Here's a great battery for your Ebike. This is the HL (Segl) 48v EA304L29H- SSE079 battery with 11.6 ah and 542.88 wh. This is a rack mount battery often found on folding and ladies style ebikes This is the same battery that comes on the Gravity Ladies XrodE bicycles but will fit others. Check with your manufacturer Here are some detailed specs: Model number: SSE-079 Max cell space: 18650 52 pcs Configration:7S7P/10S5P/13S4P Material:PC+ABS Charging port: DC2.1 port Discharging port: 4pin port Lock: Mechanical lock Capacity indicator: 4 lever LED capacity indicator