Product Review

The ATK 3.7v 18650 cell is the Best in the Industry.
Paired with the Protected Integrated Circuits (PIC) technology and the High for dual protection makes for a Long Lasting and Reliable Power. These batteries are for Button Top High Drain Devices (NOT VAPE COMPATIBLE).

Specifications:
- Brand:ATK
- Battery Size: 18650
- Battery type: Li-ion rechargeable battery
- Voltage: 3.7V
- MAX Capacity: 3500mAh
- Net Weight: 1.7oz (48g)
- Diameter: 11/16" (18mm)
- Length: 2-11/16" (68mm) with protection board (May be too tall for some products, measure port before purchase)
- No memory Effect

Provides excellent continuous power sources to your device (For led flashlight, notebook, camera, camcorder, PDA, etc.)

Composition:
-The top + Positive bubble is constructed of Nickel and the Bottom (IC) - Negative is constructed of Copper (Cu) for high conductivity.

Dual Protection Safety
The Batteries include, (attached to the bottom of the battery) a copper plated dual protection integrated circuit disk, that provides regulated control over currents.
The ATK Battery Will Auto Disconnect Itself From The Circuit In Instance of:
Overcharging @ 4.35v
Over-Discharging @ 2.5v
Abnormally High Current Spikes @ 12a
Extreme Temperature (132°F - 55°C to 13°F - 9°C )
(Dual Protection is to HELP insure they don't explode during charging, overheating or abuse.)

Reliability Quality
Strict quality control provides, reliability, and consistency of the batteries. Efficient at Extreme temperatures between: 132°F - 55°C to 13°F - 9°C
TOP Brands that can use the ATK 3.7V 18650 Lithium Ion Rechargeable Batteries: Eagletac, Fenix, Klarus, Nitecore, Olight, Simon, Streamlight, Thrunite, Xtar, etc...
Backed by ATK llc. Any problems, please contact us, we will solve the issue ASAP.