The free battery replacement plan has changed. Previously the plan was to offer the batteries for free and then charge $4.99 for shipping and handling.
The LR44 batteries are now available for $2.00 (3 Pack) with free shipping.
These batteries are compatible with the following items
LED Glow Stick Flashlight - LED Safety Sticks - LED Reusable Glow Stick - LED Emergency Flares - LED Mini Clamp Light - Glow Mini Flashlight