【What You Receive】 You will receive 2 pack 3500mAh Li-ion AP4001 battery for RYOBI in the package. 2 packs of AP4302 batteries are perfect for battery replacement when your power tools are running out of power, keeping your tools fully powered for productivity 【Battery Specifications】 Battery Type: Li-ion; Voltage: 4V; Capacity: 3500mAh. The 3500mAh high capacity AP4700 Li-Ion battery for ryobi provides longer run times and more power for your power tools 【No Memory Effect】 The AP4001 batteries are made from top A grade battery cell, which are non-polluting, stable, have no memory effect and low self-discharge. Our AP4302 batteries for RYOBI can withstand up to 500 charge/discharge cycles without loss of capacity 【Perfect Compatibility for RYOBI】 The professional replacement battery compatible with RYOBI Ap4001, Tek4, Rp4900, Rp4410, Rp4400, Hp53lk, Ap4700, Rp4530. Fully fit for RYOBI tools models HP53L, RP4300, RP4205 TEK4, RP4530, RP4010, RP4020, AP4001, RP4030, RP4050 TEK4, RP4900 【Safety & Stability】Our AP4001 batteries for RYOBI comply with FCC, CE and RoHS triple certified. The 3500mAh Li-ion batteries built in protection microchip--- over-charging, over-current, over-voltage, short-circuit, high-temperature, to prolong battery life Specifications: Voltage: 4V Capacity: 3500mAh Battery type: Li-ion Package included: 2 x Battery Why choose our Li-ion battery: 1, The 3500mAh high capacity battery provides your power tools with enough power to run for long periods of time and complete tasks efficiently; 2, Fully compatible with the original charger; 3, Made with lithium-ion cells, thus ensuring that no pollution is released into the environment; 4, The battery is designed with voltage stabilizing circuit, which can effectively eliminate the memory effect and low self-discharge rate. Tips for Li-ion battery use 1. Charge the battery after it has completely cooled down, and take proper breaks when using it in high-power tools. 2. It is recommended to use the battery at least once a month and clean the battery contacts with a cotton swab dipped in alcohol if necessary. Warm Notes: 1, Please make sure the battery you want to buy can match the brand, model and part number of your power tool. 2, Please store the battery in a dry, clean and cool place, and keep it away from heat sources and metal objects. 3, After using our batteries, please wait for them to cool down before recharge.