DJI FC40 Phantom 1 Walkera Runner 250 hobby battery 2200mAh
Replacement DJI FC40 Phantom 1 Walkera Runner 250 battery pack 2200mAh Li-Polymer 11.1V rechargeable hobby or toy type batteries DJI P1-12

This detailed offer below is for a new replacement compatible battery pack for a DJI FC40 Phantom 1 Walkera Runner 250 with a capacity of 2200mAh, these Li-Polymer blue model batteries are quite often seen in radio or remote controlling hobbies and professional use, more specific information about the battery chemistry and physical dimensions will be found below

• DJI FC40 Phantom 1 Walkera Runner 250 battery

Li-Polymer batteries are able to store more energy within a certain dimension that many other types which is why they are often used in portable devices, you will probably find one in your mobile phone for the same reason, they may be called LiPo or many other abbreviations but the correct name is actually Lithium-Ion Polymer, these use a polymer electrolyte.
Rechargeable batteries will always lose a bit of energy every day and Li-polymer are far better than many, but you still need to treat them well they are to look after you, charge fully when you receive them ( a very important step ) and before first use, if there are extended periods where they are not being used then charge before putting away and every 8 to 12-weeks, unless you have a good charger do not leave on charge for more than 24-hours.

Although we have supplied the information on the page in good faith there are many reasons why this compatible battery could be incorrect ordered, the physical dimensions are listed below, if your old battery is a smaller amp hour then that's not a problem, this version will last longer between charges

Voltage = 11.1V
Capacity = 2200mAh
Rate = 24.42Wh
Chemistry = Li-Polymer
Colour = blue

There is a total of one rechargeable batteries for the DJI P1-12 we have listed the size of each battery below
Length = 103mm
Width = 34mm
Height = 24mm