Sun Joe 24V-ST14 Cordless Trimmer + Edger

Thank You for Your Purchase!

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For customer support, contact HELP@SHOPJOE.COM or call 1-866-225-9723.

Disclaimer: Initial no-load voltage, when fully charged, peaks at 24V; nominal voltage under typical load is 21.6V.

Safety Instructions

All operators must read these instructions before use. Keep this manual in a safe place for future reference.

General Machine Safety Warnings

DANGER! Indicates a hazardous situation that, if not followed, will result in serious injury or death.

WARNING! Indicates a hazardous situation that, if not followed, could result in serious injury or death.

CAUTION! Indicates a hazardous situation that, if not followed, could result in minor or moderate injury.

1. Work Area Safety

• Keep work area clean and well lit.
• Do not operate in explosive atmospheres (flammable liquids, gases, dust).
• Keep children and bystanders away.

2. Electrical Safety

• Use matching plugs and outlets; do not modify plugs.
• Avoid contact with earthed surfaces (pipes, radiators).
• Do not operate in rain or wet conditions.
• Do not abuse the cord; keep it away from heat, oil, sharp edges.
• Use a suitable extension cord for outdoor use.
• Use a residual current device (RCD) in damp locations.

3. Personal Safety

• Stay alert, use common sense; do not operate when tired or under the influence of drugs/alcohol.
• Use personal protective equipment (eye protection, dust mask, safety shoes, hard hat, hearing protection).
• Prevent unintentional starting: ensure the switch is OFF before connecting power or battery, picking up, or carrying.
• Remove any adjusting key or wrench before starting.
• Do not overreach; maintain proper footing and balance.
• Dress properly: no loose clothing or jewelry; keep hair away from moving parts.
• Use dust extraction facilities if provided.
• Do not let familiarity lead to complacency.

4. Machine Use and Care

• Use the correct machine for the application.
• Do not use if the switch does not operate correctly.
• Disconnect power/battery before adjustments or storage.
• Store out of reach of children; do not let untrained persons operate.
• Maintain machine and accessories; repair if damaged.
• Keep cutting tools sharp and clean.
• Use accessories and tool bits according to instructions.
• Keep handles and grasping surfaces dry and clean.

5. Battery Tool Use and Care

• Recharge only with the specified manufacturer's charger.
• Use only designated battery packs.
• Keep battery packs away from metal objects when not in use to prevent short circuits.
• Avoid contact with ejected battery liquid; flush with water if contact occurs.
• Do not use damaged or modified battery packs or tools.
• Do not expose battery packs or tools to fire or excessive temperatures (above 130°C / 265°F).
• Follow all charging instructions and temperature ranges.

6. Service

• Have machine serviced by a qualified repair person using identical replacement parts.
• Never service damaged battery packs; only manufacturer or authorized providers.

Lawn Trimmer and Lawn Edge Trimmer Safety Warnings

• Do not use in bad weather, especially during lightning risk.
• Inspect area for wildlife before use.
• Remove stones, sticks, wires, bones, and other foreign objects from the cutting area.
• Inspect cutter and assembly for damage before use.
• Keep guards in place and ensure they are properly mounted.
• Keep cooling air inlets clear of debris.
• Wear eye and ear protection.
• Wear non-slip, protective footwear; do not operate barefoot or in open sandals.
• Wear clothing that covers legs (trousers).
• Keep bystanders away from thrown debris.
• Do not operate above waist height.
• Exercise caution in wet grass; walk, do not run.
• Do not operate on excessively steep slopes.
• When working on slopes, maintain footing, work across the face, and exercise caution when changing direction.
• Keep power cords and cables away from the cutting area.
• Keep body parts away from the moving cutter/line; disconnect power before clearing material.
• Carry the machine switched off and away from your body.
• Use only specified replacement cutting heads, cutters, or lines; do not use metal wires or blades.

CAUTION! The trimmer line spool will continue to rotate after turning the trimmer OFF. Wait until it stops completely.

• Only use the same type of line originally provided.
• Do not use to cut grass not in contact with the ground.
• Do not switch ON in enclosed or poorly ventilated spaces, or near flammable/explosive substances.
• User is responsible for damage to third parties.
• Only cut during daylight or with adequate artificial light.
• Do not cross roads or gravel paths while running.
• Store in a dry place, out of reach of children.
• Operate in a vertical position, perpendicular to the ground.
• Check screws regularly.

Battery + Charger Safety Instructions

IMPORTANT! Incorrect use and poor care of high-performance batteries are main factors for personal and/or product damage.

• Use only approved replacement batteries.
• Do not use damaged or modified battery packs or appliances.
• Have machine serviced by a qualified repair person using identical replacement parts.
• Charge only with the specified Sun Joe® charger.
• Avoid dangerous environments (rain, snow, damp, wet locations, explosive atmospheres).
• Charge in a well-ventilated area; do not block charger vents; no smoking or open flames.
• Safe temperature range for battery: 41°F – 105°F (5°C – 40.5°C).
• Maintain charger cord: pull plug, not cord; keep cord away from heat, oil, sharp edges; do not use damaged cords.
• Use extension cords only if absolutely necessary and ensure they are properly wired and in good condition.
• Charger 24VCHRG-QC is rated for 120 volt AC only.
• Use only recommended attachments.
• Unplug charger when not in use.
• WARNING! To reduce electric shock risk, unplug charger before cleaning/maintenance; do not allow water into charger; use GFCI.
• Do not burn or incinerate battery pack; toxic fumes and materials are created.
• Do not crush, drop, or damage battery pack.
• Do not disassemble battery packs; incorrect reassembly poses risks.
• Battery chemicals cause serious burns; avoid contact with skin, eyes, mouth.
• Do not short circuit battery terminals.
• Store battery pack and charger in a cool, dry place (below 105°F / 40.5°C).

Information about the battery

• Battery pack is partially charged; charge fully before first use.
• For optimum performance, avoid low discharge cycles; charge frequently.
• Store battery pack in a cool place (77°F / 25°C) charged to at least 40%.
• Lithium-ion batteries age naturally; replace when capacity drops to 80%.
• Do not throw battery pack into fire; risk of explosion.

Information about the charger and charging process

• Check charger rating plate for voltage; connect to matching power supply.
• Protect charger and cord from damage.
• Electrical plugs must match outlets.
• Keep charger, battery pack, and tool out of reach of children.
• Do not use supplied charger for other tools.
• Allow battery pack to cool to room temperature before charging after heavy use.
• Do not overcharge batteries; do not exceed maximum charging times.
• Do not charge batteries if suspect they have been stored for over 12 months without charging.
• Charging below 41°F (5°C) can cause chemical damage and fire.
• Do not use batteries exposed to heat during charging.
• Do not use batteries with curvature or deformation.
• Never fully discharge battery pack (max recommended discharge is 80%).

Protection from environmental influences

• Protect tool and charger from moisture and rain.
• Do not use near vapors and flammable liquids.
• Use only in dry conditions and ambient temperature of 41°F – 105°F (5°C – 40.5°C).
• Do not store charger in hot places (e.g., car in sunshine).
• Protect batteries from overheating (overloads, overcharging, direct sunlight).
• Store charger and tool in dry locations (41°F – 105°F / 5°C – 40.5°C); store battery pack cool and dry (77°F / 25°C).
• Prevent battery pack from freezing; discard if stored below 32°F (0°C) for over 60 minutes.
• Be wary of electrostatic charge when handling batteries.

Safety Symbols

Know Your Cordless Trimmer + Edger

Familiarize yourself with the location of controls and adjustments by comparing your trimmer + edger to the illustration below.

Key Components:

• 1. Battery compartment
• 2. Handle grip
• 3. Trigger switch
• 4. Safety lock button
• 5. Upper pole
• 6. Auxiliary handle
• 7. Auxiliary handle knob
• 8. Telescoping locking coupler
• 9. Lower pole
• 10. Trimmer/edger head locking button
• 11. Multi-angle head adjustment button
• 12. Safety guard
• 13. Edger guide wheel
• 14. Spool housing
• 15. Cutting line
• 16. Edger guide + flower guard
• 17. Line cutter
• 18. Motor housing
• 19. 24V* IONMAX™ lithium-ion battery (24VBAT)
• 20. Push lock button (2)
• 21. Battery indicator
• 22. Push button for battery indicator
• 23. 24V* IONMAX™ lithium-ion quick charger (24VCHRG-QC)
• 24. Charger plug

Technical Data

*Initial no-load voltage, when fully charged, peaks at 24 volts; nominal voltage under typical load is 21.6 volts.

IMPORTANT! The equipment and packaging material are not toys. Do not let children play with plastic bags, foils, or small parts. These items can be swallowed and pose a suffocation risk!

Battery Pack Operation

The equipment is powered by a lithium-ion battery, which is sealed and maintenance-free.

Battery Charge Level Indicator

Press the button on the battery pack to check the charge level via the LEDs:

• 3 LEDs lit: Battery charge level is high.
• 2 LEDs lit: Battery charge level is decreasing. Turn off the trimmer + edger as soon as possible.
• 1 LED lit: Battery is flat. Turn off the trimmer + edger IMMEDIATELY and charge the battery to avoid shortening its service life.

Unpacking

Carton Contents:

• Cordless trimmer + edger
• Safety guard
• Safety guard screws (2)
• Auxiliary handle
• Edger guide wheel
• Edger guide + flower guard
• 24V* IONMAX™ lithium-ion battery
• 24V* IONMAX™ lithium-ion battery charger
• Manual

1. Carefully remove and check all items.

2. Inspect for damage during shipping. If parts are damaged or missing, contact All Season Power customer service at 1-866-225-9723. Do not return to the store.

Keep shipping carton and packaging material until ready to use. Dispose of properly or save for storage.

Charger Operation

WARNING! Charge only 24V* IONMAX™ lithium-ion battery packs with the compatible 24V* IONMAX™ lithium-ion charger. Other types of batteries may cause injury and damage.

Do not allow water to flow into the charger's AC/DC plug.

When to Charge the 24VBAT Lithium-Ion Battery

The 24VBAT lithium-ion battery pack does not develop a "memory" from partial discharge. It is not necessary to run it down before charging.

• Use battery indicator lights to determine when to charge.
• You can "top-off" your battery pack's charge before or after a long day of use.

Charging the Battery

1. Push lock buttons on the battery to remove it from the compartment (Fig. 1).
2. Ensure mains voltage matches the charger's rating plate. Plug the charger into the wall outlet. The top right green light will illuminate and stay green (Fig. 2).
3. Place the battery pack into the charger. The top right green light will turn off, and the top left red light will illuminate, indicating charging (Fig. 3).
4. When the charger light turns green, the battery is fully charged (Fig. 3).

A fully discharged pack with normal internal temperature will charge in 1 hr 50 mins (between 32°F/0°C and 113°F/45°C).

5. If indicators do not light up, ensure the battery pack is fully seated. Remove and reinsert. If the problem persists, contact an authorized dealer or All Season Power customer service at 1-866-225-9723.

6. When charging is complete, remove the battery by sliding it backward.

Assembly

WARNING! Do not insert the battery until assembly is complete to prevent accidental starting and injury.

Fitting the Safety Guard

WARNING! The safety guard must be properly installed for protection from thrown objects.

1. Remove the battery pack.
2. Slide the safety guard tabs into the trimmer head slots and push until it clicks into place (Fig. 4).
3. Lay the trimmer on the ground with the head facing upward. Secure the safety guard with the provided screws (Fig. 5).

Never use the tool unless the safety guard is properly installed.

Fitting the Edger Guide + Flower Guard

1. Lightly spread the edger guide + flower guard while approaching the motor housing.
2. Fit the curved parts into the slot on the motor housing and release (Figs. 7 & 8).

Fitting the Edger Guide Wheel

1. Mount the edger guide wheel by sliding it from above and pressing firmly into place (Fig. 6).

Fitting the Auxiliary Handle

1. Adjust the auxiliary handle to a comfortable working position (Fig. 9).
2. Close the cover and insert the bolt into the opening (Fig. 10).
3. Turn the handle knob clockwise to tighten and secure the auxiliary handle (Fig. 11).

Operation

Starting + Stopping

Ensure the trimmer is not contacting any object before starting.

1. Slide the battery pack into the compartment until it snaps into position (Fig. 12). IMPORTANT! Ensure the battery pack is secured before operation.
2. To turn ON: Press and hold the safety lock button, then squeeze the trigger switch. Release the safety lock button once the machine powers on (Fig. 13).
3. To turn OFF: Release the trigger switch. Remove the battery from the compartment (Fig. 13). WARNING! Always remove the battery pack during breaks and after finishing work.

Telescoping Pole Adjustment

1. Disconnect the trimmer + edger by removing the battery pack.
2. Turn the telescoping locking coupler clockwise to unlock the pole (Fig. 14).
3. Adjust the pole to the desired length. Push poles together to shorten, pull apart to lengthen. Only extend to the minimum length needed (Fig. 15).
4. Lock the telescoping pole by turning the coupler counter-clockwise (Fig. 14).

Trimming

• Wear non-slip gloves for grip and protection. Hold the trimmer with your right hand on the rear handle and left hand on the auxiliary handle. Position the rear handle at hip height, with the trimmer head parallel to the ground.
• For best cutting action, move slowly, cutting with the tip of the nylon line. Do not force the trimmer, as this reduces efficiency and may overload the motor.
• Avoid dragging the trimmer and spool hub on the ground.
• Trim only when grass and weeds are dry.
• Cut tall grass from top down to prevent wrapping around the head.
• If grass wraps around the string head: Stop the trimmer, remove the battery, remove the grass.

WARNING! Always hold the trimmer away from your body. Contact with the cutting head can cause serious injury.

WARNING! Remove stones, loose pieces of wood, and other objects from the cutting area. The cutting line rotates briefly after switching off; let the motor stop completely before resuming operation.

CAUTION! Always wear eye protection.

1. The correct cutting angle is parallel to the ground.
2. Slowly swing the trimmer from side to side (Fig. 17).
3. Do not overload; take small "bites" of grass from top to bottom for better speed and efficiency (Fig. 18).

Adjusting Multi-Angle Trimming Head

1. Press the multi-angle head adjustment button to select one of four positions (0°, 15°, 30°, 45°) (Fig. 19).
2. Press the trimmer/edger head locking button, then turn the trimmer head to 90 degrees (Figs. 20 & 21).
3. Reinstall the battery. Press the safety lock button and then the trigger.
4. Hold the trimmer comfortably with steady arms. Moving your body rather than your arms will result in straighter cuts.

Edging

1. To convert from trimming to edging, turn OFF the tool and remove the battery.
2. Remove the edger guide + flower guard if it obstructs the cutting line from contacting the soil.
3. Move the unit backward when edging around edges to avoid damage.

Advancing Cutting Line

NOTE: The trimmer uses 0.063 in. (1.6 mm) diameter nylon line. Line wear is faster on abrasive surfaces or with heavier weeds.

1. Turn off the tool and remove the battery.
2. Press the brake button and pull the cutting line until it reaches the length of the safety guard (Fig. 23).
3. Continue trimming and edging.

WARNING! Do not trim near electrical wires.

WARNING! Do not operate in a tree, on a ladder, or on a scaffold.

WARNING! Do not bump the unit on the ground to feed line.

Maintenance

WARNING! Remove the battery before inspecting parts.

WARNING! Wear protective gloves during maintenance. Do not perform maintenance when the motor is running or hot.

• Cutting line can dry out; store spare spools or bulk line in a resealable bag with a tablespoon of water.
• Never use water or chemical cleaners; wipe clean with a dry cloth.
• Plastic parts can be cleaned with mild soap and a damp rag.
• Store in a dry place; keep away from liquids.
• Keep motor ventilation slots clean.

IMPORTANT! For safety and reliability, use only identical replacement parts. Contact an authorized dealer or All Season Power customer service at 1-866-225-9723 for assistance.

Replacing the Spool + Clearing Jams and Tangled Lines

WARNING! Remove the battery before changing the cutting line.

WARNING! Never use metal-reinforced line, wire, or rope, as these can break off and become dangerous projectiles.

NOTE: Use 16.4 ft. (5m) single-line replacement spool (model 24V-ST14-SPOOL). Always use recommended nylon cutting line with a diameter no more than 0.063 in. (1.6 mm).

1. Press both release tabs on the spool cover and remove it (Figs. 24 & 25).
2. Lift and remove the spool from the hub (Fig. 26). Clean out old line, jams, dirt, and grass residue.
3. Re-insert the spool or a new pre-wound spool into the hub (Fig. 26).
4. Insert each line end through its eyelet on the hub and gently press the spool down (Fig. 27).
5. Reinstall the spool cover by depressing release tabs into slots and pushing down until it clicks (Fig. 28).

Winding the Line

NOTE: Self-winding is not recommended as improper winding can cause auto-feed malfunction. Purchase pre-wound spools.

1. Turn off and remove the battery. Ensure the spool has stopped.
2. Remove the spool from the trimmer hub (refer to previous section).
3. Measure and cut a 16.4 ft (5m) piece of new cutting line. Insert the end into the small hole inside the spool (Fig. 29).
4. Bend the line 180 degrees around the hole. Wind the line according to the arrows on the spool, using slight tension (Figs. 30 & 31).
5. Re-install the spool as instructed in steps 3 to 5 of "Replacing the Spool + Clearing Jams and Tangled Lines".

CAUTION! Catapulted pieces of nylon line may cause injury.

WARNING! Pay attention to the winding direction.

NOTE: Always replace the spool with a new pre-wound spool. Purchase at shopjoe.com.

Storage

• Clean the trimmer + edger thoroughly before storing.
• Store in a stable, safe position out of reach of children, in a dry place with moderate temperature.
• When storing, do not rest against the floor. Hang by the upper handgrip so the guard does not touch anything, to prevent permanent alteration of its shape.

Battery Caution + Disposal

• Dispose of battery pack according to federal, state, and local regulations. Contact a recycling agency.
• CAUTION! Even discharged batteries contain energy. Cover terminals with electrical tape before disposal to prevent shorting.
• WARNING! Never burn or incinerate battery packs; toxic fumes and materials are emitted.
• Install only new batteries of the same type.
• Do not mix old and new batteries.
• Do not mix different battery chemistries (Alkaline, Carbon-Zinc, NiCad, NiMH, Lithium-Ion).
• Do not dispose of batteries in fire.
• Batteries should be recycled or disposed of according to guidelines.

Service and Support

For service or maintenance, call the All Season Power customer service center at 1-866-225-9723.

Model and Serial Numbers

When contacting the company, provide the model and serial numbers found on the unit's housing. Record them below:

Model #: 24V-ST14

Serial #:

Troubleshooting

Optional Accessories

WARNING! ALWAYS use only authorized replacement parts and accessories. Using unauthorized items can be dangerous and cause injury or mechanical damage.

Accessories are subject to change. Order online at shopjoe.com or by phone at 1-866-225-9723.

All Season Power Customer Promise

All Season Power LLC is dedicated to customer satisfaction. This Limited Warranty ("Warranty") covers defects in material or workmanship for two years from the date of delivery for ordinary household use, when purchased from an authorized seller with proof of purchase.

Our Warranty: All Season Power will elect to (1) send a free replacement part, (2) replace the Product, or (3) repair the Product.

Product Registration: Register your product online at shopjoe.com/register, by mail, or by calling 1-866-225-9723. Registration is encouraged but does not affect warranty rights.

Who Can Seek Limited Warranty Coverage: This Warranty extends to the original purchaser and owner.

What Is Not Covered: Commercial use, non-household or rental applications, products from unauthorized sellers, cosmetic changes not affecting performance, and wearing parts (belts, augers, chains, tines).

Certified Authentic: Use only CERTIFIED AUTHENTIC Snow Joe®, Sun Joe®, Aqua Joe®, or Auto Joe® replacement parts and accessories to avoid voiding the warranty.