Use Batteryinfoview to monitor the health of the battery and voltage during charge and discharge

https://www.nirsoft.net/utils/battery_information_view.html

 

 

 

 

 

 

 

 

 

 

 

 

for a s3 battery the charged voltage was 12.24 which is while being discharged which is 4.08V per cell

The Lap top goes to shot down 

Milli-Ohm	Battery Voltage	Ranking
<75	3.6	Supper new
75-150mOhm	3.6V	Excellent
150-250mOhm	3.6V	Good
250-350mOhm	3.6V	Marginal
350-500mOhm	3.6V	Poor
Above 500mOhm	3.6V	Fail

 

 

illumn Reasonable price Reputable Ships to Canada

 Batteries – Batteries, Chargers, Battery Holders, PVC Wrap, and Terminal Protectors

Aliexpress Vapcell Direct Store  reputable more expensive than illumn

https://www.aliexpress.com/item/1005008059275822.html?pdp_npi=4%40dis%21CAD%21C%24%2022.38%21C%24%2022.38%21%21%21113.37%21113.37%21%40210312d517557086674298921e5c0d%2112000043490672132%21sh%21CA%211892544741%21X&spm=a2g0o.store_pc_allItems_or_groupList.new_all_items_2010036294032.1005008059275822

https://www.aliexpress.com/item/1005007652527440.html?pdp_npi=4%40dis%21CAD%21C%24%2023.18%21C%24%2023.18%21%21%21117.43%21117.43%21%40210312d517556764920886425e53b3%2112000041662551290%21sh%21CA%21189https://ca.drbattery.com/products/dell-vostro-1310-1320-1320n-1510-1511-1520-1520n-2510-2510n-pp36x-t116c-pp36l-n241h-312-laptop-battery-_-lde219-db-001?variant=454590665525412544741%21X&spm=a2g0o.store_pc_allItems_or_groupList.new_all_items_2010036294032.1005007652527440

 

9 cell 59CAD   (6600mAh / 73Wh)  based 3s 3p 220mah INR18650

K738H T114C N956C Battery for Dell Vostro 1310 1320 1320n 1510 1511 1520 1520n 2510 2510n Series PP36X T116C PP36L N241H 312-0724 PP36S [11.1V] Compatible Battery

 

9cell 35 CAD  (7800mah/ 2600mah 18650

https://www.aliexpress.com/item/1005009541179166.html?spm=a2g0o.productlist.main.20.f0a4268fQr8ziC&algo_pvid=52f70ccb-d37a-4a4a-8517-0dc9b563799d&algo_exp_id=52f70ccb-d37a-4a4a-8517-0dc9b563799d-19&pdp_ext_f=%7B%22order%22%3A%22-1%22%2C%22eval%22%3A%221%22%7D&pdp_npi=6%40dis%21CAD%2140.31%2124.99%21%21%2128.53%2117.69%21%402101e07217552540561734486e822c%2112000049411150192%21sea%21CA%211892544741%21X%211%210%21n_tag%3A-29919%3Bm03_new_user%3A-29895&curPageLogUid=jslnbQUriN2S&utparam-url=scene%3Asearch%7Cquery_from%3A%7Cx_object_id%3A1005009541179166%7C_p_origin_prod%3A

9cell   (97wh , 9000mah with 3000mah battery is the max on the market) 

like:
https://www.aliexpress.com/p/tesla-landing/index.html?scenario=c_ppc_item_bridge&productId=1005008673191637&_immersiveMode=true&withMainCard=true&src=google&aff_platform=true&isdl=y&src=google&albch=shopping&acnt=631-313-3945&isdl=y&slnk=&plac=&mtctp=&albbt=Google_7_shopping&aff_platform=google&aff_short_key=UneMJZVf&gclsrc=aw.ds&&albagn=888888&&ds_e_adid=&ds_e_matchtype=&ds_e_device=c&ds_e_network=x&ds_e_product_group_id=&ds_e_product_id=en1005008673191637&ds_e_product_merchant_id=5385583513&ds_e_product_country=CA&ds_e_product_language=en&ds_e_product_channel=online&ds_e_product_store_id=&ds_url_v=2&albcp=19215273764&albag=&isSmbAutoCall=false&needSmbHouyi=false&gad_source=1&gad_campaignid=17178707511&gclid=EAIaIQobChMI0M3v9u6ajwMVDCCtBh2P3iJ8EAYYASABEgLTP_D_BwE

 

https://www.aliexpress.com/item/1005008183725560.html?spm=a2g0o.productlist.main.4.58221d78SAzkQB&aem_p4p_detail=202508201927091771224854861680001974496&algo_pvid=e1957abf-37a4-4af2-bf62-a05436a70bb2&algo_exp_id=e1957abf-37a4-4af2-bf62-a05436a70bb2-3&pdp_ext_f=%7B%22order%22%3A%22-1%22%2C%22eval%22%3A%221%22%7D&pdp_npi=6%40dis%21CAD%2147.38%2147.38%21%21%21240.00%21240.00%21%4021030ea417557432291278178e4903%2112000044147436648%21sea%21CA%211892544741%21X%211%210%21n_tag%3A-29919%3Bd%3Abffe19a5%3Bm03_new_user%3A-29895&curPageLogUid=qsoFZ9IERbv5&utparam-url=scene%3Asearch%7Cquery_from%3A%7Cx_object_id%3A1005008183725560%7C_p_origin_prod%3A&search_p4p_id=202508201927091771224854861680001974496_2

 

Conclusion: Buying battery packs is a way of buying batteries

https://www.aliexpress.com/item/1005009276565855.html

 

Portable Pedal Spot Welding Machine Type-C Rechargeable 18650 Lithium Battery DIY Nickel Sheet TFT Color Screen Spot Welder Tool – AliExpress

 

AWithZ UF20B Spot Welder Super Farad Capacitor Spot Welding Machine 18650 Lithium Battery DIY Nickel Sheet Welding Machine EU – AliExpress 1420

A 12.8V LiFePO4 battery contains 4 cells in series, and a 25.6V LiFePO4 battery contains 8 cells in series. This is because a single LiFePO4 cell has a nominal voltage of 3.2V, so to reach the higher battery voltages, the cells are connected in series to sum their individual voltages.