?This is an amazingly good H107C-002 5pcs 3.7V240MAH Li-Po Battery + Charging Cable + USB Cable we would like to recommend today. With long time storage and large capacity£¬ it is great to charge for the RC helicopter. It can run on the 3.7V supplied in a standard USB cable. That makes this great for charging from any PC£¬ laptop and anywhere you can plug in one of the ubiquitous USB charging wall warts. This battery and cable set is suitable H107 / H107L / H107C / H107D / U816 / U816A / V202 / V939 / V252 / 385. Come to order it now£¬ it works functionally for your RC helicopter. It is well worth the money.                                    Features            Made of good quality material£¬ it is high-quality and durable<br>With slim and portable design£¬ it is easy to carry <br>Quick and safe to charge<br>Convenient to use<br>With this battery and USB cable£¬ your RC helicopter can fly longer<br>                                                            Specifications             Model     H107C-002    <br> Suitable for     H107/H107L/H107C/H107D/U816/U816A/V202/V939/V252/385    <br> Color     Blue    <br> Battery Capacity     3.7V 240mAh    <br> Battery Dimensions     (1.38 x 0.79 x 0.28)" / (3.5 x 2 x 0.7)cm  (L x W x H)    <br> Weight     2.01oz / 57g     <br>                                                             Package Includes            5x Li-Po Battery<br>1 x Charging Cable <br>1 x USB Cable<br>                                                            Extra Info            The related notes about lithium battery&acute;s usage<br>Please use the charger from original factory to ensure your safety using.<br>Do not charge the dilatant/outworn batteries<br>Do not overcharge the batterry.Please pull out the charge once the battery is fully charged.<br>Do not charge it next to the inflammables or on the surface of electro-conductive objects.You should observe the battery at all times.<br>Do not charge the batteries which are still not cool on the surface£¬Otherwise£¬it would cause expansion and even fire accident.<br>The charging temperature should be between 0¡æ and 40¡æ<br>Do not over-expose or over-impact the batteries.