05/08/201505/08/2015 The Heart 48V/5A charger – can be used for 30Ah/20Ah/15Ah, for all the 48V battery packs. Size – 50*90*135mm. Charging time : about 5-6Hours for 30Ah pack, 20Ah/5A-4h, 15Ah/5A-3h. Share this:TwitterFacebookLike this:Like Loading...