BREN-TRONICS, INC.
10 Brayton Court
Commack, NY 11725
P: 631-499-5155 | F: 631-499-5504
www.bren-tronics.com
Page 4 of 25
ALT 170C
(BTC-70844-2)
PR4G WORKSHOP CHARGER
OPERATION MANUAL
850084 REV D
Data presented in this document is subject to change without notice
1 INTRODUCTION
1-1 SCOPE
The ALT 170C Universal Workshop Charger (P/N BTC-70844-2) is a state-of-the-art,
high performance lightweight portable battery charger designed for field deployment or
shop usage. It provides fast reactivation of various rechargeable batteries. It is
capable of sequentially charging up to eight batteries completely unattended.
The ALT 170C is simple to use by design. Without any user intervention, the ALT
170C charges up to eight batteries. It automatically identifies the specific battery type
and provides the appropriate charge profile. Based on the current operating
environment, the ALT 170C automatically customizes the charge profile to provide the
quickest charge in a safe manner. The charge status for each of the eight batteries is
conveyed to the user via three easy-to-understand panel mounted LED indicators
(amber – CHARGE, green – READY and red – FAULT).
The ALT 170C is universal by design. It can readily use either AC or DC input power –
whichever is most convenient for the user. The universal AC input fully allows 85-264
Vac and 47-420Hz operation without any adjustment or user intervention. Additionally,
the DC input power permits a range of 20-33Vdc, standard on most military vehicles.
The ALT 170C is adaptive by design. It is microprocessor controlled and is presently
programmed to automatically charge over 80 different battery types as listed in Table
1. With the appropriate battery adapter, however, it can be readily reprogrammed via
RS232 software upgrade port in the field to charge a countless number of additional
battery types and chemistries including: Nickel Metal Hydride, Nickel Cadmium,
Lithium Ion, and Lithium Polymer. The ALT 170C also provides a Revitalization
function for Nickel Cadmium batteries and a Destorage function for Lithium Ion
batteries.
The battery charger components are housed in a durable, non-conductive ABS
equipment case, as shown in Figure 1. The assembled unit is watertight when the
cover is securely latched and the pressure equalization valve on the front of the case
(near the carrying handle) is closed. The Charger is a standard BTC-70844 shipped
with four BTA-70589A Adapters.
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