BigBattery 48V RHINO Installation and operating instructions

Table of Contents
1. Introduction . . . . . . . . . . . . . . 2
2. Applications & Features . . . . . . . . . . . . . . 2
3. Product Specifications . . . . . . . . . . . . .3-6
3.1. Battery Specs . . . . . . . . . . . . . .3
3.1.1. Safety Features/Specs . . . . . . . . . . .4
3.2. BMS Specs . . . . . . . . . . . . .5-6
4. Warnings & Precautions . . . . . . . . . . . . .7-8
5. Installation . . . . . . . . . . . 8-16
5.1. Parts & Components . . . . . . . . . . . . .8-9
5.2. Wall Mount . . . . . . . . . . .10-14
5.3. Floor Stand . . . . . . . . . .14-16
6. Battery Interface . . . . . . . . . . . 17-18
6.1. Overview . . . . . . . . . . . . . 17
6.2. BMS Codes . . . . . . . . . . . . . 18
7. Recycling . . . . . . . . . . . . . 19
8. Warranty & Returns . . . . . . . . . . . . . 20
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1. Introduction
Introducing BigBattery’s RHINO! The 48V RHINO is the World’s Thinnest
Wall-Mountable Battery. It is also the Largest Capacity Wall-Mountable Battery.
Utilizing Lithium Iron Phosphate (LFP), Razor cell technology, this is the safest
battery in the global market. This User Manual is designed to provide you with an
understanding of the specs, features, capabilities, and installation of this 14
kilowatt-hour, 276 amp-hour battery. Read and take note of all safety information
prior to installing or operating your battery. This document applies only to the
BigBattery 48V RHINO – FWRHN-48140-G1.
2. Applications & Features
Applications:
●Solar
●Home
●Cabin Off-Grid
●Emergency Power
Features:
●Advanced BMS (Battery
Management System)
●Advanced Razor-Cell
Lithium-Ion LiFePO4/LFP
Technology
●Wide temperature range
●Active Fire Suppression system
(to protect from external fires)
●Easy connection to a larger
power system
●Multiple layers of safety and
protection
●Large, User Friendly, standard
175-amp connector for battery
power source
BigBattery’s 48V RHINO battery is the ultimate solution for your solar systems,
off-grid power systems, emergency power supply, and more. The RHINO comes
equipped with an advanced BMS, and the newest cell technology, allowing it to
operate safely within a much wider temperature range. It can be charged quickly, and
stored safely, at temperatures as low as -20 °C (-4 °F), as well as discharge at -30 °C
(-22 °F). These temperatures are much colder than all other LFP batteries. The
RHINO is the Longest Lasting Battery, that will last you 5,000 – 8,000 Complete Full
Charge/Discharge Cycles. The battery utilizes a standard 175-amp connector, which
provides a safe, and very secure connection to your battery unit. The RHINO is
engineered to accommodate two different methods for installation: Both wall
mounting and floor storage.
2
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3. Product Specifications
3.1 Battery Specs
Parameter
Specification
Unit
Chemistry
Lithium Iron Phosphate,
LFP
LiFePO4
Cell Configuration
16S
n/a
Nominal Voltage
48
Volts (DC)
Capacity (Ah)
276
Amp-hours
Capacity (kWh)
14
Kilowatt-hours
Operating Voltage Range
43 – 58.8
Volts (DC)
Charging Voltage Range
55.6 - 58.0
Volts (DC)
Max Charging Voltage
58.8
Volts (DC)
WARNING: Do NOT exceed max charging voltage.
Charging Current Limit
(Continuous)
90
Amps
Discharging Current Limit
(Continuous)
150
Amps
Max Peak Discharge Current
(Over 6 seconds)
350
Amps
Charge Temp Range
-20 - 65
(-4 - 149)
°C
(°F)
Discharge Temp Range
-30 - 65
(-22 – 149)
°C
(°F)
Optimal Discharge Temp Range
15 - 35
(59 - 95)
°C
(°F)
Storage Temperature Range
(Max 6 months)
(Humidity < 90%)
-20 - 35
(-4 - 95)
°C
(°F)
Optimal Storage Temp Range
15 - 35
(59 - 95)
°C
(°F)
Weight
132
(290)
kg
(lb)
Length
110
(43.3)
cm
(in)
Width
-
Width with Wall Mount
11.2
(4.4)
-
14.5
(5.7)
cm
(in)
-
cm
(in)
Height
67.8
(26.7)
cm
(in)
3
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3.1.1 Safety Features/Specs
●Safety:
○BMS (Battery Management System)
○Over Voltage
○Under Voltage
○Overcurrent Protection
○Thermal Management System
○300A Fuse
●Battery Connections
○Series: NOT SERIES CAPABLE
○Parallel: Maximum of eight (8) battery units connected
in parallel
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3.2 BMS Specs
Category
Function
Specification
Unit
Charge Voltage
Protection
Maximum Charger Voltage
(CC-CV)
58.8
Volts (DC)
Overcharge Voltage Limit
Cutoff Protection (each
cell)
3.8
Volts (DC)
Overcharge Voltage Limit
Protection Delay Time
2000
Milliseconds
Overcharge Protection
Recovery Voltage
3.45
Volts (DC)
Discharge
Voltage
Protection
Low Voltage Protection
Limit Range
2.5 - 2.7
Volts (DC)
Low Voltage Protection
Delay Time
2000
Milliseconds
Low Voltage Protection
Recovery
2.9
Volts (DC)
Overcurrent
Protection
Charge Overcurrent
Protection Value Range
270 - 330
Amps
Charge Overcurrent Delay
30
Seconds
Charge Overcurrent
Release Recovery
Condition
Reconnection delayed 120
seconds
Scenario 1:
Discharge Overcurrent
Protection
300
Amps
Scenario 1:
Discharge Overcurrent
Protection Delay
30
Seconds
Scenario 2 (Short Circuit):
Discharge Overcurrent
Protection Range
800 - 1200
Amps
Scenario 2 (Short Circuit):
Discharge Overcurrent
Protection Delay Range
600 - 1800
Milliseconds
Discharge Overcurrent
Protection Recovery
Condition
Reconnection delayed 120
seconds
5
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Category
Function
Specification
Unit
Balance Function
Minimum Cell Voltage to
Activate Cell Balancing
3.35
Volts (DC)
Voltage Difference to
Activate Cell Balancing
10
Millivolts
(DC)
Balancing Mode
Balance when charging
Balancing Current Range
100 - 260
Milliamps
Temperature
Protection
High Temperature
Protection Value when
Charging
65
(149)
°C
(°F)
High Temperature
Protection Release Value
when Charging
55
(131)
°C
(°F)
Low Temperature
Protection Value when
Charging
-22
(-7.6)
°C
(°F)
Low Temperature
Protection Release Value
when Charging
-18
(-0.4)
°C
(°F)
High Temperature
Protection Value when
Discharging
75
(167)
°C
(°F)
High Temperature
Protection Release Value
when Discharging
65
(149)
°C
(°F)
Low Temperature
Protection Value when
Discharging
-30
(-22)
°C
(°F)
Low Temperature
Protection Release Value
when Discharging
-27
(-16.6)
°C
(°F)
Resistance
Resistance in the
Discharge Circuit Range
5 - 10
Milliohms
Self-Power
Consumption
Operating Mode Range
(relay closed)
35 - 50
Microamps
Sleep Mode
0.5
Microamps
Sleep Conditions
No current, communication, or prolonged
protection states
Time to Sleep Mode
18 hours
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4. Warnings & Precautions
Lithium Iron Phosphate (LiFePO4) batteries are an inherently safe chemistry.
However, safety measures should always be taken. Please adhere to the instructions
within this User Manual for safe handling and operation.
Warnings:
Do not charge with a charge voltage above 58.8V.
Do not charge nor discharge battery when ambient temperature is above 65 °C
(149 °F).
Do not install battery where it may contact conductive materials, water, seawater,
strong oxidizers, nor strong acids.
Do not install battery in a location exposed to direct sun, hot surfaces, nor hot
locations. Do not install batteries in a tight clearance compartment, overheating
may result.
Keep any flammable/combustible material (e.g. paper, cloth, plastic, etc.) that may
be ignited by heat, sparks, flames, or any other heat source at a minimum distance
of two feet away from the batteries.
Disconnect batteries immediately if, during operation or charging, they emit an
unusual smell, develop heat, or behave abnormally.
Have a Class ABC or Class BC fire extinguisher on the premises.
Precautions:
Handle batteries and/or battery-powered devices cautiously to not damage
the battery casing or connections.
Do not charge battery if ambient temperature is below -20 °C (-4 °F), nor
discharge battery if ambient temperature is below -30 °C (-22 °F).
Before storing battery for more than 6 months, charge the battery to 53V or
above.
For long-term storage, disconnect batteries from your power system.
Always wear protective gear when handling batteries.
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Do not place any objects on top of batteries.
Make sure all cable connections are properly tightened.
Install and remove batteries using the handles provided.
Installation Safety Guidelines:
●Inspect batteries upon receipt for any signs of damage before use.
●Check to ensure that all cables are in good condition.
●Use a screwdriver with a rubber coated handle.
●When your battery has been charging and has come to maximum charge (up to
58.8V max.), your battery may experience a slight voltage drop either immediately or
within the hour after unplugging. This is normal and should be no cause for concern.
5. Installation
WARNING: Before installing, make sure to review all safety guidelines,
warnings, and precautions in Section 4.
5.1 Parts & Components
General
RHINO (1)
110 x 11.2 x 67.8 cm
(43.3 x 4.4 x 26.7 in)
(WR)
Standard 175-amp connector to
Ring Terminal Cable (1)
101.6 cm
(40 in)
(SB)
Rope Handles (2)
56.4 cm
(22.2 in)
(RH)
Flat Top Screws (4)
1.3 cm
(0.5 in)
(FS)
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Wall Mount Option
Mounting Cross Bars (2)
90.9 cm
(35.8 in)
(A1 & A2)
Spreader Bars (2)
57.8 cm
(22.75 in)
(B1 & B2)
Mounting Screws (6) (M8 X 60)
(brick/concrete)
5.8 cm
(2.3 in)
(MS1)
Mounting Screws (6)
(drywall/wood)
7 cm
(2.75 in)
(MS2)
Floor Stand Option
Floor Stand (1)
110 x 29.9 x 82.6 cm
(43.3 x 11.75 x 32.5 in)
(FLS)
Crossbar Plates (2)
11 cm
(4.33 in)
(CP)
Pan Screws (4)
1.9 cm
(0.75 in)
(PS)
9
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5.2 Wall Mount
Step 1:
If installing onto wood-studded drywall:
1. Choose the height you would like to install the battery and locate studs
with a stud finder where you will mount the top cross bar (A1).
2. Use a small drill bit to find the edges of the stud by drilling several small
holes horizontally.
3. Mark the center of the studs with a small vertical line.
4. Make another set of marks denoting the center of the studs 55.3 cm
(21.75 in) below your original markings. These will be for your second
mounting bar (A2).
5. Place and level the first cross bar (A1) to line up the holes in the first cross
bar (A1) with the center stud marks.
6. Level and fasten first mounting cross bar (A1) onto the wall where you will
be installing your RHINO using the MS2 screws provided. This will be the
top crossbar of your wall mount
If installing onto brick or concrete wall:
1. Choose the height you would like to install the battery.
2. Place and level the top cross bar (A1).
3. In each of the holes on the first cross bar (A1), mark the wall.
4. Make another set of marks denoting the center of the studs 55.3 cm
(21.75 in) below your original markings. These will be for your second
mounting bar (A2).
5. Drill holes into the wall over each marking, and place the anchor portion of
each of your mounting screws (MS1) in each hole.
6. Place the first cross bar (A1) so it lines up with your drilled and anchored
holes.
7. Level and fasten first mounting cross bar (A1) onto the wall where you will
be installing your RHINO using the MS1 screws provided, as seen in Figure
1. This will be the top crossbar of your wall mount.
Fig. 1
(Make sure to use the appropriate mounting screw - MS1 or MS2 - for the
material you will be mounting to)
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Step 2:
If installing onto wood-studded drywall:
1. Place and level the second mounting crossbar (A2) on the wall exactly 55.245
cm (21.75 in) (bottom of A1 to bottom of A2) below the top crossbar (A1).
Use the spreader bars (B1 & B2) to determine appropriate distance, as seen in
Figure 2.
2. Ensure the holes of the second mounting crossbar (A2) line up with the
markings made in Step 1.
3. Once position is set, mount second crossbar (A2) to wall using the MS2
screws provided, as seen in Figure 1. This will be the bottom crossbar of your
wall mount.
If installing onto brick or concrete wall:
1. Drill holes into the wall over each marking made in Step 1, and place the
anchor portion of each of your mounting screws (MS1) in each hole.
2. Place and level the second mounting crossbar (A2) on the wall exactly 55.3
cm (21.75 in) (bottom of A1 to bottom of A2) below the top crossbar (A1).
Use the spreader bars (B1 & B2) to determine appropriate distance, as seen in
Figure 2.
3. Ensure the holes of the second mounting crossbar (A2) line up with the drilled
and anchored holes.
4. Once position is set, mount second crossbar (A2) to wall using the MS2
screws provided, as seen in Figure 1. This will be the bottom crossbar of your
wall mount.
Fig. 2
(Spreader bars – B1 & B2 – are not weight-bearing, and are intended for
alignment purposes only)
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Step 3:
1. Once both top and bottom mounting crossbars (A1 & A2) are secured to your
wall, set your first spreader bar (B1) onto crossbars (A1 & A2). Assuming the
crossbars (white) were installed with the appropriate distance between them,
the spreader bar (B1) should set cleanly in place.
2. Secure first spreader bar (B1) onto crossbars (A1 & A2) with pan screws (PS)
provided, as seen in Figure 3.
3. Repeat this process for your second spreader bar (B2).
Fig. 3
(Image shows top of B2 and right side of A1)
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Step 4:
1. Attach rope handles (RH) to sides of RHINO using the flat top screws (FS)
provided, as seen in Figure 4.
Fig. 4
Step 5:
1. Using rope handles (RH) and supporting the front of the unit with your hand,
set RHINO onto mounting crossbars (A1 & A2), as seen in Figure 5. If
crossbars are spaced appropriately and level, RHINO should set cleanly onto
the crossbars (A1 & A2).
Fig. 5
(NOTE: For safety, use at least 3 people when lifting and setting RHINO onto wall
mount. 4+ people is recommended for maximum safety.)
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Step 6:
1. Connect the Ring Terminals of your Anderson SB175 to Ring Terminal Cable
(SB) to your power system.
2. With the RHINO now mounted on your wall, remove side panel of RHINO.
3. Connect Anderson SB175 end of Anderson SB175 to Ring Terminal Cable (SB)
to Anderson SB175 cable inside of the RHINO, as seen in Figure 6.
4. Reattach side panel of RHINO.
Fig. 6
5.3 Floor Stand
WARNING: Before installing your RHINOs onto the floor stand (FLS),
make sure the wheels are facing outward with the locking mechanism
engaged. If wheels are rotated inward, regardless of whether locking
mechanism is engaged, there is a greater risk of the floor stand (FLS)
tipping over which could result in injury.
Step 1:
1. Attach rope handles (RH) to sides of the first RHINO unit using the flat top
screws (FS) provided, as seen in Figure 4.
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Step 2:
1. Set first RHINO onto one side of floor stand. The RHINO should set cleanly
into the cutout section of the white mounting bar on the inside the floor stand
(FLS), as seen in Figure 7.
Fig. 7
(NOTE: For safety, use at least 2 people when lifting and setting RHINO onto floor
stand (FLS). 3+ people is recommended for maximum safety.)
Step 3:
1. Connect the Ring Terminals of your Anderson SB175 to Ring Terminal Cable
(SB) to your power system.
2. Remove side panel of RHINO.
3. Connect Anderson SB175 end of Anderson SB175 to Ring Terminal Cable (SB)
to Anderson SB175 cable inside of the RHINO, as seen in Figure 6.
4. Reattach side panel of RHINO.
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Step 4:
1. Repeat Steps 1 – 3 with your second RHINO. When finished, your RHINOs and
floor stand should resemble Figure 8.
Fig. 8
Step 5:
1. Once both RHINOs are set into place, set crossbar plates (CP) onto
corresponding screw holes on the top of the floor stand
2. Secure to floor stand with the flat top screws (FS) provided, as seen in Figure
9.
3. Once crossbars are secured, you may unlock wheels and move your RHINOs
freely.
Fig. 9
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6. Battery Interface
6.1 Overview
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6.2 BMS Codes
Symbol
Category
Description
COV
Voltage Protection
Over voltage protection by battery
cell level
CUV
Voltage Protection
Under voltage protection by battery
cell level
POVP
Voltage Protection
Whole pack over voltage protection
PUVP
Voltage Protection
Whole pack under voltage protection
COCP
Temperature
Protection
Over temperature protection while
charging
CUTP
Temperature
Protection
Under temperature protection while
charging
DOCP
Temperature
Protection
Over temperature protection while
discharging
DUTP
Temperature
Protection
Under temperature protection while
discharging
COTP
Current Protection
Overcurrent protection while
charging
SC
Short Circuit
Short circuit protection
LOCK
Status
Lock status
NOMAL
Status
Normal status
7. Recycling
Dispose of LiFePO4 batteries at an authorized lithium recycling facility, or
please return to BigBattery. We can take care of your batteries for
recycling for you.
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8. Warranty & Returns
In the unlikely event you are having an issue with one of our batteries we have
developed a straightforward warranty & return policy which includes the following:
●For all returns or warranty claims contact[e-mail].
●30-day money back guarantee.Returns of undamaged batteries unrelated to warranty
claims may be issued full refunds less a 20% restocking fee.
●We have a10-year warrantyon all new batteries. For more information, visit the Policies
page at BigBattery.com.
●We offer a 30-day warranty on all cells, accessories & complimentary products
(Anderson connectors, wires, chargers, etc.).
●Warranty only applies to original owner (non-transferable).
●Warranties can be used for an exchange of a component only once per component.
●Operating the battery outside of acceptable parameters, according to our listed battery
specs (ref. Section 3.1) will void your warranty.
●Example: Using an incorrect charger may exceed max. charging voltage
specifications.
●WARNING: Make sure to use the appropriate charger for your battery.
●Customer pays return shipping on returns or warrantied component inspections initiated
after the first 30 days of ownership. Please note some battery returns may require
special documentation and packaging, and these instances will encounter extra fees.
This is to correctly comply with lithium battery shipping regulations.
●If you have a quality issue with a product, pleasecontact our support teamto help
properly diagnose the problem. If the product you receive does not meet our rigorous
quality standards, then we will issue you a replacement component or fix the original at
no additional cost. Replacement batteries or components will only be sent after we have
received your returned battery or component and finished an inspection to determine the
cause of any problems. BigBattery is not responsible for return shipping.
●DIY modifications or damage due to gross negligence or abuse are not covered by the
warranty.

For all returns, please mail your package in a traceable method to the address below. Include
a note with your name, your order number and describing your situation and/or request.

BigBattery Inc.
Technical Support Team
[e-mail]
[phone], ext. 1005
9667 Owensmouth Ave., Suite 105
Chatsworth, California 91311
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