HW 9V Rechargeable Lithium Batteires, 4 Pack USB Type-c 9 Volt Rechargeable Batteries, 1.5 H Fast Charge 1000 Cycles with Long Last for Smoke Detectors and Microphone
 
Product Features
  

         
9V Rechargeable BatteryHW USB type-c rechargeable 9V battery with 3600mWh high capacity and low self-discharge, provide steady voltage until the whole cell is depleted, lasting longer for your devices. HW 9V rechargeable can provide 9v standard volt when full charged, better than other batteries lower than 9v.
         
[Fast Recharging & Safety Protection] HW rechargeable battery can be fully recharged within 1.5 hours. Each battery has polarity protection such as over-charging, over-discharging, over-voltage, over-temperature, over-current, short circuit and undervoltage.
         
[Save Resource, over 1000 cycles ] The Lithium-ion rechargeable battery has built-in micro USB port, which allows you to be recharged from the PC, desktop, wall plug, power bank through the included USB charging cable. You do not need extra battery charger. The rechargeable battery has a long battery life due to its long-lasting durability, which can be recharged more than 1000 times.
         
[Easy Charging Various Devices] The USB lithium-ion rechargeable battery has high compatibility, which can be widely used in different devices such as smoke detectors,microphones, remote control car toys, household products, etc.
         
[Environmentally Friendly Rechargeable 9v Battery] As a professional battery manufacturer, HW always adheres to the research and development of efficient and energy-saving rechargeable batteries. Compared to alkaline batteries, rechargeable batteries have over 1000 cycles, low self discharge, and constant voltage, providing more stable power supply to devices. Recyclable charging for use, saving expenses and reducing environmental pollution.
         
Note: The Standard 9V rechargeable battery not suitable for guitar, bass.