BTS04 Bluetooth Smart Battery Capacity Tester User Manual

1. Introduction

The BTS04 Bluetooth Smart Battery Capacity Tester is a versatile device designed for precise measurement and analysis of various battery types, including 18650 and 21700 lithium batteries. It offers multiple operating modes, comprehensive safety features, and advanced data management capabilities through PC software and mobile app connectivity.

BTS04 Bluetooth Smart Battery Capacity Tester with batteries and accessories — The BTS04 tester, showing its four battery slots, control panel, and various supported battery sizes (10400, 14500, 16340, 18650, 21700, 26650, Polymer Pouch cells).

2. Key Features

High Precision Detection: Ensures accurate measurement of battery performance, including precise internal resistance testing.
Three Operating Modes: Supports Charging, Discharging, and Cycling modes for flexible testing.
Efficient Cooling: Built-in high-speed fan and hollow design for intelligent and fast heat dissipation.
Multiple Protections: Includes reverse connection, overcharge, over-discharge, and temperature control protection.
Multi-Interface Display: Provides list, single-channel, result, and curve interfaces for comprehensive data visualization.
Energy Recovery & Reuse: Converts discharging energy from some channels into charging energy for others, improving efficiency and reducing external power dependence.
PC Software & Mobile App: Supports data synchronization and smart management via PC software and Bluetooth-enabled mobile app (for BT Edition models).
DIY Modifications: Designed to support custom expansions and modifications using green terminal blocks.
High-Definition Color Display: Provides clear and detailed information.
Supports Independent Charging/Discharging: Allows for flexible testing of individual battery channels.
Automatic Charge-Discharge Cycling: Simplifies battery reconditioning and testing.

Icons representing core strengths of the BTS04 tester — Visual representation of the BTS04's core strengths, including energy recovery, multiple protections, and smart connectivity.

Diagram illustrating energy recovery and reuse in the BTS04 tester — The smart energy management system converts discharging energy from channels 1 and 2 into charging energy for channels 3 and 4.

Diagram showing comprehensive safety protections of the BTS04 tester — Comprehensive safety features include Reverse Polarity, Overcharge, Over-Discharge, and Temperature Control Protection.

3. Packing List

Please check the contents of your package upon receipt. The exact contents may vary slightly depending on the specific BTS04 model (Standard, BT Edition, BT Edition with Large Memory).

Battery tester (Main Unit) x 1 (batteries not included)
Type-C Data Cable x 1
User Manual x 1
2-pin Green Terminal x 4
Charger (default US plug) x 1

Contents of the BTS04 product package — All items typically included in the BTS04 package.

4. Setup Instructions

Unpack the Device: Carefully remove the BTS04 Battery Capacity Tester and all accessories from the packaging.
Connect Power: Plug the provided charger into a suitable power outlet and connect the DC output to the power input port on the tester. The tester requires a 12V 2A power supply.
Insert Batteries: Insert compatible 3.7V lithium batteries (e.g., 18650, 21700) or 3.2V LiFePO4 batteries (depending on model) into the battery slots. Ensure correct polarity (+ and -) as indicated on the tester. The device features reverse polarity protection.
Connect Data Cable (Optional): For PC communication, connect the Type-C data cable from the tester to your computer.
Green Terminals (Optional for DIY): The four 2-pin green terminals can be used for custom expansions or connecting external loads/sources for advanced testing scenarios. Refer to advanced usage guides for detailed instructions on DIY modifications.

Top and bottom view of the BTS04 Battery Capacity Tester — Top view showing battery slots and control panel, bottom view showing model information and anti-slip pads.

Image showing the back of the BTS04 tester with green terminal blocks for DIY modifications — The BTS04 supports DIY modifications and custom expansion via the green terminal blocks.

5. Operating Instructions

The BTS04 offers three primary operating modes: Charging, Discharging, and Cycling. Use the control buttons (SET, DTLS, RSLT, CURVE, CLR, OK, and arrow keys) to navigate the menu and select modes.

5.1. Understanding the Display Interfaces

The tester features multiple display interfaces to provide comprehensive data:

List Interface: Monitors multiple channels simultaneously for an overview of all active tests.
Single-Channel Interface: Focuses on one channel for in-depth performance analysis.
Result Interface: Displays cycle parameters for each channel, allowing for clear comparison and analysis.
Curve Interface: Provides an intuitive graphical representation of charging/discharging performance and status over time.

Screenshots of the BTS04's multi-channel display interfaces — The four main display interfaces: List, Single-Channel, Result, and Curve, for multi-channel data at a glance.

5.2. Operating Modes

Select the desired mode using the 'SET' button and arrow keys, then confirm with 'OK'.

Charging Mode (CHG): Smart charging support to restore battery vitality.
Discharging Mode (DIS): Safe discharging operation to release battery potential.
Cycling Mode (CYCLE): Performs up to 9 charge-discharge cycles automatically with one click.

Diagram showing the three intelligent operating modes: Charging, Discharging, and Cycling — The three intelligent operating modes of the BTS04 tester.

5.3. Accurate Parameter Measurement

The display provides detailed real-time data during operation:

Voltage (V)
Current (A)
Capacity (Ah)
Energy (Wh)
Runtime
Cycle count
Internal Resistance (mΩ)
Power (W)
Operating Mode

Detailed view of the BTS04 display showing various measured parameters — The display showing precise parameter measurements during operation, including voltage, current, capacity, energy, runtime, cycle count, internal resistance, and power.

Screenshots showing accurate battery capacity testing in discharge and charge modes — Dual capacity monitoring in discharge and charge modes, displaying detailed metrics like voltage, current, power, internal resistance, and Ah/Wh values.

5.4. PC Software and Mobile App

For advanced data synchronization and smart management, connect the tester to a PC or use the mobile app via Bluetooth (for BT Edition models).

PC Software: Allows for detailed data logging, analysis, and configuration.
Mobile App (Bluetooth Connection): Provides remote monitoring and control capabilities, displaying real-time data and historical curves on your smartphone.

Screenshot of the BTS04 PC software interface — The PC software interface for data synchronization and smart management.

Screenshots of the BTS04 mobile app interface — The mobile app interface for Bluetooth connection, showing various data views including list, single channel, results, and curves.

6. Maintenance

Cleaning: The acrylic panel is designed for easy cleaning. Use a soft, dry cloth to wipe the device. Avoid abrasive cleaners or solvents.
Cooling Fan: The built-in fan ensures efficient cooling. Keep the ventilation openings clear of dust and obstructions to maintain optimal performance.
Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
Silicone Pads: The shock-absorbing and anti-slip silicone pads at the base are durable. Ensure they are clean and intact for stable operation.

Close-up views of the BTS04's acrylic panel, silicone buttons, silicone pads, and fan cooling system — Detail display of the BTS04's components, highlighting features relevant to maintenance.

7. Troubleshooting

Problem	Possible Cause	Solution
Device does not power on	Incorrect power adapter or loose connection.	Ensure the 12V 2A charger is correctly connected and functioning. Check power outlet.
Battery not detected or error message	Incorrect battery insertion (polarity), incompatible battery type, or damaged battery.	Verify battery polarity. Ensure the battery is a compatible 3.7V lithium or 3.2V LiFePO4 type. Try a different battery.
Inaccurate readings	Poor battery contact or environmental factors.	Clean battery terminals and tester contacts. Ensure stable operating environment.
Bluetooth connection issues	Bluetooth not enabled on mobile device, app not installed, or out of range.	Ensure Bluetooth is active on your phone. Download and install the official app. Keep the device within Bluetooth range. (Applicable to BT Edition models only)
Overheating during operation	Blocked ventilation or prolonged high-current operation.	Ensure fan vents are clear. Reduce load or allow device to cool down. The device has temperature control protection.

8. Specifications

Parameter	Value
Suitable Battery	3.7V Li-ion Battery, 3.2V LiFePO4 (model dependent)
Voltage Resolution	0.001V
Current Resolution	0.001A
Capacity Range	0000-9000Ah
Capacity Resolution	0.001Ah
Power Range	0000-9000Wh
Power Resolution	0.001Wh
Internal Resistance Range	0000-9999mΩ
Internal Resistance Resolution	1mΩ
Run Time	00:00:00-99:59:59
Operation Mode	Single Charge, Battery Discharge, Cycle Mode
Current Gear	Low Current 0.6A, High Current 1A
Cycle Test Count	1-9 times
Cycle Switching Time	1-60 seconds
Standby Power Consumption	0.65W
Screen Brightness	1-100%
Screen Off Time	OFF, 10-120s
Input Power	12V 2A
Product Size	190 * 129 * 30mm

Note on Models: The BTS04 series includes various models (e.g., BTS04AL, BTS04BL, BTS04CL, BTS04AF, BTS04BF, BTS04CF) which may differ in Bluetooth capability, storage capacity, and supported battery types (Li-ion vs. LiFePO4). Refer to the specific model's documentation for exact details.

Table comparing specifications of different BTS04 models — Detailed specifications for various BTS04 models, highlighting differences in features like Bluetooth and storage capacity.

9. User Tips

For accurate capacity testing, ensure batteries are fully charged before starting a discharge cycle.
Utilize the cycling mode to recondition older batteries and potentially improve their performance.
When using the PC software or mobile app, regularly save your test data for long-term analysis and comparison.
The energy recovery feature is most effective when simultaneously discharging and charging batteries across different channels.
Always double-check battery polarity before insertion to prevent damage, although the device has built-in protection.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.

A PDF version of the user manual is available for download: User Manual (PDF)

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