send the max amps back. ..
5c either use a online tool to understand what 5 c is on a 2200mah battery..its 11 amps not 5 amps . thats a little over 2.5c charge rate up grade you low end charger
How to Calculate the Charging Time and Charging Current for Battery Charging? 1 T = Time hrs. 2 Ah = Ampere Hour rating of battery. 3 A = Current in Amperes Example: Suppose for 120 Ah battery: