12V 250Ah LiFePO4 Deep Cycle Battery - Long Lasting for Off-Grid & Solar Storage

$440.99$512.9914% OFF

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✓ 5-Year Battery Cell Warranty

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Key Features

Grade-A LiFePO4 Cells — 4000+ Deep Cycles at 80% DoD

Smart 200A BMS — Overcharge, Over-discharge, Short Circuit & Thermal Protection

Maintenance-Free Drop-in Replacement for Lead-Acid Batteries

Wide Temperature Range -20°C to 60°C

Select Option

250AH -14% 250AH $440.99$512.99
300AH -11% 300AH $503.99$566.99

Compare Options

250AH 300AH
250AH300AH
Nominal Voltage12.8V12.8V
Battery Capacity250AH300AH
Discharge Rate0.5C0.4C
Bluetooth--
Price $440.99$512.99 $503.99$566.99

Product Description

Take full control of your power with intelligent BMS protection and optional Bluetooth monitoring.

Why Choose Capacity.Li?

Factory Direct

No middlemen. Superior quality at a better price.

3,000-5,000 Cycle Life

At 80% DOD, far outlasting lead-acid alternatives.

Built-in Smart BMS

Protects against overcharge, over-discharge, short circuit & overheating.

Optional Bluetooth

Connect to your smartphone to monitor voltage, capacity, temperature & more.

IP65 Waterproof Case

Marine-grade, corrosion-resistant, built for harsh environments.

Series & Parallel

Expand to 24V, 36V, or 48V systems easily.

12-Month Warranty

Free parts & technical support included.

Specifications

Chemistry LiFePO4 (Lithium Iron Phosphate)
Nominal Voltage 12.8V (12V system)
Available Capacities 100AH (1280Wh) / 120AH (1536Wh) / 150AH (1920Wh) / 200AH (2560Wh)
Max Continuous Discharge 200A
Cycle Life 3,000-5,000 cycles at 80% DOD
Waterproof Rating IP65
Operating Temperature -20°C ~ 60°C
BMS Protection Overcharge / Over-discharge / Short circuit / Over-temperature
Bluetooth Option Real-time monitoring via smartphone app
Weight ~12 KG
Warranty 12 months (parts & technical support included)

Bluetooth Monitoring (Optional)

Choose the "With Bluetooth" variant to unlock real-time battery monitoring via your smartphone. Track voltage, remaining capacity, temperature, charge/discharge current, and cycle count - all from the palm of your hand.

Perfect For

Solar energy systems RV & motorhomes Marine & trolling motors Off-grid cabins Camping & outdoor power Emergency backup power 48V system expansion Commercial & industrial

Safety Precautions

  • Do not submerge beyond IP65 rating.
  • Keep away from heat sources and open flames.
  • Do not hammer, puncture, or disassemble the battery.
  • Do not short-circuit the terminals.

Package Includes

  • 1x 12V LiFePO4 Battery Pack with built-in BMS & IP65 waterproof case
  • Heavy-duty terminal connectors
  • User manual & installation guide

Need a custom voltage, capacity, or size? Our factory team will build it to your exact specifications.

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Fast Shipping Free over $99
5-Year Warranty On all battery cells
Expert Support 24/7 technical guidance

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