We switched to Sanyo's new Eneloop batteries ... but any NiMH charger will work (and we already have a, um, battery of them). But a good charger makes a world of difference (delivering up to ...

Battery Features Product link Panasonic Eneloop CC55N Input AC100V‐240V 50‐60HZ,Charging Output AA×2 1500mA B075DB1F13 Osaka Battery Charger OSK-C903W 1/2/3/4xAA/AAA, Real-time battery ...