LiFePO4 12V300ah Lithium Ion Battery 10 Years Life Smart BMS Solar Battery

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Product Description

Basic Information

Model NO.
SLPO12-300N
Rechargeable
Yes
Usage
Energy Storage
Rated Voltage
12V
Rated Capacity
300ah
Dimension
320*187*283mm
Weight
26kg
Cycle Life
6000 Cycles at 80% Dod
Design Life
10 Years
Communication
RS485, RS232, CAN
Material
LiFePO4
Standard
CE, IEC, UN38.3

Product Description

SLPO series is a LiFePO4 (lithium iron phosphate) battery pack for backup power application. The battery pack adopts advanced technology with the advantages of long cycle life, small size, lightweight, safety, and environmental protection. It features strong environmental adaptability and an optional Bluetooth function to monitor detailed status via app.

Detailed Specification

ModelSLPO12-300N (12V 300AH Lithium battery)
Capacity (0.5c)300Ah
Related Voltage12.8V
Weight26 Kg
Dimensions483*170*240 mm
Battery MaterialLiFePO4
Cycle Life6000 times @ 0.5C, 80% Capacity
Design Life10 Years
Warranty3 Years
Built-in BMSMonitors internal cells, protects from over-charge, over-discharge, over-temperature, short-circuit.

Core Features

Super Long Cycle LifeOver 6000 cycles at 80% DOD.
Fast Charge CapabilitySupports very fast charging up to 50A.
Low Self DischargeLess than 1% per month at 25°C.
Maintenance FreeCompletely maintenance-free throughout its lifetime.
Smart BMSIntegrated system for balancing, remote communication, and comprehensive protection.
Parallel ConnectionSupports parallel connection to enhance capacity with seamless integration.

Detailed Photos

Profile & Certifications

With over 20 years of manufacturing and exporting experience, the facility covers 70,000 square meters and employs approximately 500 staff members. The production ecosystem includes specialized factories for plate making, battery assembly, and lithium pack production. All critical components such as alloy plates, cases, and terminals are manufactured in-house to ensure rigorous quality, delivery, and cost control.

Our products are ISO9001, ISO14001 approved and carry CE, IEC, VDS, and RISTI certificates.

Maintenance & Safety
  • Regularly check BMS voltage data against actual values (error should not exceed 10mV).
  • Ensure temperature sensors are accurate within 3°C to prevent unsafe charging.
  • Keep contact points clean and free from dust, powder, or metal chips.
  • Never disassemble the battery or allow children to handle it.
  • Keep away from corrosive chemicals, fire, and high-temperature environments.
  • Stop use immediately if casing rupture or swelling occurs.

Frequently Asked Questions

Q1: What is the expected lifespan of the SLPO series battery?
The battery features a 10-year design life at 25°C and offers over 6000 cycles at 80% Depth of Discharge (DOD).
Q2: What safety features does the built-in BMS provide?
The intelligent BMS automatically protects the battery from over-charge, over-discharge, over-temperature, and short-circuits. It also handles cell balancing to prolong battery life.
Q3: How fast can this lithium battery be charged?
The battery supports fast charging capabilities up to 0.5C or 50A, depending on the specific model requirements.
Q4: Can these batteries be used in series or parallel?
Yes, the SLPO12-300N can be connected up to a maximum of 4 units in series or 4 units in parallel to meet different voltage and capacity requirements.
Q5: Is there any maintenance required for this battery?
This series is completely maintenance-free throughout its lifetime, which helps save operational expenses (OPEX) for the user.
Q6: What are the primary applications for this battery?
It is ideal for off-grid energy storage, industrial and commercial energy storage, home backup power, and solar energy systems.

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