1. Introduction
The Coast Polysteel 600R is a robust and versatile rechargeable LED flashlight designed for durability and high performance. It features a unique Dual Power system, allowing it to operate with either its custom rechargeable lithium-ion battery pack or standard AA alkaline batteries. The rechargeable battery pack also includes a USB charging port for external devices. Built with a stainless steel core and a protective poly outer, this flashlight is engineered to be drop-proof, crush-proof, and waterproof, making it suitable for demanding environments. Its Pure Beam Optics System with twist focus provides adaptable lighting for various situations.
2. Product Features
- Pure Beam Focusing Optic with Twist Focus: Easily switch between a broad flood beam and a focused spot beam.
- Drop Proof and Crush Proof: Engineered for extreme durability in challenging conditions.
- Dual Power System: Operates on a custom Li-ion battery pack or 4 AA alkaline batteries.
- USB Power Out: The custom rechargeable battery pack features a charging port for external USB devices.
- High Light Output: Delivers 530 lumens of light.
- Extended Runtime: Up to 35 hours max runtime on a single charge.
- Waterproof: Rated to IPX8 standard, submersible up to 6 meters.

Figure 2.1: The Coast Polysteel 600R Rechargeable LED Flashlight.
3. Package Contents
Verify that all items listed below are included in your package:
- 1 x Coast Polysteel 600R Flashlight
- 1 x Custom Li-Ion Battery Pack
- 1 x 4x AA Battery Cartridge (AA batteries included)
- 1 x AC Adapter
- 1 x DC Adapter
- 1 x USB Charging Cable

Figure 3.1: All components included with the Polysteel 600R flashlight.
4. Setup
4.1 Battery Installation
The Polysteel 600R features a Dual Power system, allowing you to use either the included rechargeable Li-ion battery pack or the 4x AA alkaline battery cartridge.
- Unscrew the tail cap of the flashlight by turning it counter-clockwise.
- For Li-ion Battery Pack: Insert the rechargeable Li-ion battery pack into the flashlight with the positive (+) end facing towards the head of the flashlight.
- For AA Battery Cartridge: Ensure 4 AA batteries are correctly inserted into the battery cartridge according to the polarity markings. Insert the cartridge into the flashlight.
- Screw the tail cap back on clockwise until it is securely tightened.

Figure 4.1: The Dual Power system allows use of either the Li-ion pack or 4x AA batteries.
4.2 Charging the Li-ion Battery Pack
To charge the custom Li-ion battery pack:
- Remove the Li-ion battery pack from the flashlight.
- Connect the included USB charging cable to the micro-USB port on the battery pack.
- Connect the other end of the USB cable to the AC adapter, DC adapter, or any standard USB power source.
- The indicator light on the battery pack will show charging status (refer to battery pack instructions for specific light indications).
- Once fully charged, disconnect the cable and reinsert the battery pack into the flashlight.

Figure 4.2: The custom Li-ion battery pack is rechargeable and provides 5.75 hours of runtime.
4.3 USB Power Out Feature
The rechargeable Li-ion battery pack can also be used to charge other USB-powered devices.
- Locate the USB-A output port on the rechargeable battery pack.
- Connect your device's charging cable to this port.
- The battery pack will begin charging your device.

Figure 4.3: The USB power out feature allows charging of other devices.
5. Operating Instructions
5.1 Power On/Off and Mode Selection
The Polysteel 600R features a Quick-Cycle Power Switch located on the tail cap to control the flashlight's functions.
- To Turn On/Off: Press the tail switch completely until it clicks.
- To Cycle Modes: With the flashlight on, lightly press the tail switch (without clicking) to cycle through available light modes (e.g., High, Medium, Low). A full click will turn the flashlight off.

Figure 5.1: The Quick-Cycle Power Switch controls available light modes.
5.2 Pure Beam Optics with Twist Focus
The flashlight's head features a twist focus mechanism to adjust the beam from a wide flood to a narrow spot.
- To Adjust Beam: Rotate the head of the flashlight clockwise or counter-clockwise to transition between the Bulls-Eye Spot Beam and the Ultra View Flood Beam.
- Bulls-Eye Spot Beam: Provides a concentrated beam for long-distance illumination.
- Ultra View Flood Beam: Offers a wide, even circle of light for close-range illumination.

Figure 5.2: The twist focusing lens provides two beams in one light.

Figure 5.3: Comparison of Bulls-Eye Spot Beam and Ultra View Flood Beam.

Figure 5.4: The Polysteel 600R provides 530 lumens and a beam distance of 209 meters.
6. Maintenance
6.1 Cleaning
To maintain optimal performance, keep the flashlight clean. Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents. Clean the lens gently with a lens cloth to avoid scratches.
6.2 Battery Care
- If using AA alkaline batteries, remove them if the flashlight will not be used for an extended period to prevent leakage.
- For the Li-ion battery pack, store it in a cool, dry place. Recharge it periodically if not in use to maintain battery health.
6.3 Durability Features
The Polysteel 600R is designed for extreme durability:

Figure 6.1: The Polysteel 600R features durable construction with a waterproof polymer body.

Figure 6.2: The Polysteel 600R is IPX8 waterproof up to 6 meters.

Figure 6.3: The Polysteel 600R is designed to be drop proof.

Figure 6.4: The Polysteel 600R is designed to be crush proof.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. |
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| Light is dim or flickers. |
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| Twist focus mechanism is stiff. |
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8. Specifications
| Feature | Detail |
|---|---|
| Brand | Coast |
| Model Number | Polysteel 600R |
| Light Source Type | LED |
| Brightness | 530 Lumens |
| Beam Distance | 209 Meters (approx.) |
| Power Source | Battery Powered (Li-ion rechargeable or 4x AA alkaline) |
| Battery Cell Composition | Lithium Ion / Alkaline |
| Max Runtime | 35 hours |
| Material | PE (Polymer) with Stainless Steel Core |
| Color | Red |
| Water Resistance Level | Waterproof (IPX8) |
| Item Weight | 0.01 Ounces (approx. 0.28 grams) |
| Product Dimensions | 7.84 x 1.86 x 1.91 inches |
| UPC | 015286205193 |
9. Warranty and Support
The Coast Polysteel 600R Flashlight comes with a Limited Lifetime Warranty. For detailed warranty information, claims, or technical support, please visit the official Coast website or contact their customer service.
You can find more information and support by visiting the Coast Store on Amazon.

Figure 9.1: Coast has been providing quality products for over a century.





