Product Overview
The EV2300 is a 100% brand new USB-based interface board for the evaluation, unlocking and maintenance of battery fuel-gauge circuits. It provides a bridge between an intelligent battery circuit and a Windows-based PC, connecting through the PC USB port. With the appropriate software it allows on-screen display and programming of gas-gauge register functions and data modification. It supports SMB, I2CH and DQ interfaces and a wide range of BQ-series chips. Ships 100% brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | EV2300 |
| Interface | SMB, I2CH, DQ |
| Connectivity | USB to Windows-based PC |
| Uses | Development board, programmer, modify battery data |
| Supported Chips | BQ-series battery fuel gauge ICs |
| Condition | 100% Brand New, 1-year warranty! |
Replace Part Numbers
- EV2300
Compatible Models
Supported Battery Chips
- BQ2083
- BQ2084
- BQ2085
- BQ20864
- BQ20869
- BQ20853
- BQ20Z75
- BQ20857
- BQ20Z85
- BQ20Z70
- BQ20695A
- BQ20882
- BQ20870
- BQ20889
- BQ20Z80
- BQ2090
- BQ30Z55
- BQ40ZXX
- BQ27541
- BQ27545
- BQ34Z100
- BQ78Z100
- BQ28Z60
This tool requires the appropriate Windows PC software to display and program gas-gauge registers. It is mainly used for drone batteries and other BQ-chip battery packs.
FAQ
What is the EV2300 used for?
The EV2300 is a USB-based interface board used to evaluate, unlock and maintain intelligent battery fuel-gauge circuits. With suitable PC software it displays and programs gas-gauge registers and modifies data.
Which battery chips does the EV2300 support?
It supports a wide range of BQ-series chips including BQ2083, BQ2084, BQ2085, BQ20Z75, BQ20Z85, BQ20Z70, BQ20695A, BQ30Z55, BQ40ZXX, BQ27541, BQ27545, BQ34Z100, BQ78Z100 and BQ28Z60 drone batteries.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
Shipping Methods
| Shipping Methods | Ship To | Est. Delivery Time | Shipping Cost | Taxes & Fees |
|---|---|---|---|---|
| USPS / DHL | United States | 10-15 business days | Free | Free |
| Canada Post | Canada | 10-15 business days | Free | Free |
| Royal Mail / Yodel | United Kingdom | 15-20 business days | Free | Free |
| DHL | Germany | 15-20 business days | Free | Free |
| La Poste | France | 15-20 business days | Free | Free |
| Correios | Mexico/Spain/IT | 15-25 business days | Free | Free |
| Local Carriers | SE Asia / East Asia | 5-10 business days | Free | Free |
| Local Carriers | Rest of Europe | 20-25 business days | From $5.99 | Free |
| Local Carriers | UAE / Saudi Arabia / Israel | 16-20 business days | From $7.99 | Free |
📦 Shipping & Tracking Information
Looking for faster shipping? We offer local warehousing services. Please visit our "Local Delivery" page for items available for immediate dispatch.
1. How to Track Your Package:
Please choose the tracking link that corresponds to your destination:
- Europe & The Americas: 17track.net/en
- The Middle East: mena56.com
- Asia: 17exp.kingtrans.cn
Need Help?
If you cannot find your package on any of the above websites, please contact us immediately.
📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 Estimated Delivery Time
(1) Shipping from China:
- To Asia: 5-20 business days
- To North America: 10-15 business days
- To Europe/South America: 15-20 business days
(2) Shipping from Local Warehouses:
- From US Warehouse: 3-5 business days
- From European Warehouse: 2-10 business days
- From Russian Warehouse: 3-5 business days
Please note: Exact arrival times depend on the specific country and customs processing.
⚠️ Tax & Customs Information:
Global product prices include customs duties (some countries require a tax ID). Please refer to the settlement invoice for specific shipping costs. Special handling is required if your package is inspected.
Payment Methods
Paypal

Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.