Eneloop are good, the regular ones for long life (They are rated to maintain charge for 5 years) and the XX for higher capacity (They are only rate for 1 year).
If you need higher voltage, look at primary lithium batteries, not lithium-ion (LiIon).
Eneloop are good, the regular ones for long life (They are rated to maintain charge for 5 years) and the XX for higher capacity (They are only rate for 1 year).
If you need higher voltage, look at primary lithium batteries, not lithium-ion (LiIon).