Shorai LFX User manual
Do not throw away the box or any
foam packaging until after
installation is complete!!
See http://www.shoraipower.com/guides
for install guides, product manuals, and specifications.
CAUTIONS
Do not short terminals together!
Do not short, nor attach anything to the 5-pin
BMS port except Shorai BMS01 Chargers.
Do not open or damage the battery case
Use anti-corrosion spray on terminals during
use in salty and/or wet environments
Keep batteries away from pets and children
Do not allow discharge below 13.0V
(resting 13.0V for 12V types, 6.5V for 6V types)
Do not allow charge voltage in excess of
14.8V (7.4V for 6V types)
Lead-acid chargers which employ a high-
voltage “anti-sulfation” routine may ‘error”
during charge, or cause overcharge damage..
Standard lead-acid chargers with peak charge
voltage spec. of 14.4V or less may be used.
However, for best performance and battery
life, we recommend Shorai Battery
Management Charger #BMS01
Fully discharge before disposal
CONTENTS
Shorai LFX Starter Battery, with one set
terminal screws/nuts
Spare set terminal screws/nuts (A3 steel, tin
plated)
Five Shorai Decals, in three sizes
Various sheets of high-density, adhesive-
backed foam sheets for LFX fitment to stock
battery box (if needed)
Outer packaging, with battery specifications
and dimensions listed
This User’s Guide
INSTALLATION
First, remove the original lead-acid battery from
your vehicle, according to the maker’s guidelines.
Compare the original battery side-by-side with
the new LFX battery. First check that the Polarity
(+/- terminals) arrangement is the same on both. If
not, contact Shorai directly for advice. Next check
that the LFX battery does not exceed the size of the
original in any dimension (length, width, height). If
the LFX is larger in any dimension, and therefore will
not fit into the stock battery box, please contact
Shorai directly.
Assuming that polarity and size are correct, now
compare the original battery to find any dimension in
which it is larger than the LFX replacement.
For example, the two may have the same width, but
the original is 25mm taller, etc. For any such
difference, apply the appropriate thickness of the
included adhesive-backed foam pieces to the
vehicle’s battery box, so the LFX battery fits snugly
inside and can attach to the battery cables. (Image
below: 5mm= 0.2”)
The LFX batteries can bolt cable eyelets to either
the top or front sides of the terminals. Choose
whichever allows best cable fit. Max torque for the
terminal screws is 30kg/cm (27 inch/lb.). Do not
over-tighten. A quality anti-corrosion spray on the
terminals is recommended if used in salty and/or wet
environments.
Check that the positive terminal of the LFX
battery cannot short against any part of the vehicle;
and be sure that the original positive terminal cover,
if any, is re-installed on the LFX battery before the
battery box cover is fitted.
Shorai LFX batteries are charged to 60% of
capacity when shipped. As such it is best practice to
charge the battery before first use. Do avoid
extended cranking tests after install. Owners of
Shorai BMS01 charger systems may use the CHARGE
mode to fully top the battery, as the BMS01 will
insure ideal cell balance and perform diagnostics to
guarantee best performance. Otherwise an hour on a
proper lead acid charger before first use should be
adequate (max charge rate should be 2A in this case).
USAGE
The most damaging two conditions for any starter
battery are prolonged storage at high temperatures,
and allowing the battery to be deeply discharged.
Compared to lead-acid batteries, LFX have less
than 1/4th the average self-discharge rate, and
therefore can be stored much longer without a
charge. In fact, if there is no current flow in the
system when your vehicle’s key is OFF, Shorai LFX
can be stored one year or more, without damage.
Vehicles which do have a current drain while
turned off will need the battery periodically charged,
depending on the rate of current drain. If you ride at
least two hours per month year-round, that is usually
sufficient. For storage in excess of a month, the
Shorai BMS01 Battery Management System is highly
recommended, as it has a dedicated STORE mode
which monitors battery voltage levels and
automatically restores ideal voltage levels for best
battery life, while also balancing the internal cells and
monitoring battery condition. Seasonal storage can
also be achieved by disconnecting the negative
battery cable, to eliminate any key-off draw on the
battery.
High temperatures accelerate aging for any
battery type. When LFX are stored, the ideal
temperature for maximum lifespan is 1C (34f). As
such, it is always best to locate your vehicle in the
coolest possible location while in storage. If you
know that your vehicle will be unused for an
extended period of time - and during that time it will
be exposed to high temperatures - you may remove
the LFX and store it in a cool place - even a
refrigerator. If so, do be sure that the terminals are
taped and the battery bagged in plastic to avoid
possibility of shorting or corrosion. Running the
BMS01 system STORE MODE on the LFX battery
before cool storage will insure optimal results.
Again, these temperature notes generally apply
to batteries of any type, and that it is not necessary
to be overly concerned. This storage advice is for
those who want the longest possible lifespan from
their new Shorai LFX batteries.
WARRANTY (North America)
Shorai Inc. offers a Limited Three-Year Warranty
for LFX batteries, for defects in material and/or
workmanship.
All warranty claims for North America are handled
directly by Shorai Inc. (USA).
For online submission of warranty claims or Return
Merchandise Authorization (RMA#) assignment visit
www.shoraipower.com/rma
Please do NOT return any product without an
RMA#, or before Shorai has contacted you to perform
some simple diagnostics. In many cases issues can
be solved prior to return.
Conditions which may not be covered
• Physical Damage to the battery after purchase
(impact, etc)
• Over-voltage or over-current charging
• Other errors by charger or user setting of charger
• Current draw in excess of CCA specification
• Cranking cycles >10 sec duration
• Short circuit of main terminals or BMS port
• Improper connections to the 5-pin BMS port
• Damage due to OVER DISCHARGE
(do not forget headlights and grip warmers, etc!!)
See the online FAQ for more information on the
above usage limitations, and care tips:
http://www.shoraipower.com/faq
Returns MUST be accompanied by:
* A copy of Original Dealer Receipt (or Shorai Order ID#)
* Shorai-Issued RMA#
Returns without Receipt and/or RMA# can only be
replaced at 25% discount from Shorai MSRP
(suggested retail) price, plus return shipping charges:
Products found NOT defective after in-house testing
at Shorai can only be returned to customers, at their
expense for shipping.
The warranty is a pro-rated policy, divided into four
periods from date of purchase:
Month 1~6 7~12 13~24 25~36
Discount
from msrp 100% 75% 50% 25%
Customers are responsible for paying initial shipping
charge to return batteries. Shorai Inc. will pay
shipping on replacement batteries sent to customers,
except those without copy of receipt and/or RMA#.
Note that for any Shorai product which is purchased
from a North American dealer (or Shorai Inc. USA)
and shipped to an end user outside North America,
ALL shipping costs related to warranty claims are the
responsibility of the user.
NON-WARRANTY RETURNS
Any merchandise in “new” condition which was
originally purchased via the Shorai website may be
returned to Shorai Inc within 30 days of purchase.
For “as new” returns to other sellers, please consult
your seller for their terms.
Merchandise must be accompanied by a Return
Authorization Number, copy of receipt or order
number, and all original packaging in “new”
condition.
Refunds will be granted less the actual original
shipping cost if it was a “free shipping” item. A
restocking fee may be assessed - or refund entirely
refused - in case the product or packaging is
damaged, depending on severity.
SHIPPING DAMAGE
Any item damaged in transit must be reported to
the SHIPPER IMMEDIATELY upon opening of the
package, and also Shorai Inc. All original packaging
must be retained until further notice.
Shorai will respond with instructions ASAP, after
consultation with the shipping agent.
Thank you for choosing Shorai LFX! We hope and
expect that you’ll be pleased with the performance of
our products, for years to come. Do be sure to
contact us if you have questions, problems, or
suggestions; we’re here to help.
SHORAI INC.
845 STEWART DR., SUITE D
SUNNYVALE, CA 94085
TEL: 408-720-8821
FAX: 408-720-1537
See shoraipower.com for full product details, install
guides, RMA Return forms, and much more…
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