eneloop by Sanyo. Ultra-low self-discharge eneloop AAA NiMH batteries.
4-er Pack Sanyo 800 ENELOOP Flachpack (ohne Anschlußkabel) Empfängerakku | SANYO NiMH receiver batteries | Nickel metal hydride | Batteries, LiPo-equalizers and accessories for batteries | All you need for electric flight
Panasonic Eneloop 800 mAh Pre Charged Rechargeable Batteries. 8 Pack