Save up to 50% on 3-Day Sale deals.Ends 12/7.Shop now

Skip to content

$(csi.user.businessName)

Yardbird Best Buy Outlet Best Buy Business

Holiday Deals
Gift Cards
Top Deals
Deal of the Day
Discover
My Best Buy Memberships
Credit Cards

Recently Viewed
Order Status
Saved Items

Main Content

Skip To Results

/

Home, Furniture & Office

/

Household Essentials

/

Household Batteries

/

Lithium Batteries

Lithium Batteries

(3)

Powering down? Not a chance with Batteries & Power

Sort by:

Best Selling

Get it fast

Pickup · Ready today

Shipping · Get it today55423

Brand

BTI Battery Tech

Price

to

Features

Sponsored

Sponsored

Sponsored

Similar products from outside of Best Buy

sponsored

Sponsored

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later

Support & Services

Visit our Support Center
Shop with an Expert
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2025 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.

Battery must be recycled or disposed of properly.
Made in China
Dantona® Industries, Inc.
Model: LION-1865-34
Rating: 3400 mAh
UL1642 Compliant

NOT FOR USE in E-Cigarettes
devices, May explode or cause injury

18650 | LITHIUM ION 3.7V
HI-CAPACITY
Integrated overcharge/discharge protection circuit

ULTRA LAST

UltraLast - Ul1865-34-2p 3,400 Mah 18650 Retail Blister-carded Batteries (2 Pack)

Not yet reviewed

Not yet reviewed

$34.99

Compare

Compare

18650 | LITHIUM ION 3.7V
400
Caution: Do not incinerate, mutilate or short circuit. May burst, release toxic material or cause burns.
Battery must be recycled or disposed of properly.
Made in China
Dantona Industries, Inc.
UN38.3 PASSED
Recycle

UltraLast - Ul1865-34-1p 3,400 Mah 18650 Retail Blister-carded Batteries (1 Pack)

Not yet reviewed

Not yet reviewed

$21.99

Compare

Compare

Get it by Wed, Dec 10 • FREE

ULTRALAST
ULTRALAST
Integrated I e/discharge
26 18650
LITHIUM
3.7V
Made in China
Do not incinerate, dispose of in fire, must release toxic material.
UN38.3 PASSED
Recycle

18650
ULTRALAST
LITHIUM ION 3.7V
Battery must be disposed of properly.
Do not dispose of in fire, must release toxic material.
UN38.3 PASSED
Recycle

18650
ULTRALAST
LITHIUM ION 3.7V
Battery must be disposed of properly.
Do not dispose of in fire, must release toxic material.
UN38.3 PASSED
Recycle

UltraLast - Ul1865k-26 Lithium Ion Charger/batteries Combo Kit

Not yet reviewed

Not yet reviewed

$37.99

Compare

Compare

Get it by Wed, Dec 10 • FREE