The KNP-20 or HKN-20 is a Nickel Iron battery and are welded together in two's and produce 2.4 Volts 20Ah. Size 80*60*120mm.
Used with the Russian R-107 and other radios. The battery is supplied without electrolyte and must be filled before charging. Electrolyte is a solution of Potassium Hydroxide in distilled water with a small amount of Lithium Hydroxide. Electrolyte density 1.16 g/ml. Normal charging rate, 4 Amp for 6 hours. New and un-issued dated 1983, untested.
Used with the Russian R-107 and other radios. The battery is supplied without electrolyte and must be filled before charging. Electrolyte is a solution of Potassium Hydroxide in distilled water with a small amount of Lithium Hydroxide. Electrolyte density 1.16 g/ml. Normal charging rate, 4 Amp for 6 hours. New and un-issued dated 1983, untested.
