ThunderSky WINSTON TSWB-LYP90AHA LiFeYPO4, 3.3V, 90Ah

Manufacturer: ThunderSky Winston
Art.#: LFP090AHA
120.06$Price without VAT:
Stock status : Out of stock!
Available in 90 days

Individual pricing for large scale projects and wholesale demands is available.
Contact us:
phone: +420 277 007 550
email: [email protected]

Shipping weight: 4.01 kg Hazardous
High power lithium cell, original Winston Battery product with LiFePO4 (LiFeYPO4) technology. Capacity: 90Ah, size: 218x143x61 mm, weight: 3.0 kg. Model: WB-LYP90AHA

Technical information

Complete datasheet
Original ThunderSky Winston part number: WB-LYP90AHA,TSWB-LYP90AHA
Recommended initial and subsequent charging is to 3.65 V.
The minimum voltage is 2.8 V.
The maximum voltage is 3.8 V.
Maximum discharge current is 3C continously.
Operating temperature -45°C up to 85°C
Energy density is 96 Wh/kg

These battery cells are suitable for all traction applications including electric vehicles. Fully complies also for stationary applications - such as energy storage.
There is no Selfdischarging effect.
Can be recharged at any state of discharge - no memory effect
LiFePO4 is a very safe technology, not spontaneous combustion, does not react with moisture or with oxygen.
All cells are supplied new directly from the manufacturer.
Original Woodenbox contains 18 cells is 647*458*360mm large and weights 63kg.

User ManualPlease read USER MANUAL before use.
FAQDo you have technical question? Try BLOG.

Size of packs using 90Ah cells

8 cells, 24V
Total capacity 2160 Wh / Depth 488 mm / Weight 24 kg

16 cells, 48V
Total capacity 4320 Wh / Depth 976 mm / Weight 48 kg

1 cell:
Capacity 270 Wh / Depth 61 mm / Weight 3 kg

4 cells, 12V
Total capacity 1080 Wh / Depth 244 mm / Weight 12kg

cell90sch1 cell90sch2

LiFePO4 battery pack calculator

  The calculator provides recommendations based on your input.
voltage The desired voltage of the final pack.
capacityThe required capacity of the pack.
dischargeExpected Depth of Discharge during use, what % discharge cycles you will use (ie. 100% DoD is full discharge every cycle).


GWL Battery pack size calculator  
 It will help you to pick the best configuration for your needs.

You need Microsoft Office or other software capable of opening XLS files.  The XLS does not contain any scripts and is safe to open. The file is stored at our internal protected storage. The file is free to share, commercial use only after agreement.

Initial, first time charging

LiFePO4 chargers

Cells are precharged from manufacturer to conservation charge (usually 30-50%).
The cells have to be charged with low current before the first use.
The first charge should not exceed 0.5 C - eg for 90Ah cell is 45A.
FAQ: Initial charging information

For initial charging of multiple cells, connect them in parallel and the charger outputs should be connected to both ends of the parallel rows of cells, exactly as it is described here:
FAQ: The initial charging of the number of cells

We recommend to use chargers specially made for LiFePO4 cells First charge and initial balancing of the whole pack is important step towards long lifetime.

Alternatively you can use regulated (Laboratory) Power supply as initial charge tool. Short description how to proceed.

Balancing and protection

Demonstration video of BMS123 Smart Gen2 assembly

Important part of each battery pack is balancing and protection electronic. Most frequent solution is BMS123 Smart Gen3. This Advanced solution for battery monitoring and management of LiFePO4 cells support Bluetooth connection with your phone, iPad, tablet or other device. Free Android and iOS application included.

BMS123 Set for LiFePO4 cells

Common connection diagrams for BMS,SBM

BMS123 Smart connection demonstration including Charger, Appliance and the ever important fuses and switches.

BMS123 connection diagram

SBM is simple solution offering basic protection, diagram shows 16 cell version connected with charger and fuses.

SBM conection diagram

Connecting the cells

Winston produce cells with easy to assemble square shape, terminals are made for screws allowing simple installation with spanner.

Interconnection between cells is important part of any battery pack. Original copper connectors are made of several thin layers for ideal flexibility and conductivity.
Make sure to clean oxidation from both, terminals and connectors (with Sandpaper or similar) before assembly. Oxided contacts may have very high resistance and cause unbalancing of the battery.

Plastic caps are cheap solution to prevent unwanted shortcuts and for easy plus and minus marking (red and black colors are available).

LiFePO4 Terminal connectors and plastic caps

Demonstration video of cell assembly

Winston battery tests

Thundersky Winston tests

Series of destructive tests on Lithium Iron Phosphate (LiFeYPO4) cells ThunderSky Winston, learn how the cells behave in event of puncture by fire axe or intentional short-circuit with current up to 1600A (400C).

You can see these four tests:
  • Puncture
  • Overcharge
  • Short-circuit
  • Ignition by external source

Result: LiFePO4 cells are extremely durable against physical abuse, does not endanger its surrounding even in moments of short-circuiting.

Expert Opinion: Chemical test of LFP during breakdown

Weight (kg) 3
Connector M8
Height (mm) 218
Width (mm) 143
Depth (mm) 61
Nominal Voltage (V) 3.3
Capacity (Ah) 90
Cycle life for 80% DOD >5000 cycles
Cycle life for 70% DOD >7000 cycles
Internal Resistance (mOhm) <0.5
Max discharge current (A) 900
Optimal discharge current (A) 45
Max charging current (A) 270
Optimal charging current (A) 45
icon ThunderSky WINSTON TSWB-LYP90AHA LiFeYPO4, 3.3V, 90Ah High power lithium cell, original Winston Battery product with LiFePO4... 120.06$
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