Specification:
Battery model:NKB-301V
Voltage:12V
Capacity:2800mAh
Battery Type: NiMH
Cell: Made in China
Color: White
Condition: Replacement Battery (100% Brand New,1-year warranty!)
Replace Part Numbers:
NKB-301V
Compatible Models:
For NIHON KOHDEN ECG-1350P 1350C 2350 ECG-7600 7700 TEC-5600 TEC-7621K
TEC-7721 TEC-7621C TEC-7631C TEC-5500 TEC-5521 TEC-5531 TEC7631 TEC7721 TEC7731 Typ X065
Notice:
Not all compatible laptop models are listed or included here.
You can open the back of your laptop to check the original battery model number.
Please contact us online if you have any question for the compatibility.
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 | Brazil | 15-25 business days | From $6.99 | 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
About policy:
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Does Batterymall.com have a privacy policy?Please feel free to read our Privacy Policy.
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Can I return the product?Batterymall.com promises to return non-defective products within 15 days of receipt. Please see full details of our returns policy.
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Are your products covered under warranty?Batterymall.com offers a 2-year warranty coverage against manufacturer defects. View warranty information for many of our products.
About Account:
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Do I need to create an account to place an order?No need. You can place an order without an account on Batterymall.com. After payment is complete, your order will be processed. When the item leaves our warehouse, you will receive an automatic confirmation email with tracking information on the package. In addition, you can also view your order information through the "Order Inquiry" page without an account.
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Can I change my account information?Log into your account with your email and password to view your account information including order history, shipping and billing data. Certain account information may be redacted for accuracy.
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How do I reset my password?Click the "Login" button at the top of the page
Click on "Forgot your password?"
Follow the steps listed to reset your password -
How do I unsubscribe from promotional emails?Log in to your account to update your communication preferences or click the unsubscribe link at the bottom of the newsletter/email. If you unsubscribe from marketing or promotional communications, you will continue to receive transactional communications in connection with any order.
About order:
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Will I be charged sales tax?Our website is not responsible for the taxation of any country, and buyers are required to declare taxes by themselves.
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What payment methods are available for me?We accept Visa, MasterCard, Discover and American Express on Batterymall.com and other payment options in store.
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How long will it take to complete my order?Orders fulfilled through our warehouse will be shipped within 24 hours of receipt during business hours. Hours of operation may vary, but are based on Central Time, Monday through Friday, non-holidays.
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Do you ship internationally?Orders can be shipped to over 50 countries. And we also have products from American warehouses, Japanese warehouses, French warehouses, and Russian warehouses. Please refer to the shipping policy for specific charges.
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Will I receive an order confirmation? tracking information? Receipt?Transaction information will be emailed to the address you provided in your shopping cart. An order confirmation will be sent followed by a shipping confirmation with tracking data.
We recommend keeping all documentation for warranty purposes.
About batteries:
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How about the battery’s lasting or working time?Actually battery’s run-time is dependent on the device's total power consumption rate.
It related to following factors:
●the speed of the laptop’s processor
●the amount of application software
●the number of wireless interface devices
●the brightness of the screen
●the amount of cycle that you’re using it for -
How to maintain battery life?We suggest that you do the battery activation at least once every two months, as it will extend the working time and life of your battery.
If you won’t the battery for a month or longer, we suggest you charge the battery to 50%-80% capacity and then remove it from the laptop. Store it in a clean, dry place until you need it again. -
How long is the battery life?Our battery was tested and checked well before shipment. Under the normal using condition,the life of the lithium battery is about 500 time of cycles, so that usually as far as possible to use the fast end (5-7%) in charge, the average use time is 2 to 3 years.
If we still haven't answered your question, you can contact us below and we'll get back to you as soon as possible.
WECHAT/ WHATSAPP/TEL:(+86) 198 6775 1872
EMAIL:sales@batterymall.com
If you need to learn more about batteries, please check our blog content:
https://www.batterymall.com/blogs/support/batterymall-faqs