The compact 2-in-1 ANCEL BT521 combines a precise car battery tester and an intelligent charger in one. It offers battery health diagnostics, alternator testing, and cranking capacity, as well as 8-stage smart charging with temperature compensation for 12V batteries (WET, MF, Ca/Ca, AGM, GEL). With IP65 protection and a clear LCD display, it’s ideal for workshops and demanding users alike.
The ANCEL BT521 is a reliable helper for testing, charging, and maintaining 12V car batteries. Advanced tests reveal the true state of charge, cranking performance, and overall battery condition, including alternator and load tests. Smart charging with temperature compensation automatically adjusts voltage and current to prevent overcharging in heat and undercharging in freezing conditions.
Thanks to its IP65 rating, comprehensive protections (reverse polarity, short circuit, overvoltage, overheating, overload), and intuitive controls with a bright LCD display, operation is as safe as it is convenient. The Fn Quick Start function enables rapid access to the most common tests and charging modes, saving time in the shop and on the road.
- Versatile tests: state of charge, SOH/CCA, load test, alternator test
- 8-stage charging: standard, fast, maintenance/float, regeneration/repair
- Wide compatibility: 12V WET, MF, Ca/Ca, AGM, GEL
- Safe operation: IP65, protection against reverse polarity, short circuit, overvoltage, and overheating
- Clear controls: bright LCD display and quick Fn access
Specifications
- Manufacturer
- ANCEL
- Model
- BT521
- Input voltage
- 100–240 V AC, 50–60 Hz
- Supported battery types
- 12 V (WET, MF, Ca/Ca, AGM, GEL)
- Charging voltage
- 14.4 V, 14.7 V, 15.8 V
- Operating modes
- Standard charging, fast charging, battery test, maintenance, repair/regeneration
- Protection
- IP65 (dust- and water-resistant), protection against overheating, overload, reverse polarity, and short circuit
- Additional features
- Alternator test, load test, temperature compensation, Fn Quick Start, LCD display
