Artisan Power Motorola/Symbol RS507 Scanners: Replacement Battery. 2000 mAh (Extended Capacity) Motorola / Symbol RS507 Replacement Battery Fully replaces battery number BTRY-RS50EAB02-01 Lithium Ion Rechargeable Battery Pack | 3.7 Volt | 2000 mAh | Cells Made in Japan Manufactured by Artisan Power, a leader in premium quality replacement battery packs. Cells Made in Japan