Before purchase please make sure the battery fits the brand, model and part number described below. Compatible Model: Moto-rola APX 900 two way radio Replaces Battery Number: Moto-rola PMNN4489 Specifications: Voltage: 7.4V Type: Li-ion Capacity:3000mAh Upgrade battery Weight: 152.0g*6 / 5.36oz*6 Size: 119.00 x 55.00 x 40.00mm Tips 1). Last as long as the original battery and can be installed pretty easily. 2). Safety Battery, The replacement battery comes with protective design, prevents damage from over-charge, over-discharge, over-voltage, over-heating, short-circuit, it is safe and stable to use. 3). Precise battery interface , fit with original machine and charger. Same size & function as original battery, don't worry damaging the machine. No Power? 1). Must be fully charged for first use, make sure your battery has charge. 2). Check the battery casing isn't cracked or damaged. 3). If you are worried about screwing up, you can refer to related videos on Youtube. New Battery Specification : Quantity:6 / Type: Li-ion / Voltage: 7.4V / Capacity: 3000mAh / Dimension: 119.00 x 55.00 x 40.00mm Fit Model :Moto-rola APX 900 Two Way Radio PMNN4489A Nice Replace : Replace your old battery and bring your device back to life Safety Protection: Reliable triple certification ROSH, CE and UL, over-charge, over-discharge, over-heat, over-current and short-circuit protection After-sales Service : If you have any further questions, we will try all our efforts to help you Brand KASLNOUO Model Name PMNN4489 Unit Count 6.0 Count Reusability Rechargeable Manufacturer KASLNOUO Battery Weight 152 Grams Item Dimensions 4.72 x 2.17 x 1.57 inches Antenna Location Radio Battery Capacity 3000 Milliamp Hours Battery Cell Type Lithium Ion Number of Batteries 6 Lithium Ion batteries required. (included) Warranty Description 1year