Brandywine Portable Timing Unit - Figure 8 - Ptu Battery Status; Viewing the Battery Status

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MANUAL&P/N&900000118&REV&D&
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5.3.4 Viewing(the(Battery(Status(
Under!the!status!heading!of!the!main!menu,!select!“Battery”!to!view!a!graph!
showing!the!current!Battery!voltage,!and!a!gra p h!showing!the!charging!and!
discharging!amperage.!
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5.3.4.1 How-the-battery-charges-
The!PTU!has!a!battery!life!of!approximately!eight!hours!at!25ºC,!and!takes!about!12!
hours!to!charge.!!The!charger!is!a!constant!current!charger!until!the!battery!voltage!
reaches!14.3V,!at!which!point!it!changes!to!a!constant!voltage.!!Once!the!battery!
drops!below!100ma,!the!charge!voltage!switches!to!a!‘trickle!charge’!mode!at!13.8V.!
Figure+8+-+PTU+Battery+Status+