[Amazon] 4-Pack HW 1400mAh USB-C Rechargeable 9V Lithium Batteries - $11.99 (was $32.98)

Instructions:

• Select Subscribe & Save for max discount
• Use code VGSW9Y7Q at checkout

Features:

• 1400mAh capacity with up to 1000 recharge cycles
• Built-in USB-C port; 4-in-1 USB-C cable included
• LED indicator shows charging status
• Multiple safety protections: overcharge, over-temperature, overload, short-circuit
• Low self-discharge rate maintains voltage between uses
• Works with smoke detectors, fire alarms, clocks, GPS units, walkie-talkies, toy controllers, medical equipment
• Lithium polymer chemistry delivers stable, consistent power output

Price history (lowest ever)