When thebattery is not used for more than a month,charge or discharge it to a state of
charge of 40-70%.
Troubleshooting
NOTE:For assistance with Battery Safety, Operation, and Maintenance, refer to the
Original Equipment Manufacturer's (OEM) Owner’s manual.
1. Check user display panel for fault indication. See User Display Panel Fault
Indication.
2. Remove the battery from the equipment and connect to the charger. Make sure the
battery properly charges.
3. If the battery continues not to operate,speak to a Briggs & Stratton Authorized
Representative at 1-888-459-1019.
Specifications
Specifications Chart
48V 24V
Nominal Voltage 51.6V 25.8V
Top Voltage 58.8V 29.4V
Cut-off Voltage 35.0V 17.5V
Discharge
Temperature Range
-4 °F to +140 °F (-20 °C to 60 °C)
Storage Temperature
1 month
-4 °F to +140 °F (-20 °C to +60 °C)
Storage Temperature
1 year
-4 °F to +77 °F (-20 °C to +25 °C )
*Charging Temperature
Range
14 °F to 113 °F ( -10 °C to 45 °C)
Maximum Heat
Exposure
158 °F (70 °C) 158 °F (70 °C)
**Minimum IPX Rating IP56+ Pressure Wash IP56+ Pressure Wash
Hazardous Material
Classification
Class 9 Class 9
*Charging temperature rangescanchangebecause ofthe configuration of the equipment where the battery is
installed.
** A higher IPX Rating may be achieved with certain battery configurations.
Compliance
FCCCompliant
Pursuant to part 15.21 of the FCC Rules, you are cautioned that changes or
modifications to the product not expressly approved by Briggs & Stratton could void
your authority to operate the product.
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth
SIG, Inc. and any use of such marks by Vanguard is under license. Other trademarks
and trade names are those of their respective owners.
Vanguard™ Battery Warranty
Effective March 2023
Limited Warranty
Briggs & Stratton warrants that, during the warranty period specified below, it will repair
or replace, free of charge, with a new, reconditioned or re-manufactured part, at the
sole discretion of Briggs & Stratton, any part that is defective in material or workmanship
or both. Transportation charges on product submitted for repair or replacement under
this warranty must be borne by purchaser. This warranty is effective for and is subject
to the time periods and conditions stated below. For warranty service, find the nearest
Authorized Battery Service Dealer in our dealer locator map at vanguardpower.com.
The purchaser must contact the Authorized Battery Service Dealer, and then make the
product available to the Authorized Battery Service Dealer for inspection and testing.
There is no other express warranty. Implied warranties, including those of
merchantability and fitness for a particular purpose, are limited to the warranty
period listed below, or to the extent permitted by law. Liability for incidental or
consequential damages are excluded to the extent exclusion is permitted by law. Some
states or countries do not allow limitations on how long an implied warranty lasts,
and some states or countries do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation and exclusion may not apply to you.
This warranty gives you specific legal rights and you may also have other rights which
vary from state to state and country to country*.
Warranty Period
Vanguard™ 1.5kWh Battery Packs1, 2, 3
36 Months, or 0.9 Adjusted Discharge Megawatt-hours (whichever comes first).
Vanguard™ 3.5kWh Battery Packs1, 2, 3
36 Months, or 2.1 Adjusted Discharge Megawatt-hours (whichever comes first).
Vanguard™ 5kWh Battery Packs1, 2, 3
36 Months, or 3.0 Adjusted Discharge Megawatt-hours (whichever comes first).
Vanguard™ 7kWh Battery Packs1, 2, 3
36 Months, or 4.2 Adjusted Discharge Megawatt-hours (whichever comes first).
Vanguard™ 10kWh Battery Packs1, 2, 3
36 Months, or 6.0 Adjusted Discharge Megawatt-hours (whichever comes first)
1These are our standard warranty terms, but occasionally there may be additional
warranty coverage that was not determined at time of publication. For a listing of
current warranty terms for your battery, go to vanguardpower.com or contact your
Authorized Battery Service Dealer.
2There is no warranty for batteries on equipment used for prime power in place of a
utility; vehicles used in competitive racing or on commercial or rental tracks.
3Adjusted Discharge Megawatt-hours is calculated by adding the total cumulative
megawatt-hours discharge of the battery with two times the total cumulative megawatt-
hours of discharge of the battery while in the “alarm” state (both values as reported by
the battery).
*In Australia - Our goods come with guarantees that cannot be excluded under the
Australian Consumer Law. You are entitled to a replacement or refund for a major
failure and for compensation for any other reasonably foreseeable loss or damage.
You are also entitled to have the goods repaired or replaced if the goods fail to be of
acceptable quality and the failure does not amount to a major failure. For warranty
service, find the nearest Authorized Battery Service Dealer in our dealer locator map
at BRIGGSandSTRATTON.COM, or by calling 1300 274 447, or by emailing or writing
Moorebank Avenue, Moorebank, NSW , Australia, 2170.
The warranty period begins on the original date of purchase by the first retail or
commercial consumer. "Consumer use" means personal residential household use
by a retail consumer. "Commercial use" means all other uses, including use for
commercial, income producing or rental purposes. Once a battery has experienced
commercial use, it shall thereafter be considered as a commercial use battery for
purposes of this warranty.
In order to ensure prompt and complete warranty coverage, register your product on-
line at www.onlineproductregistration.com.
Save your proof of purchase receipt. If you do not provide proof of the initial purchase
date at the time warranty service is requested, the manufacturing date of the product
will be used to determine the warranty period. Product registration is not required to
obtain warranty service on Vanguard products.
About Your Warranty
This limited warranty covers battery-related material and/or workmanship issues only,
and not replacement or refund of the equipment to which the battery may be mounted.
Normal wear and tear are not covered under this warranty. Similarly, warranty is not
applicable if the battery has been altered or modified or if the battery serial number has
been defaced or removed. The battery will experience capacity loss over time and with
use. Loss of capacity is not covered under this warranty. This warranty does not cover
damage or performance problems caused by:
4 vanguardpower.com