So my faithful Choiix is showing signs of dying out on me. The pack has served me 3 useful years. However now it does not hold charge for more than 2 days and starts to drain automatically. I have to keep topping it every 2 days. Advice needed. Capacity - 3000 + mAH atleast Pricing - As reasonable as possible Brands - No unknown brands, should have good battery Will be buying from - Either FlipKart or Ebay USA.