$29.99

COAST warranties its electronics accessories (products with digital screens) to be free of defects in materials and workmanship for ONE year. Warranty does not cover batteries and charging accessories (or damage caused by either). Batteries or damage caused by batteries (i.e. leakage) not included in guarantee.

To begin the warranty process with your COAST product, please complete the Online Warranty Request Form.


Power up and shine bright. Compatible with the COAST TX14R flashlight, the ZX810 ZITHION-X™ rechargeable lithium ion battery features a built-in Micro USB port for easy charging either inside or outside the light. A battery charge indicator flashes red during charge-up and...

Power up and shine bright. Compatible with the COAST TX14R flashlight, the ZX810 ZITHION-X™ rechargeable lithium ion battery features a built-in Micro USB port for easy charging either inside or outside the light. A battery charge indicator flashes red during charge-up and shines solid green when fully charged, and the overcharge/discharge protection circuits make powering up as simple and safe as possible. The battery is backed by COAST’s one-year warranty against defects in materials and workmanship. 

All COAST ZITHION-X™ batteries are protected with premium overcharge/discharge protection and are backed by COAST’s one-year warranty.


  • Features
    • Battery Charging Level Indicator

      Check the status of your batteries charge level with our built-in charge level indicator. (Solid red) when charging, (solid green) when fully charged. 

    • Battery Life Indicator

      Know when to power back up—with a battery-life indicator, you can always know when your battery needs to be recharged.

    • Built-In USB Port

      With a built-in USB port your battery can be charged both inside or outside your COAST light using a micro USB cord.

    • One Position Knife Clip

      Secure your knife at hand’s reach. The COAST One Position Knife Clip makes it easy to keep your knife readily accessible while also tucked away in your pocket.

    • Rechargeable Battery

      Power up on your terms with a recharging system that connects to standard outlets and ports.

  • Specifications
    • Battery Chemistry Li-Ion
    • Capacity (mAh) 2600 mAh
    • Capacity (Wh) 9.62 Wh
    • Cell Size 18650 x 1
    • Power Input (Charge Cable) Micro USB
    • Product Compatible TX14R
    • Storage Temp Range 20-35ºC
    • Voltage 3.7V
  • Battery Charging Level Indicator

    Check the status of your batteries charge level with our built-in charge level indicator. (Solid red) when charging, (solid green) when fully charged. 

  • Battery Life Indicator

    Know when to power back up—with a battery-life indicator, you can always know when your battery needs to be recharged.

  • Built-In USB Port

    With a built-in USB port your battery can be charged both inside or outside your COAST light using a micro USB cord.

  • One Position Knife Clip

    Secure your knife at hand’s reach. The COAST One Position Knife Clip makes it easy to keep your knife readily accessible while also tucked away in your pocket.

  • Rechargeable Battery

    Power up on your terms with a recharging system that connects to standard outlets and ports.

  • Battery Chemistry Li-Ion
  • Capacity (mAh) 2600 mAh
  • Capacity (Wh) 9.62 Wh
  • Cell Size 18650 x 1
  • Power Input (Charge Cable) Micro USB
  • Product Compatible TX14R
  • Storage Temp Range 20-35ºC
  • Voltage 3.7V