China 1/2AA NiMH 3.6V 500mAh Rechargeable Battery Packs Ni-Mn Battery Best Quality - China Ni-MH Battery and NiMH Battery price
Saft LS14250 - 1/2 AA 3.6 Volt Primary Li-SOCl2 Lithium Battery Cell (Same as LS14250C)
16 x 3.6 Volt 1/2 AA 1200 mAh (LS14250 and ER14250) Primary Lithium Battery
Pololu - Understanding battery capacity: Ah is not A
Battery Eliminator - 2 AA Battery Replacement - USB Powered
2 x Saft LS-14250 1/2 AA 3.6V Lithium Primary Batteries (Non Rechargeable) - Walmart.com
Lithium-thionyl chloride (Li-SoCl2) battery pack features 3.6V Operating voltage and 1200mAh capacity in a small 1/2AA form factor with Molex(2695) 22-01-3027 (2 pin) Termination, BS1200C1425001S1PCMW | GlobTek