Artisan Power Intermec/Norand CK30 and CK31 Scanner Replacement Battery. 2600 mAh Intermec/Norand CK30 and CK31 Replacement Battery Fully replaces OEM battery number 318-020-001, 318-020-xxx, AB1G and AB1 Lithium Ion Rechargeable Battery Pack | 7.4 Volt | 2600 mAh | Cells Made in Japan Long Lasting High Capacity: 2600 mAh capacity rating 18% higher than the OEM battery. Manufactured by Artisan Power, a leader in premium quality replacement battery packs.