depends on the type of charger, not brand. if your GP or Sanyo charger are the timer-based ones, using them to charge the 2000mAH batteries would result in undercharging and spoil them in the long run. Get a better charger instead (try Eastgear).
depends on the type of charger, not brand. if your GP or Sanyo charger are the timer-based ones, using them to charge the 2000mAH batteries would result in undercharging and spoil them in the long run. Get a better charger instead (try Eastgear).