Assemblies of 8 elements Boston Swing 5300. Capacity - 42Ah Nominal. voltage - 3.65V Operating range - 2.75-4.2V Int. resistance - 2.65mOm (1kHz) Dimensions - 39 * 69 * 186 Weight - 0.905kg Conclusions - copper bus 1.5 * 10mm, hole 4.8mm. Life cycle (1C) - 1000 (100% DOD) - 2000 (90% DOD) - 3000 (80% DOD) Features - good number of cycles, work at sub-zero temperatures (charge from -20 degrees, discharge from -40 degrees). Wholesale price - $ 21 (from 10pcs)