Review of Turmera 4S 12.8V 200A BMS Lithium LiFePo4 Battery Management System | WattHour

Published at : 23 Dec 2025

In this video we explain Turmera 4 Cell Lithium Battery Management System. We talk about LiFePo4 Battery voltage and charge. Full specs explained, components viewed under magnifier with datasheet and schematic explained. How to connect batteries. We explain how this BMS protects your battery when connecting it to charger, to solar panel or connect it to your load. Then we wiring and preparing wire for Turmera 4S 200A BMS is shown. Then we test the load with 50A, 100A and 150A and try 200A.

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*** Purchase Turmera 4S 200A BMS from ***
Amazon Canada: https://amzn.to/3VuJMin
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AliExpress: https://s.click.aliexpress.com/e/_Dlokt3l Heltec BMS: https://s.click.aliexpress.com/e/_Dksb6ft
eBay: https://ebay.us/bl4H4m

*** 100Ah LiFePO4 Batteries ****
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***** 18650 3000mAh Li-Ion Batteries ****
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4 AWG Battery Cable
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Crimping Tool
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Cable Lugs connectors
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*** Thermal Camera with iPhone and Android Used ***
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Power Supply I use:
DC 30V 60A Power supply: https://s.click.aliexpress.com/e/_98Ah5c
DC 60V 30A Power supply: https://s.click.aliexpress.com/e/_APyPJ0

Chapters
00:00 Start
01:00 How this BMS work
06:08 Battery Voltage explained
07:10 Turmera BMS Specs
12:11 Components viewed
17:59 How Protection works
24:30 preparing BMS and wiring
34:45 Load test: 50A, 60, 70, 80A and voltage drop
36:27 Load test: 100A and voltage drop
41:00 Load test: 150A
44:30 Load test: 100A Hating test
52:37 Adding heat sink
55:45 more discharge test
58:25 Apply 16V at input
1:00:12 Short circuit protection test
1:02:13 Conclusion remarks


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