TrustFire TR-020
TrustFire TR-020 Universal Battery Charger User Manual
Модел: ТР-020
Увод
The TrustFire TR-020 is a versatile 4-slot universal battery charger designed for a wide range of rechargeable batteries, including Li-Ion/IMR/INR/ICR and Ni-Mh (NiCd) types. It features QC3.0 fast charging via a Type-C USB port and can also function as a power bank. The integrated STN HD display provides real-time charging status for each slot.
This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of your TrustFire TR-020 charger.
Производ је завршенview

This image shows the TrustFire TR-020 universal battery charger with various battery types inserted into its four independent charging slots. The clear STN HD display is visible, showing charging parameters such as voltage and capacity for each slot. A USB-C cable is connected to the charger's input port.

This diagram highlights the key components of the TrustFire TR-020 charger. It points out the 'V' and 'O' buttons for display control, the STN HD liquid crystal display, the USB output port for power bank functionality, and the Type-C input port for charging the unit itself. The four charging slots are also clearly visible.
Кључне карактеристике:
- Универзална компатибилност: Supports a wide range of Li-Ion/IMR/INR/ICR batteries (e.g., 10440 to 32650) and Ni-Mh (NiCd) batteries (AA, AAA, C, D).
- 4 Independent Slots: Each slot features an intelligent and independent circuit, allowing for simultaneous charging of different battery types and sizes.
- QC3.0 Fast Charging: Type-C input supports 18W fast charging (9V QC2.0/QC3.0).
- STN HD Display: Provides real-time charging status including voltage, capacity, temperature, and charging time for each slot.
- Функција Повер Банк: USB output (5V-2.1A, max 2.4A) allows the charger to be used as a power bank to charge small devices when disconnected from power.
- Вишеструке сигурносне заштите: Includes overcharge, deep discharge, anti-reverse, short circuit, and high-temperature protection. Features 0V activation for discharged batteries.
Подешавање и прва употреба
- Распакивање: Carefully remove the TrustFire TR-020 charger, USB cable, and user manual from the packaging.
- Прикључак за напајање: Connect the provided USB cable to the Type-C input port on the charger. Connect the other end of the USB cable to a compatible USB power adapter (e.g., a QC3.0 fast charger for optimal performance) or a computer USB port. The display will illuminate.
- Уметање батерије: Insert compatible rechargeable batteries into the charging slots. Ensure correct polarity (+/-) as indicated on the charger. The charger will automatically detect the battery type and begin charging.
- Initial Display Check: Upon inserting a battery, the STN HD display will show the current status of that slot, including battery type, voltagе, и струја пуњења.
Упутство за употребу
Пуњење батерија:
- Аутоматско откривање: The charger automatically detects the battery type (Li-Ion, Ni-Mh, etc.) and selects the appropriate charging voltagе и струја.
- Надгледање статуса пуњења: The STN HD display shows real-time information for each slot. Press the 'V' button to cycle through different display parameters (voltage, capacity, temperature, charging time) for the selected slot. Press the 'O' button to select the slot you wish to view.
- Завршетак пуњења: The display will indicate when a battery is fully charged. Remove batteries promptly once charging is complete.
Коришћење као Повер Банк:
The USB output function is only activated when the power supply to the charger is disconnected and a charged battery is inserted into one of the slots.
- Искључите напајање: Ensure the Type-C input cable is disconnected from the charger.
- Уметните напуњену батерију: Place a fully charged Li-Ion battery (e.g., 18650, 26650) into any slot.
- Повежите уређај: Connect your smartphone, torch, or other small USB-powered device to the USB output port on the side of the charger. The charger will begin supplying power.

This image illustrates the TrustFire TR-020's capability to function as a power bank. The USB output port is clearly visible, and icons suggest its use for charging a smartphone or other small electronic devices, making it convenient for on-the-go power.
Одржавање
- Чишћење: Use a soft, dry cloth to clean the charger's exterior. Do not use abrasive cleaners or solvents.
- Складиштење: Чувајте пуњач на хладном и сувом месту, даље од директне сунчеве светлости и екстремних температура када се не користи.
- Избегавајте влагу: Не излажите пуњач води или високој влажности.
- Редовна инспекција: Periodically check the USB cable and charger for any signs of damage.
Решавање проблема
| Проблем | Могући узрок | Решење |
|---|---|---|
| Пуњач се не укључује. | No power supply; faulty cable; faulty adapter. | Уверите се да је USB кабл добро повезан. Покушајте са другим USB портом или адаптером за напајање. |
| Батерија се не пуни. | Incorrect battery insertion; non-rechargeable battery; battery too deeply discharged; faulty battery. | Check battery polarity. Ensure battery is rechargeable. The charger has 0V activation for deeply discharged batteries, but some may be beyond recovery. Try a different battery. |
| Display not showing correct information. | Display mode not selected; temporary glitch. | Press 'V' button to cycle through display modes. Disconnect and reconnect power to reset. |
| Функција преносног пуњача не ради. | Charger still connected to power input; insufficient battery charge; non-Li-Ion battery. | Disconnect the Type-C input cable. Ensure a sufficiently charged Li-Ion battery is inserted. |
Спецификације

This image provides a clear overview of the TrustFire TR-020 charger's technical specifications, including input/output voltages and currents, compatible battery types, and physical dimensions. It serves as a quick reference for the charger's capabilities.
- Улазни волtage: ДЦ 5В/9В
- Оутпут Волtage: 4.35В / 4.2В / 3.6В / 1.45В
- Излазна струја:
- 1.5A x 2 (1st/4th slot when 2nd/3rd slot vacant)
- 1A x 4 (each slot charging at the same time)
- 0.5A x 4 (for 1.2V batteries)
- УСБ излаз: 5V - 2.1A (Max 2.4A)
- Компатибилни типови батерија: Li-Ion/IMR/INR/ICR (10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16340, 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 22500, 22650, 25500, 26650, 20700, 21700, 32650); Ni-Mh (NiCd) (AA, AAA, AAAA, C, D)
- Радна температура: -10°Ц до 55°Ц
- Величина производа: 120 к 49 к 152 мм
- Нето тежина: 235г
Гаранција и подршка
For warranty information and technical support, please refer to the official TrustFire website or contact your retailer. Please retain your purchase receipt for warranty claims.
Важна напомена: This charger is not approved for charging non-rechargeable batteries.