The Perfect Backup Battery That Became My Primary

"After a month of testing, this Fenix 6000mAh battery has quickly upgraded from a backup to my primary choice for my high-drain flashlight. Its massive capacity keeps the light on high mode significantly longer than the stock battery, and it easily handles intensive turbo bursts with rock-solid reliability. Even after weeks of sitting idle in a gear bag, it holds its charge perfectly with no self-discharge, and it continues to charge back to full capacity like new. Ultimately, it is worth every penny for anyone seeking maximum runtime and complete peace of mind on the go."

— Dave (5/5)

Fenix Rechargeable Battery

"These battery are the best, they last so long after full charge. Great product!!"

— Don F. (5/5)

Great rechargeable battery

"Great rechargeable battery"

— Joseph C. (5/5)

Great capacity

"Huge capacity. I use this in CL27R lantern and it works great."

— Leithen (5/5)

The batteries arrived with a

"The batteries arrived with a small amount of charge and took over 12 hours to fully charge but they seem to be doing alright."

— Gene M. (5/5)

Very high capacity battery

"I use this battery in a PD40R flashlight. I would typically use this light inside very dark power generating plants while inspecting equipment, so long battery life is critical."

— Robert A. (5/5)

Fenix TK30R

"Great product. Better than expected. Fast, friendly customer service."

— David F. (5/5)

Love the capacity and the

"Love the capacity and the upgrade from the 5000mah battery."

— Rich B. (5/5)

"Outstanding"

— Rolando (5/5)

I like it

"I like it"

— Cristian O. (5/5)