24V-GT10-LTE Cordless Lightweight Grass Trimmer Sun Joe® 24V-GT10-LTE Cordless Grass Trimmer | Product GuideNo strings attached.The Sun Joe® 24V-GT10-LTE Cordless Grass Trimmer is a lightweight, stringless grass trimmer designed for cutting grass and weeds, trimming around areas a mower cannot reach, and edging along flowerbeds, sidewalks, and walkways. Its interchangeable nylon grass blade system cuts a 10-inch path without the hassle of tangled trimmer line.🔋 24V iON+ Battery 🌱 10 in. Cutting Path 🪶 3.3 lb Net WeightMeet the 24V-GT10-LTE Key Components✋Handle — main grip for operating the trimmer🔒Safety lock button — must be pressed before squeezing the On/Off switch▶️On/Off switch — starts and stops the trimmer🔋Battery compartment — holds the 24V iON+ lithium-ion battery🖐️Auxiliary handle — adjustable for comfort and control🔧Auxiliary handle knob — loosens or locks the auxiliary handle position🧩Onboard blade storage — stores the included replacement grass blades🌿Nylon grass blade — stringless cutting blade for grass and weeds🛡️Safety guard — helps protect from thrown objects⚙️Blade hub — holds the nylon grass blade in place🔌24V charger — charges the included 24VBAT-LTE battery💡Battery indicators — show remaining battery charge levelTechnical SpecificationsSpecification24V-GT10-LTEProduct TypeCordless grass trimmerMotor550 WBattery Voltage Max24V D.C.Nominal Voltage21.6V under typical loadBattery Capacity2.0 AhCharger Input100–240V AC | 50–60 Hz | 50 WCharger Output25.2V D.C. | 1400 mACharge Time Max1 hr 20 minCutting Diameter10 in. / 25.4 cmRotorPA66 nylon grass bladeTotal Blades Included11 nylon grass bladesNet Weight3.3 lbs / 1.5 kgBest UseMedium-sized lawns, trimming grass, weeds, flowerbeds, walkways, and hard-to-reach areasWarranty2 Year WarrantyWhat's in the BoxIncluded ItemDetailsGrass trimmer lower pole assembly✔Grass trimmer upper pole assembly✔ with 10 replacement grass blades and onboard storage assembledSafety guard✔Safety guard screw✔24V iON+ lithium-ion battery✔ 24VBAT-LTE24V iON+ lithium-ion battery charger✔ 24VCHRG-ACManual with registration card✔Safety First🚫 Do not use steel blades, metal line, nylon line, wire, rope, or other substitutes. Use only the original nylon grass blade type designed for this trimmer.🛡️ The safety guard must be installed before use. It helps protect the operator and bystanders from thrown objects.⚠️ Keep bystanders, children, and pets at least 50 ft / 15 m away. Stones and debris can be picked up by the blade and thrown during operation.👓 Wear protective gear. Use safety glasses, hearing protection, gloves, snug-fitting clothing, and non-slip footwear.🌧️ Do not use in rain or wet conditions. Keep the trimmer, battery, and charger dry.🦶 Keep hands and feet away from the cutting area. The blade continues rotating for a few seconds after the switch is released.Battery + Charger Guide🔋 Charge before first use. The included battery is only partially charged and requires about 1 hr 20 min to fully charge before first use.Battery IndicatorMeaning3 LEDs litBattery charge level is high2 LEDs litBattery charge is decreasing; stop work as soon as possible1 LED litBattery is flat; stop immediately and charge the batteryRemove the batteryPress the push lock buttons on both sides of the battery and pull the battery pack out of the equipment.Plug in the chargerCheck that the outlet voltage matches the charger rating, then plug the charger adapter into an appropriate AC outlet.Connect the charger to the batteryInsert the charger plug into the battery charge socket. The battery LEDs will twinkle and illuminate one by one while charging.Unplug when completeWhen all 3 LEDs are illuminated, unplug the charger from the outlet first, then disconnect the charger from the battery.⚠️ The charger does not automatically turn off. Do not leave the battery connected to the charger for days on end. Unplug when charging is complete.Assembly🚫 Do not insert the battery until assembly is complete. This helps prevent accidental starting.1PolesConnect upper and lower pole.›2CollarTighten the pole collar.›3GuardInstall safety guard.›4BatteryInsert battery when ready.Connect the polesInsert the upper pole assembly into the lower pole assembly.Secure the pole connectionScrew the pole collar onto the thread to secure the upper and lower poles together.Install the safety guardFit the safety guard into the groove on the motor housing.Fasten the safety guardHold the blade hub in place and use the safety guard screw to secure the guard.Starting + Stopping⚠️ Clear the work area before trimming. Remove stones, sticks, wire, glass, concrete, metal, wood, and other hidden objects that may be thrown by the blade.Insert the batterySlide the battery into the battery compartment at the back of the machine until it clicks into place.Start the trimmerPress and hold the safety lock button, then squeeze the On/Off switch.Release the safety lockOnce the machine runs steadily, release the safety lock button while continuing to hold the On/Off switch.Stop the trimmerRelease the On/Off switch. Wait for the blade to come to a complete stop, then remove the battery.Adjusting the Auxiliary HandleTurn off and remove the batteryWait until the blade has fully stopped before adjusting the handle.Loosen the handleRotate the auxiliary handle knob counterclockwise.Adjust positionSlide the auxiliary handle along the upper pole as needed.Adjust anglePivot the handle to the preferred angle for comfort and control.Lock the handleRotate the knob clockwise until the handle is secure.Trimming Tips🚫 Keep the trimmer away from your body. Maintain at least 2 ft of clearance between any body part and the bladed trimmer head.⚠️ Protect the blade and hub. Keep at least 1 ft of clearance between the blade and nearby objects such as sidewalks, fencing, posts, siding, buildings, or other immovable objects.1Inspect the bladeCheck the blade before each use and during long use. Replace it if bent, warped, cracked, chipped, or damaged.2Keep the blade below waist levelMaintain a firm grip and keep the blade away from your body while trimming.3Let the blade stop fullyAfter releasing the switch, keep control of the trimmer until the blade has completely stopped rotating.4Do not touch the moving bladeNever attempt to stop the blade by hand.Replacing the Trimmer Blade🚫 Stop the unit and remove the battery before changing the blade. Do not use steel blades, wire, string, rope, or other substitutes.Remove the batteryTurn off the unit, wait for the blade to stop, and remove the battery from the compartment.Remove the worn bladeMove the worn blade inward until the blade peg is in the larger hole. The blade should detach easily.Install the new bladeFit the blade peg into the larger hole of the new blade.Lock the bladePull the new blade outward until the peg locks into the smaller hole.🌿 Replacement blade model: GT10-GBLD-20PK replacement blades are available as a 20-pack.Cleaning + Maintenance🚫 Always turn off the trimmer and remove the battery before maintenance. Wear protective gloves during cleaning and blade replacement.1Clean after each useRemove grass and soil from the trimmer and safety guard after each cutting operation.2Keep air vents clearDuring operation, keep ventilation vents clean and free from grass.3Use gentle cleaning toolsUse a cloth soaked with hot water and a soft brush to clean the trimmer.4Do not spray with waterDo not wet or spray the appliance with water.5Avoid detergents and solventsChemical agents can damage plastic parts. Do not use detergents, solvents, gasoline, paint thinner, ammonia, or similar cleaners.Storage1Clean thoroughlyClean the grass trimmer before storing.2Store in a dry, safe placeKeep the trimmer in a stable, dry location out of reach of children.3Do not rest it on the guardHang the trimmer by the upper handgrip so the safety guard does not touch anything. Resting the guard against a surface may alter its shape.Battery + Charger Off-Season Storage🔋 Store the battery and charger at room temperature away from moisture. Recharge the battery every 6 months to about 50% capacity, shown as 2 lights on.⚠️ Avoid extreme temperatures. Do not store the battery or charger where temperatures may exceed 105°F / 40.5°C. Battery packs stored below 32°F / 0°C for more than 60 minutes must be discarded.Troubleshooting GuideUse these quick checks for common 24V-GT10-LTE concerns. Always turn off the trimmer, remove the battery, and wait for the blade to stop before inspecting, cleaning, adjusting, or replacing parts.🔴 Trimmer Will Not StartPossible CausesBattery not fully seatedBattery charge too lowStart sequence not followedBattery protection cutoff activatedSolutionsRemove and reinsert the battery until it clicks into placeCheck battery LEDs and recharge if neededPress and hold the safety lock button, then squeeze the On/Off switchIf the unit stopped from overload, allow the battery/tool to cool before retrying🔋 Battery Runs Down QuicklyPossible CausesHeavy weeds or overgrown grassBattery not fully chargedBattery stored for a long period without chargingSolutionsWork at a steady pace and avoid forcing the trimmerFully charge the battery for about 1 hr 20 minRecharge every 6 months to 50% during storage🔌 Battery Will Not ChargePossible CausesCharger not plugged into a proper outletCharger plug not fully connected to the battery charge socketBattery too hot or too coldBattery deeply discharged or damagedSolutionsConfirm the outlet is workingReconnect the charger plug to the battery charge socketCharge only at room temperatureIf battery shows damage, swelling, hissing, cracking, or abnormal behavior, stop use and route to support🌿 Blade Does Not Cut WellPossible CausesBlade is wornBlade is bent, cracked, chipped, or damagedGrass or debris buildup around guard or blade hubSolutionsReplace the worn blade with one of the included replacement bladesDo not use damaged bladesRemove the battery and clean grass/soil from the trimmer and guard🛡️ Guard IssuePossible CausesSafety guard not installed correctlyGuard was stored resting against a surfaceGuard damaged during use or storageSolutionsConfirm the guard is seated in the groove on the motor housingConfirm the safety guard screw is secureDo not operate without the safety guard installedRoute to support if the guard is damaged or deformed⚠️ Excessive Vibration or NoisePossible CausesDamaged bladeBlade not locked onto the blade peg correctlyDebris caught near the blade hubSolutionsStop immediately and remove the batteryInspect the blade for cracks, chips, warping, or damageReinstall the blade so the peg locks into the smaller holeClean debris from the blade area using safe tools onlyOptional AccessoriesItemModel24V iON+ 2.0 Ah lithium-ion battery24VBAT-LTE24V iON+ 2.5 Ah lithium-ion battery24VBAT-LT24V iON+ 4.0 Ah lithium-ion battery24VBAT24V iON+ 5.0 Ah lithium-ion battery24VBAT-XR24V iON+ lithium-ion battery quick charger24VCHRG-QC24V iON+ lithium-ion battery dual port charger24VCHRG-DPCReplacement blades, 20 packGT10-GBLD-20PKSnow Joe® + Sun Joe® universal wall bracketSJWBVideo GuideFrequently Asked QuestionsIs the 24V-GT10-LTE a string trimmer?It is a stringless grass trimmer. It uses disposable nylon grass blades instead of trimmer line.What is the cutting width?The cutting diameter is 10 inches / 25.4 cm.How many blades are included?A total of 11 nylon grass blades are included: 1 installed blade and 10 replacement blades stored onboard.Can I use metal blades or trimmer line?No. Do not use steel blades, wire, string, rope, metal line, or nylon line. Use only the original nylon grass blade type designed for this trimmer.How long does the battery take to charge?The included 24V battery takes approximately 1 hr 20 min to charge.Does the charger turn off automatically?No. The charger does not automatically turn off when the battery is fully charged. Unplug the charger when all 3 battery LEDs are illuminated.How do I start the trimmer?Insert the battery until it clicks into place. Press and hold the safety lock button, then squeeze the On/Off switch. Once the motor runs steadily, release the safety lock button.How do I replace the blade?Turn off the unit, remove the battery, move the worn blade inward until the peg reaches the larger hole, remove the blade, then install a new blade and pull it outward until the peg locks into the smaller hole.Can I use it in wet grass or rain?No. Do not use the trimmer in rain, damp, or wet locations. Keep the tool, battery, and charger dry.How should I store the trimmer?Clean the trimmer thoroughly and store it in a dry, safe place out of reach of children. Hang it by the upper handgrip so the safety guard does not rest against anything.What warranty does it have?The 24V-GT10-LTE includes a 2-year limited warranty for ordinary household use when purchased from Snow Joe/Sun Joe or an authorized seller with proof of purchase. Related articles 96V-Q4-SB24 Cordless 2-Stage Snow Blower