1. Tuote ohiview
The Shutao 4-Channel 18650 Battery Capacity Tester is designed for comprehensive analysis of 18650 lithium batteries. It features four independent channels, allowing simultaneous charging, discharging, and capacity testing. This device also includes internal resistance measurement and automatic cycling functions to optimize battery performance and assess health.

Kuva 1: Yliview of the Shutao 4-Channel 18650 Battery Capacity Tester. This image shows the device from an angled perspective, highlighting the four battery slots, the central cooling fan, and the display screen.
2. Pakkauksen sisältö
Varmista, että pakkauksessasi on kaikki tarvittavat osat:
- 1 x 18650 Lithium Battery Capacity Tester Module
3. Komponenttien tunnistaminen
Familiarize yourself with the various components and interfaces of the tester.

Kuva 2: Labeled diagram of the tester's components. This image provides a top-down view of the device with numbered labels pointing to specific parts for easy identification.
- Type-C 5V Power Supply Interface (Input 1)
- Type-C 5V Power Supply Interface (Input 2)
- Channel 1 Battery Holder
- Channel 2 Battery Holder
- Channel 3 Battery Holder
- Channel 4 Battery Holder
- Channel 1 External Terminal
- Channel 2 External Terminal
- Channel 3 External Terminal
- Channel 4 External Terminal
- Jäähdyttimen tuuletin
- Monitorinäyttö
- Menu /M Key
- Adjust /S Key
- Start/Stop /R/S Button
- Channel /CHN Key
- CHN1/1 Channel Status Indicator
- CHN2/2 Channel Status Indicator
- CHN3/3 Channel Status Indicator
- CHN4/4 Channel Status Indicator
The display provides real-time information during operation:

Kuva 3: Display interface explanation. This image shows a close-up of the tester's screen, with numbered labels indicating what each displayed value represents.
- Reaaliaikainen Voltage
- Reaaliaikainen virta
- Cumulative Capacity (mAh)
- Accumulated Energy (mWh)
- Battery Internal Resistance (mR)
- Cumulative Running Time
- Kanavan ilmaisu
- Status Indicator (e.g., STA:STOP)
- Mode Menu (e.g., MODE:AUTO)
- Pysäytä purkausmäärätage
- Cycles (LOOP)
4. Asennus
- Virtaliitäntä: Connect the tester to a 5V DC power source using one of the two Type-C interfaces. An adapter and cable are typically included.
- Akun asennus: Insert flat-top 18650 batteries into the designated battery holders (3, 4, 5, 6). Ensure correct polarity (+ and -). The tester supports flat-top 18650 batteries.
- Stabilointi: After installing a battery, allow a few seconds for the voltage and internal resistance readings on the display to stabilize before proceeding with tests.
5. Käyttöohjeet
The tester allows for independent operation of its four channels.

Kuva 4: Display and control buttons. This image provides a detailed view of the tester's screen and the four control buttons located below it, used for navigation and operation.
5.1. Basic Navigation and Channel Selection
- Käytä Channel /CHN Key (16) to switch between the four independent channels (CHN 1 to CHN 4).
- The Menu /M Key (13) is used to enter or exit menu settings.
- The Adjust /S Key (14) is used to change values or select options within a menu.
- The Start/Stop /R/S Button (15) initiates or terminates a test cycle.
5.2. Automatic Charge and Discharge Cycles
The tester supports fully automatic charging and discharging cycles (1-9 cycles adjustable in auto mode).
- Valitse haluamasi kanava käyttämällä Channel /CHN Key.
- Paina Menu /M Key siirtyäksesi tilavalintaan.
- Käytä Adjust /S Key to select 'AUTO' mode.
- Adjust the number of cycles (LOOP: 1-9) using the Adjust /S Key tarvittaessa.
- Paina Start/Stop /R/S Button to begin the automatic cycle. The charging process automatically stops when the battery is full.
5.3. Internal Resistance Measurement
The device utilizes the DC two-wire method to provide reference internal resistance values.
- For the most accurate reading, measure internal resistance when the battery is fully charged.
- The internal resistance value is displayed as 'mR' on the screen (5).
5.4. Setting Stop Discharge Voltage
You can choose from 11 stop-discharge voltage levels (2.5V to 3.5V).
- Valitse haluamasi kanava.
- Enter the menu using the Menu /M Key.
- Navigate to the 'STOP' voltage -asetus.
- Käytä Adjust /S Key to select the desired stop discharge voltage (2.5V, 2.6V, ..., 3.5V).
- Vahvista asetus ja poistu valikosta.
5.5. Tärkeitä käyttöohjeita
- Discharge current is fixed at a maximum of approximately 1A (non-adjustable, non-constant current).
- Lataus voltage is fixed at 4.2V.
- Tämä testaaja on ei ole yhteensopiva with LiFePO4 batteries.
6. Turvallisuustiedot
The device incorporates several safety features to ensure safe operation:
- Ylikuumenemissuoja: The integrated radiator fan (11) and internal sensors help prevent the device from overheating during operation.
- Automaattinen virrankatkaisu: Settings are automatically saved in case of power loss.
- Charge Cutoff: Automatic charge cutoff prevents overcharging of batteries.
- Purkamisen pysäytys: Configurable stop discharge voltage prevents over-discharging.
Always ensure correct battery polarity when inserting batteries to prevent damage to the device or batteries.
7. Huolto
- Pidä laite puhtaana ja pölyttömänä. Käytä puhdistamiseen pehmeää, kuivaa liinaa.
- Avoid exposing the tester to moisture or extreme temperatures.
- Ensure the cooling fan (11) is not obstructed to maintain proper airflow.
- Säilytä laitetta kuivassa, viileässä paikassa, kun sitä ei käytetä.
8. Vianmääritys
- Internal Resistance Readings Appear High at Low Voltages: If internal resistance readings seem unusually high, reinstall the battery. This can often provide a more accurate measurement.
- Laite ei käynnisty: Ensure the Type-C power cable is securely connected to a functional 5V DC power source. Try a different cable or adapter if necessary.
- Akkua ei havaittu: Verify that the battery is correctly inserted with the correct polarity and that it is a compatible 18650 flat-top lithium battery.
9. Tekniset tiedot
| Ominaisuus | Erittely |
|---|---|
| Merkki | Shutao |
| Malli | B0FSZYNBRH |
| Akkuyhteensopivuus | 18650 Flat-Top Lithium Batteries (Not compatible with LiFePO4) |
| Kanavat | 4 itsenäistä kanavaa |
| Virransyöttö | Dual Type-C, DC 5V |
| Lataus Voltage | Kiinteä 4.2V |
| Purkausvirta | Max ~1A (Fixed, non-adjustable, non-constant current) |
| Pysäytä purkausmäärätage | Adjustable (2.5V to 3.5V, 11 levels) |
| Automaattiset jaksot | 1-9 cycles (Adjustable in AUTO mode) |
| Sisäisen resistanssin testi | DC Two-Wire Method |
| Mukana olevat komponentit | Battery capacity tester module |

Kuva 5: Device dimensions. This image shows the length and width of the tester, indicating measurements of 147mm (5.78 inches) and 102mm (4.00 inches).
10. Takuu ja tuki
For warranty information and technical support, please refer to the seller's policies or contact the manufacturer directly. Specific warranty details are not provided in this manual.