You must be chill and disappointed if your RC helicopter is out of power when you are playing excitedly. Don’t worry from now on. You can prepare this KU816A-001 5 240mAh Li-battery + Multihead Charging Cable on hand. Made of high quality material, the batteries are guaranteed in performance, safe to use and charge without leaking. Besides, as their rechargeable design, they can reuse for many times, very cost-effective and environmentally friendly. In addition, 240mAh capacity batteries are stable in running for a relatively long time. What is more, with a multihead charging cable, it makes you charge conveniently and fast. As its compact size, it is convenient to carry.Features240mAh batteries are durable to useThey are designed into rechargeable typeThey are cost-effective, energy-saving and environment-friendlySafe to use and charge because of their strict inspection and professional skillThe charging cable is compact and portable to carryThey are helpful to make you enjoy entertainment excitedlySpecificationsDimensions(1.38 x 0.79 x 0.28)" / (3.5 x 2.0 x 0.7) cm (L x W x H)Weight1.66 oz / 47 gColorWhiteCapacity240mAhModelKU816A-001Package Includes5 x Li-Battery1 x CableExtra InfoThe related notes about lithium battery's usagePlease use the charger from original factory to ensure your safety using.Do not charge the dilatant/outworn batteriesDo not overcharge the batterry.Please pull out the charge once the battery is fully charged.Do not charge it next to the inflammables or on the surface of electro-conductive objects.You should observe the battery at all times.Do not charge the batteries which are still not cool on the surface,Otherwise,it would cause expansion and even fire accident.The charging temperature should be between 0℃ and 40℃Do not over-expose or over-impact the batteries. evrika33 store