Protected button top batteries are commonly used in flashlights, medical devices, portable electronics, security equipment, and other applications requiring stable power delivery and built-in circuit protection. The button top design also improves compatibility with devices that require raised positive terminals.
Protected Button Tops
Pre-Order Available 
UltraFire 18650 Button Top 3.7v 3000mAh Rechargeable Battery
$11.99 $5.95 $5.95 /
INR 21700 3.7v Eve 50E Protected Button Top Battery 5000mAh
$9.49 $7.95 $7.95 / item
Certified Hohm Tech 18650 Batteries
Hohm Tech Life V4 18650 Battery 3.6v 3015mAh 22.1A
$9.95 $7.89 $7.89 / item
Hohm Work 18650 V2 2547mAh 25.3A Battery
$9.95 $6.79 $6.79 / item
Hohm Alone 18650 Battery 3.7v 3309mAh 15.3A ICR
$12.49 $8.99 $8.99 / item
Hohm Tech Mega 3.6v 18650 Rechargeable Battery – 2505mAh, 22A High Drain Li-ion Flat Top
$12.99 $7.79 $7.79 / item
Hohm Depot 18650 Battery 3.7v 16.8a 3005mAh (Flat Top)
$11.49 $7.99 $7.99 / item
Popular 21700 Options
Take a look at what fits the job for most
