Table of Contents

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Assumptions

18650 Battery Assumptions

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Would need to step down the voltage to 12v which may introduce some losses.
Could not charge it off of the car

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Configuration

Battery Spec

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3S56P - (

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130 Ah)

Specification	Value
Nominal Voltage (3 x 3.7v)	11.1v
Max Voltage (3 x 4.2v)	12.6
Min Voltage (3 x 3.0v)	9v
Cells in Series for Voltage	3
Parallel Cells to Get Capacity 80Ah/2.0Ah	6456
Total Cells Required	192168

Specification	Details
Capacity	112-128-147.2 8 Ah
Cell Capacity	2.0-2.3 Ah
Cells	3x643x56=192 cells

Battery Capacities

https://docs.google.com/spreadsheets/d/1mlgodp0UQAi1QGu0aGxJdH-wnCkg5dZosCjmBs_kSDo/edit#gid=0

Rpackr Configuration:

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168 cells

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The Plano 50 Cal Ammo Box will can hold 2 of these packs for a total of 150Ah ( 192 cells (about 150Ah).

Battery Management System

50A BMS

3Series 50A 11.1V/12V/12.6V BMS PCB Protection Board for 18650 3S 100A Li-ion Lithium 18650 BMS Battery Charger Protection Board Battery Cell with Balance

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discharge release voltage detection voltage detection delay protection current

Features
Continuous Discharge Current: 50A Momentary Discharge Current: 150A Charge Voltage:
Feature	Details
Large discharge current	100A
Instantaneous discharge current	150A
Charging voltage	Overcharge detection voltage	12.6V
Large charge current	10A
Charge Current: 50A Overcharge Detection Voltage: 4.28±0.05V025V Overcharge protection delayProtection Delay: 0.5S Overcharge release voltageCancel Voltage: 4.08±0.1V	Power balance detection voltage	Balance Detection Voltage: 4.20±0.05V	Power balance release voltage	Over discharge detection voltage	025V Balance Cancel Voltage: 4.20±0.05V
Electricity balance current	42±5mA
Balance Current: 60±5mA Over-discharge Detection Voltage: 2.8±0.1V	Overdischarge detection delay	Over-discharge Detection Delay: 0.1S Over	-discharge Cancel Voltage: 3.0±0.1V Overcurrent	Detection Voltage: 150mV Overcurrent	Detection Delay: 9mS Overcurrent	200±10A
Overcurrent protection release condition	Disconnect the load
Short circuit protection conditions	External load short circuit
Short circuit detection delay	250uS
Main circuit conduction resistance	≤25mΩ
Working current	≤20uA
Sleep current (when battery is over)	≤10uA
Size	8.2x5.1cm/3.23x2.01inch

Test Results of Batteries

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Protection Current: 200±10A
Protection Cancel Condition: Disconnect Load
Short Circuit Protection Condition: Outside Load Short Circuit
Short Circuit Detection Delay: 250uS
Protection Cancel Condition: Disconnect Load
Main Circuit Conduction Internal Resistance: ≤25mΩ
Working Current: ≤30uA
Sleeping Current(Battery Over-discharge): ≤10uA
Operating Temperature:﹣30℃~﹢80℃
Size: 75×51.5×15mm/2.95×2.02×0.59"

100A BMS

3Series 50A 11.1V/12V/12.6V BMS PCB Protection Board for 18650 Li-ion Battery Cell with Balance

Battery Hookup Modem Batteries

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Almost every pack we opened had the light blue lg cells, some had dark blue lg cells with the same specs. Either way they are all name brand cells, the best ones out there

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