LEAD CARBON BATTERY, QUICK CHARGING 2000 CYCLES, EXCEED 5 YRS, CELL 2.0, C 1.0Amp. VNo.78. D.I.Y 

LEAD CARBON BATTERY, QUICK CHARGEABLE SINGLE CELL VOLT 2, CURRENT 1.0 Amp, 2000 cycles with discharge of 50%, excellent shelf life exceeding 5 years.
Neg grid contains 25% carbon added.
positive grid contains lead oxide
refer my previous videos on lead acid battery 50% light weight and other videos w.r.t drying, soaking, forming, charging steps in detail.