2-Power PDA0010B, Battery, HP iPaq H4100, Black, 3.7 V, 2.12 oz (60 g), Lithium-Ion (Li-Ion) 2-Power PDA0010B. Product type: Battery, Compatible products: HP iPaq H4100, Product color: Black. Weight: 2.12 oz (60 g). Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 1800 mAh