Ingenico iWL220 / iWL250 / Move 3500 Battery
Ingenico iWL220, iWL222, iWL250, iWL251, iWL252, iWL255, iWL280, or Move 3500 wireless credit card terminal replacement OEM Li-Ion 2250mAh battery pack.
Note: Please charge battery for full day before initial use.
My iwl250 was dying after 5 minutes of use. Charged it for a full day, and now my terminal last like it originally did.