The Chauvin Arnoux replacement battery pack NIMH 4Ah for Qualistar.These alkaline industrial batteries are designed with a power reservoir that enables them to last for longer periods of time. These non re-chargeable batteries have high current and large capacity making them perform to high standard and a longer life. Wide operating temperature range
Low self-discharge giving them an excellent shelf life
Non-rechargeable
Excellent reliability and high capacity – longer life