Honeywell Battery - For Mobile Computer - Battery Rechargeable - Proprietary Battery Size - 2000 mAh - 3.7 V DC - TAA Compliance-318-033-021 : Available at HNS Technology Inc in USA,. : www.hnstechinc.com
eReplacements Proprietary Battery Size Lithium Ion (Li-Ion) 6 Cell 11.1V DC 5200 mAh Battery for Lenovo Thinkpad - Newegg.com