KNB-35L Li-Ion Battery - 7.4V, 1950 mAh Discontinued model Batteries KNB-78LLi-Ion Battery Pack - 2860 mAhKNB-70LEXATEX-Certified Li-Ion Battery - 1430 mAhKNB-77LEXATEX-Certified Li-Ion Battery - 2860 mAhKNB-71LLi-Ion Battery - 1430 mAhKNB-65LLi-Ion Battery - 1520 mAhKNB-63LLi-Ion Battery - 1130 mAhKNB-57LLi-Ion Battery - 2000 mAhKNB-56NNi-MH Battery - 1400 mAhKNB-55LLi-Ion Battery - 1480 mAhKNB-54NNi-MH Battery - 2500 mAhKNB-53NNi-MH Battery - 1400 mAhKNB-50NCIntrinsically Safe Ni-MH Battery - 2000 mAhKNB-48LLi-Ion Battery - 2550 mAhKNB-47LLi-Ion Battery - 1950 mAhKNB-45LLi-Ion Battery - 7.2 V, 2000 mAhKNB-33LLi-Ion Battery - 7.4 V, 2000 mAhKNB-29NNi-MH Battery - 7.2 V, 1500 mAh