ExpertPower 18v 2500mAh NiMh Extended Battery for Makita 1823 1833 1834 1835 1835F 192828-1 192829-9 193061-8 193102-0 193140-2 193159-1 193783-0 Brand New | Ni-Mh | 18 Volts | 2500 mAh | Red ExpertPower products are tested to match and/or exceed OEM specs. Before purchasing, please make sure your charger is compatible with Ni-Mh technology. Products trademarked ExpertPower are marketed and sold exclusively by ExpertPower. 1 Year Warranty