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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
Battery Pack
Battery Spec 3S64P - (150 Ah)
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Parallel Cells to Get Capacity
80Ah/2.0Ah
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x2
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Configuration
Battery Spec Battery Spec 3S56P - (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 | 56 |
| Total Cells Required | 168 |
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| Specification | Details |
|---|---|
| Capacity | 112-128.8 Ah |
| Cell Capacity | 2.0-2.3 Ah |
| Cells | 3x56=168 cells |
Battery Capacities
https://docs.google.com/spreadsheets/d/1mlgodp0UQAi1QGu0aGxJdH-wnCkg5dZosCjmBs_kSDo/edit#gid=0
Rpackr Configuration:
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| cells |
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The Plano 50 Cal Ammo Box will can hold this pack for a total of 150Ah ( 192 cells (about 150Ah).
Battery Management System
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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" |
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Spreadsheet: https://docs.google.com/spreadsheets/d/1mlgodp0UQAi1QGu0aGxJdH-wnCkg5dZosCjmBs_kSDo/edit#gid=0
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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Packaging
I bought Plano 50 Cal Ammo Box, Black
Interior dimensions: 11.25" x 5.5" x 7"
Build
Battery Capacities
https://docs.google.com/spreadsheets/d/1mlgodp0UQAi1QGu0aGxJdH-wnCkg5dZosCjmBs_kSDo/edit#gid=0
Rpackr Configuration:
If we wanted 6 cells:
Build Pictures
References
| Reference | URL |
|---|---|
| Buying Used Batteries | https://batteryhookup.com/ |
| Battery Pack Calculator | http://repackr.com/ |
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