Description

The FNIRSI HS-03 is a 10W cordless soldering iron powered by a removable 2600mAh 18650 lithium battery, designed for electronics repair, SMD work, prototyping, and field use where a mains-powered station is unavailable or impractical. It heats to working temperature in approximately 7 seconds and covers a temperature range of 100 to 450°C (212 to 842°F) with 1°C precision adjustment, controlled through a PID temperature regulation chip that maintains stable tip temperature under varying thermal loads.

The HS-03 operates in two power modes: fully cordless on its internal 18650 battery, or wired via USB Type-C input for uninterrupted operation when a power source is available. Five quick-preset temperature levels allow fast switching between commonly used temperatures without stepping through the full adjustment range. A 0.96-inch IPS color display provides real-time readout of set temperature, actual tip temperature, power source status, and operating mode.

The unit ships with three F210-compatible tip types: a K-tip (knife blade) pre-installed, an I-tip (extra sharp), and an IS-tip (bent hook), covering the range of common soldering tasks from general through-hole work to fine SMD rework. The 18650 battery is removable, allowing the user to swap in a charged cell for extended sessions without waiting for the iron to recharge.

For repair technicians and electronics hobbyists in Karachi doing on-site work, house calls, or bench repairs where wall power is shared or unreliable, the HS-03 provides a stable, portable soldering solution with professional temperature control in a form factor that fits in a storage box small enough for a tool bag.

Why Choose the FNIRSI HS-03?

Cordless soldering irons sold in Pakistan at the entry level typically use gas cartridges or fixed-output heating elements with no temperature control, making them unsuitable for precision electronics work. The HS-03 addresses that gap with a PID-controlled 10W heating system, 1°C adjustment resolution, and a wide 100 to 450°C range that handles everything from SMD component removal to general wiring work. The removable 18650 battery is a practical advantage over sealed-battery designs — a spare cell can be charged on a separate charger and swapped in without downtime. USB-C corded mode means the iron can also run continuously from a power bank or USB adapter, making it genuinely versatile across workshop and field use scenarios.

FEATURES

Heats to working temperature in approximately 7 seconds for fast startup and minimal wait time between tasks.

Temperature range of 100 to 450°C (212 to 842°F) with 1°C precision adjustment covers delicate SMD work through higher-temperature soldering applications.

Advanced PID temperature control chip maintains stable tip temperature under thermal load, reducing fluctuation during continuous soldering.

Dual power mode: operates fully cordless on the internal 2600mAh 18650 battery, or continuously wired via USB Type-C input.

Removable 18650 battery design allows the user to swap in a charged replacement cell for extended sessions without recharging downtime.

Five quick-preset temperature levels (ranging 480 to 840°F) allow instant switching between commonly used temperatures for faster workflow.

Smart auto-sleep and standby system with customizable timers — sleep from 0.5 to 60 minutes, standby from 1 to 60 minutes — to extend tip life and conserve battery.

0.96-inch IPS HD color display provides real-time readout of set and actual tip temperature, power source status, and operating mode.

Left and right-hand mode support with adaptive button logic for comfortable use by either hand.

F210 precision tip system (2.10 ohm core) delivers high thermal response for small components and fine SMD work.

Ships with three tip types: K-tip (knife blade), I-tip (extra sharp), and IS-tip (bent hook), covering a range of common soldering tasks.

Compact and lightweight at approximately 134g with a silicone grip for comfortable extended use.

Includes a storage box for safe transport and protection of tips and accessories.

SPECIFICATIONS

Model: HS-03
Power output: 10W (max)
Working voltage: 5V
Temperature range: 100 to 450°C (212 to 842°F)
Temperature adjustment resolution: 1°C
Temperature control: PID chip
Heating time: Approximately 7 seconds
Battery: 2600mAh 18650 lithium (removable)
Power input: USB Type-C
Display: 0.96-inch IPS HD color screen
Soldering tip type: F210
Weight: Approximately 134g
Operating temperature: -5°C to 40°C
Storage humidity: Up to 80% relative humidity
Warranty: 2 years (direct purchase via fnirsi.com); 30-day return and refund guarantee
Includes: HS-03 host with 2600mAh battery and K-tip, pen cap, I-tip and IS-tip, screwdriver, USB cable, storage box