10mm² Pure Copper Flexible DC Cable

Product Description

The 10mm² Pure Copper Flexible DC Battery Cable is a full-gauge, flexible DC power cable designed for reliable battery and electrical connections. Manufactured with a pure copper conductor, it provides excellent electrical conductivity, low resistance and dependable power transfer.

Its flexible multi-strand construction makes it easy to install inside LiFePO4 battery boxes, battery cabinets, solar systems, inverter systems, UPS systems and EV battery packs.

The 10mm² cable is particularly suitable for low-to-medium current battery connections, where flexibility, efficient power transfer and proper cable sizing are important.

Key Features

10mm² Full Gauge

Pure Copper Conductor

Flexible Multi-Strand Construction

Excellent Electrical Conductivity

Low Electrical Resistance

Efficient DC Power Transfer

Suitable for LiFePO4 Batteries

Suitable for Lithium Battery Systems

Suitable for Solar Systems

Suitable for Inverter Batteries

Suitable for UPS Systems

Suitable for Battery Cabinets

Suitable for EV Battery Applications

Easy to Bend and Route

Suitable for BMS & Battery Connections

Suitable for Positive & Negative DC Connections

Technical Specifications

Specification Details

Cable Type Flexible DC Battery Cable

Conductor Material Pure Copper

Cable Size 10mm²

Gauge Full Gauge

Construction Multi-Strand Flexible Copper

Application DC Battery & Power Systems

Polarity Positive (+) / Negative (−)

Battery Chemistry LiFePO4 & Compatible Lithium Batteries

Applications Solar, Inverter, UPS, EV & Energy Storage

Important: Actual current-carrying capacity depends on cable length, insulation rating, ambient temperature, installation method, bundling and allowable voltage drop.

Where Can 10mm² Cable Be Used?

🔋 12V LiFePO4 Batteries

10mm² pure copper cable can be suitable for many 12V-class LiFePO4 battery connections, particularly low-to-medium current applications.

Examples include:

12.8V 27Ah

12.8V 50Ah

12.8V 100Ah

For higher-current 12V applications, 16mm² or 25mm² may be more appropriate depending on the actual current and cable length.

⚡ 24V LiFePO4 Batteries

10mm² cable can be useful for many 24V battery systems where the required current is within the cable's permissible operating range.

Examples:

25.6V 50Ah

25.6V 100Ah

25.6V 200Ah

🔋 48V / 51.2V LiFePO4 Batteries

10mm² cable can be particularly useful for lower-current 48V/51.2V battery applications, because higher voltage requires less current for the same power.

Examples:

51.2V 50Ah

51.2V 100Ah

For high-power inverter systems, cable sizing should be calculated according to the actual DC current.

Example Power Applications

For a 51.2V system with a 3kW load:

3000W ÷ 51.2V ≈ 58.6A

A 10mm² cable may be suitable for some short-run installations around this current, but the final selection must consider cable length, insulation rating, temperature and allowable voltage drop.

For a 12.8V system with the same 3kW load:

3000W ÷ 12.8V ≈ 234A

In this situation, 10mm² would not normally be an appropriate choice for the main battery-to-inverter connection; a substantially larger conductor or appropriately designed parallel conductors would be required.

This demonstrates why cable size should be selected based on current and system voltage, not battery Ah capacity alone.

Suitable LiFePO4 Battery Applications

10mm² cable can be used for appropriately designed:

12V 27Ah LiFePO4 Batteries

12V 50Ah LiFePO4 Batteries

12V 100Ah LiFePO4 Batteries

24V 50Ah LiFePO4 Batteries

24V 100Ah LiFePO4 Batteries

24V 200Ah LiFePO4 Batteries

48V / 51.2V 50Ah LiFePO4 Batteries

48V / 51.2V 100Ah LiFePO4 Batteries

However, the battery's Ah capacity does not determine the cable size by itself. The maximum continuous current, peak current and cable length are the key considerations.

Why Pure Copper?

Pure copper is widely used for battery and DC power connections because of its excellent electrical conductivity.

Advantages

Excellent electrical conductivity

Low electrical resistance

Efficient power transfer

Reduced voltage drop

Good flexibility

Suitable for DC battery applications

Reliable terminal connections

Flexible Multi-Strand Construction

The flexible multi-strand construction makes the 10mm² cable easy to route inside:

Battery boxes

Battery cabinets

Solar systems

Inverter systems

UPS systems

EV battery packs

Energy-storage systems

It can be conveniently routed around BMS terminals, battery terminals, busbars and other DC components.

Suitable Applications

☀️ Solar Energy Storage

Suitable for appropriate DC connections in solar battery and energy-storage systems.

⚡ Inverter Systems

Can be used for suitable battery-side connections where the required current is within the cable's capability.

🔋 Battery Packs

Useful for internal battery wiring, BMS connections and other appropriately rated DC connections.

🏠 Home Backup

Suitable for low-to-medium current battery backup applications.

🚗 EV Applications

Can be used for suitable EV battery wiring where current and thermal requirements are within the cable's capability.

🔌 UPS Systems

Suitable for compatible low-to-medium current DC battery connections.

10mm² vs 16mm² vs 25mm²

Feature 10mm² 16mm² 25mm²

Conductor Pure Copper Pure Copper Pure Copper

Cross Section 10mm² 16mm² 25mm²

Flexibility Excellent Excellent Excellent

Typical Application Low/Medium Current Medium/High Current Higher Current

Space Required Lowest Medium Higher

Cable Weight Lowest Medium Highest

LiFePO4 Use ✅ ✅ ✅

Solar Use ✅ ✅ ✅

Inverter Use ✅ ✅ ✅

High-Power Use Limited Depends on Current Better suited

Simple Selection Guide

10mm²: Low-to-medium current applications

16mm²: Medium-to-higher current applications

25mm²: Higher-current applications

The actual cable size should always be calculated based on current, voltage, cable length and installation conditions.

Installation Recommendations

For safe and reliable installation:

Use correctly sized cable lugs.

Use proper crimping tools.

Install an appropriately rated DC fuse or breaker.

Keep cable runs as short as practical.

Avoid sharp bends close to terminals.

Ensure terminals are properly tightened.

Protect the cable from abrasion and mechanical damage.

Avoid excessive heating or bundling without adequate thermal consideration.

Select cable size according to actual continuous and peak current.

Package Includes

1 × 10mm² Pure Copper Flexible DC Battery Cable

Suitable for appropriate positive (+) and negative (−) DC battery connections.

Important Note

The 10mm² size should not be selected simply based on battery capacity such as 50Ah, 100Ah or 200Ah. The correct cable size depends primarily on the maximum continuous current, peak current, system voltage, cable length, installation method and permissible voltage drop.

For high-power inverter and battery applications, calculate the required cable size before installation.