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LIPO SAFETY

TAKE LITHIUM (LIPO) BATTERY HANDLING AND CARE SERIOUSLY!

OUT OF DARTS DOES NOT TAKE ANY RESPONSIBILITY FOR BATTERY HANDLING OR MISUSE. READ THIS PAGE CAREFULLY AND COMPLETELY!

If you have questions after reading the entire page, please email me directly at outofdarts@gmail.com. Your safety is my highest concern!

 

LiPo (Lithium Polymer/Ion) Battery safety

LiPo batteries are very safe for Nerf assuming the guidelines on this page are followed.

 

Do NOT physically damage packs:

LiPo batteries are hazardous to drop, cut, burn or otherwise destroy. 

 

Do NOT over-drain or over-use:

If a battery is drained/discharged below 3.0 volts. It may not take a charge again and will be useless. Voltage alarms are the easiest way to protect yourself with LiPo batteries. These give a very loud buzzing noise when any one cell drops below 3.3 volts, allowing you to charge the battery properly. They are available here.

 

Do NOT overdraw a LiPo battery:

LiPo batteries have C-ratings (Current rating). This number is multiplied by the amp hours (size) of the pack. This is independent of cell count (2s or 3s).

Example:

1500mAh = 1.5Ah (m = mil = thousand)

40c x 1.5Ah = 60A max current

 

Charge in a proper fire proof container:

LiPo batteries should always be charged in a LiPo safety bag or other fireproof container. Charging should never be left unattended, and charging containers should be breathable (i.e. no airtight containers).

 

Do NOT short out the battery:

LiPo batteries can provide extremely high current. Never let the positive and negative leads touch.

 

Shipping charge:

All of my batteries are shipped at 30% charge for safety, and should never be used out of the box until properly charged.

 

Balance charging:

Batteries should only be charged on a balance charger, which charges each cell to a specific voltage.

 

Disposal:

All LiPo batteries should be properly disposed of and may NOT be simply thrown away in the trash unless prepared first. Contact your trash service for information on how and where to locally dispose of batteries. 

 

Puffy or damaged battery: 

You should never use a puffed up battery pack. This typically happens from overcharging, physical damage or by pulling too much current from a battery. 

 

Storage temperature:

Store LiPo batteries at room temperature. DON'T leave them in hot cars or near any potential heat source. 

 

Flying on airplanes:

Bring LiPo batteries as carry-on only at storage charge in a LiPo bag. (But DO NOT carry on your nerf blaster, or it will be confiscated or refused). Visit www.tsa.gov and www.faa.gov for more information.

 

Cell count:

LiPo batteries in Nerf are generally 2s or 3s. "s" refers to the number of cells. A fully charged LiPo cell is 4.2 volts, so a 2s pack is 8.4v while a 3s pack is 12.6. This rating is the fully charged maximum voltage. Always match your battery to your motors.