AA battery introduced in 1907 by American Ever Ready Company. Standardized by ANSI in 1947, previously called Z batteries. Measures 49.5-50.5mm length and 13.7-14.5mm diameter
LR41 batteries are 7.9mm diameter and 3.6mm height. LR44 batteries are 11.6mm diameter and 5.4mm height. LR41 batteries weigh 0.55-0.65g, LR44 weigh 1.9-2.2g
Both batteries contain Lithium Manganese Dioxide and have 20mm diameter. Produce 3V nominal voltage and operate between -30°C to +60°C. Non-rechargeable and cost around $0.33 each. Safe to use when installed properly
Powered by 4nm Snapdragon 6 Gen 1 platform for low power consumption. Features 6000mAh battery with 44W fast charging capability. Includes 12GB RAM and 12GB extended RAM for smooth performance. Uses five-layer 3D cooling system for gaming
Three NiMH AA batteries (EBL, HiQuick, Tenergy) performed best in testing. All NiMH batteries rated for 1,000 cycles and 1.2V voltage. NiMH batteries offer higher capacity and longer runtime than NiCd alternatives. Best NiMH batteries cost about $2 per battery
Model number can be found on laptop case or in Control Panel. HP Laptop Battery Finder tool helps identify compatible battery types. Model number can be found in System > About section