Battery Tender High Frequency On Board Battery Charger 48V @ 10A (PN 022-0170-1) User Instructions - Manual (Page 5)

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Three packs are shown: 4 separate 6 volt batteries in series, 2 separate 12 volt
batteries in series, and 3 separate 8 volt batteries in series.
Each of the battery packs shown so
far have only had batteries
connected in series. Notice how
the positive post (terminal) of one
battery is connected to the
negative post (terminal) of the next
battery. The voltage of each
battery adds to create a larger total
battery pack voltage.
PARALLEL CONNECTIONS: When batteries are connected in parallel,
the positive posts are connected together, and the negative posts are connected
together. The result is that the battery voltage stays the same, but the total output
capacity (amp-hours) of the battery pack is increased for each additional battery
that is connected in parallel.
Many combinations are possible. The 3 examples of batteries connected in parallel
above show two 12-volt batteries, three 8-volt batteries, and four 6-volt batteries.
Notice that each example shows the total battery pack voltage to be exactly the
same as each individual battery. Also, the total battery pack amp-hour capacity is
increased equally by the total number of batteries. 2 x 85 Ah = 170 Ah. 3 x 60 Ah =
180 Ah. 4 x 75 Ah = 300 Ah.
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Technical Specifications
Input Voltage / Frequency
(Factory Setting ONLY)
120 / 240 VAC, 50 / 60 Hz
Input Current (Maximum) 9.0 Amps RMS (4.5 Arms on 12V only)
Output Current Typical 20 Amps, 20 Amps, 15 Amps, 10 Amps
Output Voltage 12 VDC, 24 VDC, 36 VDC, 48 VDC
Charger Output Voltage Amplitudes throughout the entire charge algorithm, including
absorption, equalization, and float maintenance, are consistent with the optimum charging
recommendations of the major lead-acid battery manufacturers.
Maximum Operating Temperature 50
°C Typical
Charger Case Dimensions:
13.0 in (330 mm) L x 7.75 in (197 mm) W x 3.5 in (89 mm) H.
Shipping Weight: with Accessories: Approx. 10 lbs (4.6 kg)
Design Conformance & Revision: All charger products are 100% inspected and
electrically tested prior to shipment. All battery charger designs are proprietary and subject
to change without notice.
WARRANTY: 2 YEARS FROM DATE OF PURCHASE
DELTRAN CORPORATION, 801 INTERNATIONAL SPEEDWAY BLVD., DELAND, FLORIDA
32724 MAKES THIS LIMITED WARRANTY TO THE ORIGINAL PURCHASER. THIS
WARRANTY IS NOT TRANSFERABLE.
Deltran warrants the High Frequency SMT Golf Car charger for 2 years from the date of
purchase against defective material or workmanship only. If Deltran qualified service
technicians determine that the likely cause of the battery charger product malfunction is due to
either defective material or workmanship, then the battery charger will be repaired or replaced at
the discretion of Deltran.
THIS LIMITED WARRANTY IS VOID under the following conditions:
1) The product is misused, subjected to careless handling, or operated under conditions of
extreme temperature, shock, or vibration beyond Deltran’s recommendations for safe and
effective use.
2) The product is disassembled or repaired by anyone who is not a Deltran factory authorized
service representative.
3) The electrical connections to either the AC input or the DC output of the charger are modified
without the express written consent of the Deltran engineering department.
The manufacturer makes no warranty other than this limited warranty and expressly excludes any
implied warranty including any warranty for consequential damages.
THIS IS THE ONLY EXPRESS LIMITED WARRANTY AND THE MANUFACTURER NEITHER
ASSUMES NOR AUTHORIZES ANYONE TO ASSUME OR MAKE ANY OTHER OBLIGATION
TOWARDS THE PRODUCT OTHER THAN THIS EXPRESS LIMITED WARRANTY. THE
MANUFACTURER MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR
PURPOSE OF THIS PRODUCT AND EXPRESSLY EXCLUDES SUCH FROM THIS LIMITED
WARRANTY. SOME STATES MAY NOT ALLOW THESE EXCLUSIONS.
DELTRAN CORPORATION
801 International Speedway Blvd., DeLand, Florida 32724
Phone 386-736-7900 FAX 386-736-0379 www.batterytender.com