Please take a moment to read the information below before placing your order.
Compatibility Check: Please check your battery connector type and polarity before purchase. If you are not sure, contact us before buying or send us a clear picture of your original battery and connector.
Customer Service: We provide support Monday–Friday during US Eastern Time business hours. All messages are answered within 1 business day. We are closed on weekends. If you do not receive a reply within 24 hours, please message us again. You can contact us through eBay messages or our official website. Every message is read and answered by a real person.
Processing Time: 1 business day. Cut-off time is 12:00 PM ET. Orders placed after cut-off ship the next business day. We do not ship on weekends.
Free Economy Shipping: No tracking included. Estimated delivery is 8–10 business days. Due to USPS delays, delivery may take an additional 2–3 business days beyond eBay estimates.
USPS Ground Advantage (Tracked): Estimated delivery 5–7 business days.
USPS Priority: Estimated delivery 3–5 business days after processing. Delivery dates are not guaranteed.
Time-Sensitive Repairs: If you need the battery as soon as possible, please select USPS Priority at checkout. If Economy (non-tracked) shipping is selected, we cannot expedite the shipment.
International Shipping: Average delivery 14–20 business days.
Delivery Issues: If your order does not arrive within 10 business days, contact us before leaving feedback.
Bulk Discounts: Buy 2 get 10% off, Buy 3 get 12% off, Buy 4+ get 15% off. Prices are final. For 50+ units, contact us for a quote.
Returns: All sales are final. Replacements provided for defective items.
Dropshippers: We are a direct-to-consumer brand and we do not dropship.
Images are for illustration only. The battery shipped will match the model selected.
Replace your Lenovo ThinkPad E490 (Type 20N8, 20N9) CMOS battery with a reliable ValueBatt replacement. Designed for stable backup power and long service life, up to 4 years under normal use.
ValueBatt focuses on quality, consistency, and support. Our batteries are built to meet strict performance and safety standards instead of bulk generic specifications.
We provide real pre- and post-sale support. If you are unsure about compatibility, our technicians will help verify the correct battery before purchase.
All ValueBatt batteries are tested before shipping and backed by a warranty. We ship worldwide and support customers globally.
Most batteries ship in a clear plastic bag. Retail packaging may not be included.