2PCS Yowoo Graphene Battery Lipo 3S 4S 6S 11.1V 14.8V 22.2V 2200mah 5000mah 6000mah 3000mah XT60 XT90 EC5 100C RC Drone FPV Helicopter Airplane Car Toys Parts

HRB provides a 6-month warranty period. The after-sales is as follows;
1. Free return; if the battery has any quality problems within one month from the date of order placement. The buyer need to provide inspection pictures. Once confirmed we will arrange a free return.
2. 1-3 months; if the battery has any quality problems , the buyer need to provide inspection pictures. Once confirmed we will arrange new battery to buyer. The buyer bear the freight.
3. 3-6 months; if the battery has any quality problems , the buyer need to provide inspection pictures. Once confirmed we will arrange free new cells to replace bad cells. The buyer bear the freight.
Not included in customer reasons, such as overcharge, over break, etc.
About the inspection pictures, please contact HRB service what they need.

Size: please allow error 1-3 cm due to manual measurement.
Weight: please allow error 1-5g due to hand-made and different packaging material.
Voltage: don't over charge more than 4.2V and dont over discharge below 3.7V.

1. Most of countries, we use the Bpost International and PostNL, delivery time is 35-45 days approximately, but if meeting the cause of force majeure, the packages will be delayed, hope you can understand, thanks.
2. Brazil friend, we receive a announced that it will charge a fee of approximately US$3.50 per order for all international.
3. About Russain warehouse, we can send all cities from Russia, but due to some districts are faraway, delivery time is longer than from China, then it shows can not deliver. but if you need it from Russia, and can wait patiently, then leave a message in order, we will ship to you from Russia.