Instruction manual

Rev. P-071510 P/N VDC12248-MNL
BatteryMINDer
®
Model 12248
Page 24
Gel Charge and Float Voltages at Various Temperature Ranges**
Temp
°F
Charge Float Temp
°C
Optimum Maximum Optimum Maximum
≥120 13.00 13.30 12.80 13.00 ≥49
110 – 120 13.20 13.50 12.90 13.20 44 – 48
100 -109 13.30 13.60 13.00 13.30 38 – 43
90 – 99 13.40 13.70 13.10 13.40 32 – 37
80 – 89 13.50 13.80 13.20 13.50 27 – 31
70 – 79 13.70 14.00 13.40 13.70 21 – 26
60 – 69 13.85 14.15 13.55 13.85 16 - 20
50 – 59 14.00 14.30 13.70 14.00 10 - 15
40 – 49 14.20 14.50 13.90 14.20 5 - 9
≤39 14.50 14.80 14.20 14.50 ≤4
**East Penn Technical Manual of Valve-Regulated Lead-Acid (VRLA) Gelled Electrolyte (gel),
E.P.M. Form No. 0139 Rev. 3/04
Note: This chart shows the Charge and Float voltage ranges v. temperature for sealed 24-Volt
Gel type batteries. Values will differ for sealed AGM, Flooded (ller cap) or maintenance-free
types Manifold cover(s).