I have one in 21700 and it seems a great battery so far. Otherwise I'm a Panasonic guy.
I ask because it sits on my forehead, inside a headlamp. Having my hands tied, addressing a problem quickly might be difficult. And them rascals get toasty fast when they ignite.
I have one in 21700 and it seems a great battery so far. Otherwise I'm a Panasonic guy.
I ask because it sits on my forehead, inside a headlamp. Having my hands tied, addressing a problem quickly might be difficult. And them rascals get toasty fast when they ignite.