FOXWELL BC521 2-in-1 Battery Charger & Tester, Test Before Charging 12V 5A

• 2-IN-1 BATTERY CHARGER & TESTER — Stop guessing what your battery needs. FOXWELL BC521 combines a 5A car battery charger and 12V battery tester, helping you check battery condition before charging. It also supports trickle charging, battery maintenance, and pulse repair for complete 12V lead-acid battery care. Compatible with AGM, GEL, EFB, and flooded batteries in cars, SUVs, motorcycles, ATVs, RVs, boats, and lawn equipment
• TEST BEFORE YOU CHARGE OR REPLACE — When your vehicle is slow to start or will not start, use the Foxwell battery tester checks CCA, voltage, internal resistance, SOH, SOC, cranking performance, and alternator output directly on the screen. Match the battery type, rating and standard to the battery label, then follow the on-screen prompts. Clear results help you decide the next step: continued use, charging and retesting, or further inspection before replacement
• SMART 8-STAGE CHARGING & LONG-TERM MAINTENANCE — Basic 2-3 stage chargers that force-feed batteries, cause overheating, and shorten lifespan. The 8-stage smart battery charger intelligently adjusts power to match your battery's condition, delivering precise, gentle charging that eliminates overcharging and overheating risks. The auto battery charger automatically switches to Unattended Mode when full, keeping your vehicles ready to go for long-stored cars, pre-trip RVs, motorcycles, boats, and lawn equipment
• PULSE REPAIR WITH RESULTS YOU CAN CHECK — Pulse repair helps reduce sulfation buildup in weak or long-stored 12V lead-acid batteries, while the built-in tester helps you decide whether to continue charging, repeat repair, or replace the battery. This car battery trickle charger cannot restore physically damaged or completely failed batteries
• FOLLOW THE SCREEN. CHARGE WITH PROTECTION — LCD screen, LED indicators, one-touch FN key control, and history records of this car battery tester charger helps you follow charging, testing, and battery status without guesswork. Built-in protection helps guard against reverse polarity, sparks, overheating, and overcharging. IP65-rated and flame-retardant for garage, driveway, workshop, and outdoor battery care. For 12V lead-acid batteries only, not for lithium, 6V, 24V, not a jump starter
• TEMPERATURE COMPENSATION AND LOW-RIPPLE OUTPUT — This 8-stage smart car battery charger can automatically adjusts voltage for hot or cold conditions to protect batteries from overcharging or undercharging. Low-ripple output delivers gentle charging to extend battery life and ensure safe, efficient charging with selectable 1A, 3A, or 5A currents
• COMPACT AND DURABLE DESIGN — Measures 190 x 74 x 58 mm with a 150 cm long cable, featuring flame-retardant housing and IP65 waterproof rating for safe use indoors or outdoors. Includes BC521 host, manual, and carrying case for convenient storage and portability

Specifications

• Color: Black
• Product Dimensions: 7"D x 11.22"W x 3.5"H
• Output Voltage: 12 volts_of_direct_current
• Specification Met: UL, CE, FCC, IEC
• Input Voltage: 120 volts_of_alternating_current
• Current Rating: 1.25 A
• Amperage: 5 A
• Compatible Devices: 12V lead-acid batteries (AGM, GEL, EFB, Flooded) for cars, SUVs, ATVs, motorcycles, RVs, boats, and lawn mowers
• Connector Type Used on Cable: 100-240V~AC/50-60Hz
• Number of Ports: 1
• Item Dimensions D x W x H: 7"D x 11.22"W x 3.5"H
• Mfr Part Number: FOXWELL BC521 Battery Charger and Tester