Specification Brand : ANCEL BulletPoint1 : 3-in-1 SOLUTION: Combines charger, tester and maintainer into one intelligent device, saving up to 75% space and boosting efficiency by 80%. Cuts 240 in equipment costs. Outperforms traditional single-use chargers and testers—an investment in faster, smarter and more cost-effective work BulletPoint2 : BATTERY CHARGING: Smarter than just a Charger, BT521 Equipped with 8-stage smart charging technology to revive deeply discharged batteries down to 2V and restore batteries affected by sulfation or long-term storage. It delivers a stable output with low ripple and minimal heat, which helps reduce wear on the battery and extend its overall lifespan. Restore the old, strengthen the new BulletPoint3 : BATTERY TESTING: With smart chip and heavy-duty alligator clips for >99.6% accuracy. Instantly check battery healyh(SOH), voltage, current, and internal resistance with one easy tap. Minimize false readings, detect issues early, and prevent costly downtime. Take control of battery health—move from reactive fixes to proactive management BulletPoint4 : BATTERY MAINTENANCE & REPAIR: High-frequency pulses help break down lead sulfate crystals which may restore electrode activity and improve battery capacity by up to 90%. The unique maintenance mode clears buildup during charging to help prevent long-term damage. Regular use can extend battery life 2-3 times and reduce replacement costs BulletPoint5 : SAFETY PROTECTION: Built-in temperature control chip auto-adjusts charging (-25℃-75℃) to prevent overheating in summer and undercharge in winter, 5-way electrical safeguards and durable flame-retardant design work together to prevent reverse-connection, over-voltage, over-current, short-circuit, overheating, even in harsh conditions BulletPoint6 : USABILITY: Plug-and-play design eliminates pre-calibration, just connect to power and clamp electrodes for 3-second auto-start. The LCD screen tracks real-time voltage, charging progress, and battery health with intuitive visuals. Streamlined operation meets robust protection, optimizing charging efficiency and extending battery lifespan BulletPoint7 : COMPATIBILITY: Designed for ALL 12V lead-acid batteries: AGM, GEL, SLA, Flooded, Deep Cycle, Marine and so on. Supports cars, motorcycles, boats, ATVs, SUVs, RVs, trailers, lawnmowers, mopeds, classic cars, and more. Whether you're testing or charging—it’s the one tool for every job Color : Beige CurrentRating : 5 amps ExternallyAssignedProductIdentifier1 : 761771784840 ExternallyAssignedProductIdentifier2 : 0761771784840 GpsrSafetyAttestation : 1 InputVoltage : 12 volts ItemName : ANCEL BT521 3-in-1 Car Battery Charger, Tester and Maintainer for 12V Lead-Acid Batteries, 5A Smart Trickle Charger and Desulfator with Overcharge Protection & Temperature Compensation, LCD Display ItemPackageDimensions_Height : 28.0924 centimeters ItemPackageDimensions_Length : 9.1948 centimeters ItemPackageDimensions_Width : 18.6944 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : auto-battery-testers Manufacturer : ANCEL Material : Polyester ModelName : 32”L x 32”W x 24”H ModelNumber : 32”L x 32”W x 24”H NumberOfItems : 1 OutputVoltage : 12 volts Pattern : Solid ProductDescription : ANCEL BT521 12V Battery Charger ProductSiteLaunchDate : 2024-12-23T09:32:07.797Z Size : 32”L x 32”W x 24”H StrapType : Drawstring Style : Durable SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 26111729 WarrantyDescription : 1 year WaterResistanceLevel : waterproof