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T-688 (Single/Pack) lithium Battery Comprehensive Tester
Features：
- A novel and innovative humanized design with capacity measurement after charging.
- It can display the charging current of mobile phones and tablet computers.
- It adopts the precise test display controlled by microchip.
- Measure no-load and discharge voltage charging and discharging current, power supply internal resistance and the ampere-hour values of capacity.
- The alarm device emits an alarm when the connection line is reversed.
- It has the test mode with 0.5A/1A/2A/5A battery capacity level selection.
Parameters
Product model:T688
Supply voltage：AC 100V~240V
Test voltage：0~36V/0~55V/0~67V/0~85V
Discharge current test ：0.5A/1A/2A/5A
charge voltage:4.2V
Test range of internal resistance:0-2000mΩ
External USB charging output:5V/2A
Single cell capacity detection:0~9.999Ah
Charging current setting:0.5A/1A/2A
Battery pack capacity detection:0~99.99Ah
Packing List：
T688 Tester*1set
Power cord*1
Data cable*1
Test fixture*1
Red and black clips*1
Instruction manual*1
FAQs
Product & Usage
1. Are KRANK tools built for professional use?
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
2. Are KRANK tools safe to use for beginners?
Yes, our tools are designed with safety features and easy handling in mind.
3. Can KRANK tools be used in extreme conditions?
Yes, they are tested to perform reliably in demanding environments.
Maintenance & Accessories
1. What maintenance is required for the tools?
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
2. Can replacement parts or accessories be purchased separately?
Yes, we provide compatible parts and add-ons to extend the life of your tools.
3. Do you provide instruction manuals or usage guides?
Every tool comes with a detailed user manual, and digital guides are available online.
Warranty & Guarantee
1. Do the tools come with a warranty?
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
2. How do I register my KRANK tool for warranty coverage?
You can register online using your product serial number for faster support.
3. What does the warranty cover?
It includes defects in materials and workmanship under normal use conditions.
4. Is there an option to extend the warranty?
Yes, extended warranty plans are available for select tools at checkout.
Purchasing & Support
1. How fast is shipping and delivery?
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
2. Do you offer bulk or corporate purchasing options?
Yes, KRANK provides special pricing and packages for business or team orders.
3. How can I contact customer support if I need help?
You can reach our support team by email or phone — we’re here to assist you.
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