【Compatibility】Compatible with AT&T IFWA-40 Mobile Hotspot replacement battery.Replacement Battery Model is BAT-40. Please make sure to fit your device model.
【Higher Capacity 3500mAh】 BAT-40 Li-ion Rechargeable Battery capacity: 3500mAh.Greater capability with stronger energy power, ideal replacement for your device's original batteries.
【Upgraded High Quality Grade Lithium Battery】Replacement Battery for BAT-40 is tested to strict quality control standards to prevent overcharging, overheating, and other defects.You can choose it with confidence.
【Easy To Install】Instruction/Manual NOT included, but there are many installation tutorials videos on YouTube to reference. Easy to replace,most people should be able to do it. Replace your old battery perfectly.
【Good After-sales Service】Please contact us when you have any questions, whether pre-sales or after-sales. WUHAO products have a very good after-sales service, please choose us with confidence.