Batteries are exact replacement for Udi U28W U28-1 JJRC H37 Drone
Multifunctional Chagrer :the charger is with Over charge protection, Short circuit protection.while the voltage of battery is close to 4.2v ,the charger will stop .it will protect batteries from the damage .Thus ,the lifetime of batteries will be longer
Product size:57*18*7.5mm
Specification: 3.7V 500mAh Lipo battery,guarantee more power,high drain lithium-polymer rechargeable battery
Well-designed appearance and new package :if you want to buy a gift for your relative ,friend or yourself ,it is a good choice

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 3.2 inch
Height : 1.2 inch
Length : 4.2 inch

Item Weight: 0.48 ounce (View shipping rates and policies)
Shipping Weight: 4 ounce (View shipping rates and policies)

ASIN : B01N9BVAQK