Samsung
MSRP:
$9.99
Sale:
$8.55
Was:
$8.95
New, and very powerful 21700 battery from Samsung:
Samsung 40T 21700 35A Battery INR21700-40T Flat Top
Free 21700 Battery Case is included when batteries are bought in quantities of 2 or multiples of 2. (Example 2, 4, 6, 8, 10, etc...