SAVE 12%

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  • 3.84kWh | Ultra-Powerful Capacity: With 100% usable capacity of 3.84 kWh, Ampere Time 12V 300Ah lithium battery built to power your passion from morning to night, no more worry about power shortage.
  • 2560W | Higher Output, More Fun: 2560W output meets your power supply needs of most higher-power electrical appliances.
  • Grade A Cells | 8× Longer Life: Ampere Time LiFePO4 battery provides 4000+ deep cycles & a 10-year lifetime, extending the battery lifespan by 8× more than the lead-acid batteries.
  • 100% Protection | Using without Risk: Ampere Time 12V 300Ah lithium battery builds in 200A BMS to protect from overcharging & discharging, over current, short circuit, and over temp. Green energy, non-toxic.
  • 61.44 kWh Max. Energy Expansion: Ampere Time 12V 300Ah supports max 4P4S connection to reach up to 61.44kWh (40.96kW), perfect for your off-grid solar system, permanent boondocking, RV trip, backup power, etc.


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Never Have to Worry About Running Out of Power

“Ampere Time 12V 300Ah LiFePO4 battery provides you adquate power, imagine that you warm up burritos in the microwave then crisp them in the toaster while watching TV without even a single concern.”

We Have Plenty of Power for All Major Appliance

We have plenty of power for refrigerator, and all major appliances including a hair dryer, coffee maker and convection oven.

Strong Output Meets Your Colorful Life

Up to 61.44kWh Energy Expansion

Ampere Time 12V 300Ah Lithium batteries support up to Max 4S4P connections to get more energy up to 40.96kWh.

S:Series; P: Parallel
Different scenarios require different battery systems, please consult the Ampere Time service team(service@amperetime.com) for a customized system solution.

Great Battery for Full Time Off Grid Living!

It is Built Top-notch and Compact

Built-in 200A BMS: Protect from overcharge, over-discharge, overcurrent, and short circuit with excellent self-discharge rate.

Grade A LiFePO4 Cells: Highest-level safety based on UL Testing Certificate for the cell inside the battery, with higher energy density, more stable performance & greater power.

IP65 Protection Class: Made with quality ABS plastic, has a wide range of operating temp: Charge: 0°C to 50°C(32°F to 122°F); Discharge: -20°C to 60°C(-4°F to 140°F), IP65 level waterproof set you free from worrying to install indoors or outdoors.

*NOTE: Do not charge below 0℃; Do not use it as a start battery (such as trolling motor and golf cart),please contact service@amperetime.com for a better solution.

3 Recommend Charging Ways

A variety of charging modes, let you easily enjoy green energy

Born for Long-term Electricity Supply

What's Inside the Box?

Never Have to Worry About Running Out of Power

“Ampere Time 12V 300Ah LiFePO4 battery provides you adquate power, imagine that you warm up burritos in the microwave then crisp them in the toaster while watching TV without even a single concern.”

We Have Plenty of Power for All Major Appliance

We have plenty of power for refrigerator, and all major appliances including a hair dryer, coffee maker and convection oven.

Strong Output Meets Your Colorful Life

Up to 61.44kWh Energy Expansion

Ampere Time 12V 300Ah Lithium batteries support up to Max 4S4P connections to get more energy up to 40.96kWh.

S:Series; P: Parallel
Different scenarios require different battery systems, please consult the Ampere Time service team(service@amperetime.com) for a customized system solution.

Great Battery for Full Time Off Grid Living!

It is Built Top-notch and Compact

Built-in 200A BMS: Protect from overcharge, over-discharge, overcurrent, and short circuit with excellent self-discharge rate.

Grade A LiFePO4 Cells: Highest-level safety based on UL Testing Certificate for the cell inside the battery, with higher energy density, more stable performance & greater power.

IP65 Protection Class: Made with quality ABS plastic, has a wide range of operating temp: Charge: 0°C to 50°C(32°F to 122°F); Discharge: -20°C to 60°C(-4°F to 140°F), IP65 level waterproof set you free from worrying to install indoors or outdoors.

*NOTE: Do not charge below 0℃; Do not use it as a start battery (such as trolling motor and golf cart),please contact service@amperetime.com for a better solution.

3 Recommend Charging Ways

A variety of charging modes, let you easily enjoy green energy

Born for Long-term Electricity Supply

What's Inside the Box?

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Ampere Time 12V 300Ah, 3840Wh LiFePO4 Battery & Built in 200A BMS

$1,249.99 $1,099.99