MaximalPower PTB RYO12+PTC RYO01 One 12V 2000 mAh NiCD Power Tool Replacement Battery with One Charger Please make sure your MaximalPower brand product sold and shipped by Amazon! Item shipped from other vendor is not covered by MaximalPower Warranty Replaces OEM battery part numbers: RYOBI # 1400652, 1400652B, 1400670 Battery: Integrated microchip prevents from overcharging and lengthens battery life! Charger Type: Tri-Chemistry (Li-Ion / Ni-Mh / Ni-Cd), can replace up to 5 chargers Charger: Built-in circuit protection helps prevent overheating, extended charging times, short circuit and detects damaged batteries