How to Charge a Stun Gun

How to Charge Any Stun Gun

Charging a stun gun correctly ensures it’s ready when you need it. Most modern stun guns, including the Runt Stun Gun, come with built-in rechargeable batteries, making them easy to maintain.

If you’ve ever wondered:

• How do I charge a stun gun properly?
• How long should I charge it for?
• Can I overcharge a stun gun?

Then you’re in the right place. This guide explains the best way to charge any stun gun, with a focus on the Runt Stun Gun—one of the most compact and powerful options available.

How to Charge the Runt Stun Gun

Charging the Runt Stun Gun is simple, thanks to its built-in flip-out plug. Here’s exactly how to do it:

1. Locate the charging prongs:

   • Flip the unit over to the bottom side.
   • Press the small button and slide it outward.
   • A two-prong plug will extend from the stun gun.

2. Plug it into a standard wall outlet.

   

   Plugs into a regular household outlet.

   • Use any household power outlet to charge your device.

3. Allow the stun gun to charge.

   • Charging time typically ranges between 6 to 8 hours for a full charge.
   • Some models have an indicator light that turns green when fully charged.

4. Unplug and store properly.

   • Once fully charged, unplug the unit and retract the charging prongs.

✦ Pro Tip: If your stun gun has a flashlight, the brightness of the light can indicate battery life. A dim light means it’s time to recharge.

Black Runt Stun Gun Held in Your Hand - Notice the Wrist Strap Plugged into the Unit

How Long to Charge a Stun Gun

♦ First Charge: Most stun guns arrive with some charge, but it’s best to fully charge it before first use (6–8 hours).

♦ Regular Charging: Even if you don’t use it, a stun gun should be recharged every 1-2 months to maintain battery life.

⚡ Overcharging Warning: Avoid leaving your stun gun plugged in longer than 8 hours to prevent battery damage. If your model has an indicator light, unplug it once fully charged.

Common Stun Gun Charging Questions

✅ Can I overcharge my stun gun?
Yes—leaving it plugged in too long can damage the battery over time. Stick to the recommended 6-8 hour charge time.

✅ What if my stun gun won’t charge?
Check that:

• The charging prongs are fully extended.
• The outlet is working properly.
• The battery life has expired.

✅ How do I know when my stun gun needs to be charged?

• Weak arc or no spark when test firing.
• Dimming flashlight (if applicable).
• Hasn’t been charged in over two months.

✅ Can I charge my stun gun without a charger?
Runt stun guns have a built-in plug, but models requiring an external charger must use the correct one. Using the wrong charger can damage the battery.

Final Tips for Stun Gun Battery Care

• Store in a cool, dry place to avoid battery degradation.
• Test fire it monthly (for 1 second) to ensure proper function.
• Keep the disable pin inserted (if applicable) to ensure it works when needed.

✦ Want to learn more about how charge affects stun gun performance?
Read our full guide to stun gun charging best practices.