| Table of Contents |
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Assumptions
18650 Battery Assumptions
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| Specification | Details |
|---|---|
| Capacity | 112-128.8 Ah |
| Cell Capacity | 2.0-2.3 Ah |
| Cells | 3x56=168 cells |
The Plano 50 Cal Ammo Box can hold a total of 192 cells (about 150Ah).
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Battery Management System
50A BMS
3Series 50A 11.1V/12V/12.6V BMS PCB Protection Board for 18650 Li-ion Battery Cell with Balance
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| Features |
|---|
| Continuous Discharge Current: 50A Momentary Discharge Current: 150A Charge Voltage: 12.6V Charge Current: 50A Overcharge Detection Voltage: 4.28±0.025V Overcharge Protection Delay: 0.5S Overcharge Cancel Voltage: 4.08±0.1V Balance Detection Voltage: 4.20±0.025V Balance Cancel Voltage: 4.20±0.05V Balance Current: 60±5mA Over-discharge Detection Voltage: 2.8±0.1V Over-discharge Detection Delay: 0.1S Over-discharge Cancel Voltage: 3.0±0.1V Overcurrent Detection Voltage: 150mV Overcurrent Detection Delay: 9mS Overcurrent 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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https://docs.google.com/spreadsheets/d/1mlgodp0UQAi1QGu0aGxJdH-wnCkg5dZosCjmBs_kSDo/edit#gid=0
Rpackr Configuration:
If we wanted 6 cells:
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Build Pictures
Revised Build Pictures
Added 100A BMS and additional wiring to support the load. Then added terminals and USB and 12V port.
Added a battery meter
References
| Reference | URL |
|---|---|
| Buying Used Batteries | https://batteryhookup.com/ |
| Battery Pack Calculator | http://repackr.com/ |