Product Name: TieRei Industry Limited Ni-Mh REPLACEMENT BATTERY PACK similar to MAX JP409 and GD409 Similar to MAX JP409 and GD409 Replacement Battery Pack Replacement 9.6v Ni-Mh (3.3Ah) Battery pack for use with MAX rebar tier machine: RB213, RB215, RB392, RB395, RB515 tool models. Longer lasting than the original Ni-Cd JP409. Charging time is 70 minutes; 1500-1600 knots tying ability per charging; More than 500 times of recharging. TieRei Industry Limited offer you both high quality of Ni-Mh battery pack and battery charger for you at competitive price and fast delivery.