pengenalan
The ANCEL BT521 is a versatile 3-in-1 device designed for comprehensive 12V lead-acid battery care. It integrates professional charging, accurate testing, and restorative maintenance functions into a single unit. This manual provides detailed instructions for safe and effective operation of the BT521.
Maklumat Keselamatan
Always prioritize safety when working with batteries and electrical equipment. Failure to follow safety guidelines may result in injury or damage to the device or battery.
- Ensure proper ventilation when charging batteries to prevent gas accumulation.
- Pakai peralatan pelindung diri yang sesuai, termasuk pelindung mata dan sarung tangan.
- Avoid sparks or flames near the battery during charging.
- Sambungkan bateri clamps correctly: red to positive (+), black to negative (-). Reverse polarity protection is built-in, but correct connection is always recommended.
- Do not attempt to charge frozen or severely damaged batteries.
- Keep the device away from water and moisture. The BT521 has an IP65 rating for splash resistance, but it is not fully submersible.
- Disconnect the AC power before disconnecting the battery clamps.
Produk Selesaiview
The ANCEL BT521 features an intuitive LCD display and user-friendly controls for easy operation.

Komponen utama:
- paparan: LCD screen for real-time feedback and menu navigation.
- Lampu Penunjuk Pengecasan: Menyala semasa pengecasan.
- Lampu Penunjuk Ralat: Menerangi jika berlaku ralat.
- Unattended Mode Indicator Light: Indicates the device is in maintenance mode.
- Kunci Atas: Menavigasi ke atas dalam menu atau meningkatkan nilai.
- Kekunci Turun: Menavigasi ke bawah dalam menu atau menurunkan nilai.
- Kunci Belakang: Returns to the previous screen or cancels an action.
- Kunci OK: Mengesahkan pemilihan atau memasuki menu.
- "Fn" Key: Function key for special operations.
- Red (+)/Black (-) Clamps: For connecting to battery terminals.
- Palam Kuasa: For connecting to an AC power outlet.
Persediaan
Follow these steps to prepare your ANCEL BT521 for use:
- Sambungkan Bateri Clamps: Lekatkan cl (+) merahamp ke terminal bateri positif dan penutup hitam (-)amp to the negative battery terminal. Ensure a secure connection.
- Sambung ke Kuasa: Plug the device's power plug into a standard AC power outlet. The device will power on automatically.
- Paparan Awal: The LCD screen will display the main menu or current battery status.

Mod Pengendalian
The ANCEL BT521 offers multiple operating modes for comprehensive battery management.
1. Ujian Bateri
This mode provides a detailed analysis of your battery's health and performance.
- From the main menu, select 'Battery Test'.
- Follow on-screen prompts to input battery type (e.g., Regular Flooded, AGM, GEL) and CCA rating.
- The device will display results including State of Health (SOH), State of Charge (SOC), Cold Cranking Amps (CCA), internal resistance (R), and voltage (VOL).
- The display will indicate if the battery is 'Good', 'Good-Recharge', 'Replace', or 'Bad Cell'.

2. 8-Stage Pengecasan Pintar
The BT521 utilizes an advanced 8-stage charging process to safely and efficiently charge 12V lead-acid batteries, even deeply discharged ones (down to 1V).
- Desulfation: Breaks down lead-sulfate crystals.
- Permulaan lembut: Gently introduces power to deeply discharged batteries.
- Caj Pukal: Charges the battery to approximately 80% capacity.
- Penyerapan: Charges the battery to 100% at a decreasinarus g.
- Menganalisis: Menguji bateri untuk memastikan ia mengecas.
- Repair (Pulse Repair Technology): Actively breaks down sulfate crystals to restore lost capacity and extend battery lifespan.
- Terapung: Maintains the battery at 100% charge without overcharging.
- nadi: Provides periodic pulses to keep the battery optimized during long-term connection.

3. Maintenance (Unattended Mode)
Once fully charged, the BT521 automatically switches to an unattended maintenance mode, ensuring your battery remains at an optimal charge level without overcharging.
- The device intelligently monitors the battery and provides small charges as needed.
- Ideal for long-term storage of vehicles or batteries.
- Pulse Repair Technology helps extend battery lifespan by actively reducing sulfation.

4. Ujian Cranking
Evaluates the performance of your vehicle's starting system.
- From the main menu, select 'Cranking Test'.
- Follow on-screen instructions to start the engine.
- The device will measure cranking voltage and time, indicating if the cranking performance is normal.
5. Ujian Alternator
Checks the charging system of your vehicle to ensure the alternator is functioning correctly.
- From the main menu, select 'Alternator Test'.
- Follow on-screen instructions to rev the engine and turn on/off electrical loads.
- The device will measure loaded and unloaded voltage, and ripple, to determine if the alternator is charging normally.
6. Pampasan Suhu
The BT521 features built-in auto-temperature compensation to optimize charging performance across a wide range of environmental temperatures (-25℃ to 75℃).
- Prevents overcharging in hot conditions and undercharging in cold conditions.
- Ensures optimal battery health and longevity year-round.

Keserasian Sejagat
The ANCEL BT521 is compatible with all 12V lead-acid batteries, making it a versatile tool for various applications.
- Supported battery types include: AGM, GEL, SLA, Flooded, and Deep-Cycle.
- Suitable for use with cars, motorcycles, trucks, boats, ATVs, RVs, lawnmowers, and more.

Menyelesaikan masalah
If you encounter issues with your ANCEL BT521, refer to the following common troubleshooting tips:
- "Check Connection" Error: Pastikan cl bateriamps are securely attached to the correct battery terminals (red to positive, black to negative). Clean any corrosion from the terminals.
- Tiada Paparan/Kuasa: Verify the power plug is securely connected to a live AC outlet. Ensure the battery has at least 1V for the device to power on for testing.
- Bateri Tidak Dicas: Confirm the correct battery type and CCA rating are selected in the device settings. Check for any fault indicators. If the battery is severely damaged or has a bad cell, it may not accept a charge.
- Inaccurate Test Results: Ensure the battery is at a stable temperature and has rested for a period after use or charging before performing a test. Input the correct battery parameters.
Spesifikasi
| Spesifikasi | Nilai |
|---|---|
| Jenama | Ancel |
| Model | BT521 |
| Input Voltage | 12 Volt |
| Keluaran Voltage | 12 Volt |
| Penilaian Semasa | 5 Amps |
| Berat Barang | 2.46 paun |
| Dimensi Produk | 7.09 x 11.22 x 3.74 inci |
Video Produk Rasmi
The following videos provide additional guidance and demonstrations for the ANCEL BT521.
ANCEL BT521 | Triple the Power. Single Device.
Video ini memberikan penamatview of the ANCEL BT521's 3-in-1 functionality, showcasing its capabilities as a battery charger, tester, and maintainer in a single device.
BT521 Smart Charging
A short demonstration highlighting the smart charging features of the BT521.
Dead Car/Drone Batteries? Ultimate Power Rescue
This video demonstrates the BT521's capability to revive deeply discharged batteries, including those from cars and drones.
Waranti dan Sokongan
For warranty information and customer support, please refer to the documentation included with your product or visit the official ANCEL webtapak. Pelan perlindungan tersedia untuk dibeli secara berasingan bagi melanjutkan perlindungan untuk peranti anda.





