21700 PCB Cell Pack with BMS

BATTERY CELLS NOT INCLUDED

£400.00 +VAT

In stock

Description

BATTERY CELLS NOT INCLUDED

IMPORTANT: Please Read The Entirety of our Li-Ion Battery Safety Page

Self Assemble – The utilisation of PCB button contacts & cell-level fusing allows you to safely assemble your own 12s7p battery in less than 45 minutes with no wiring, soldering, or spot welding. With an integrated cell management system & VESC app connectivity, you have up-to-date information about the status of your battery at all times. Maintenance work and upgrades are easy as unscrewing a few bolts and replacing cells, ensuring years of worry-free riding with your battery.

Sits snugly within a MK3 Massive Monster Box, fitting 84x 21700 Battery Cells.

Assembled using Glass-Fibre Panels, Premium PCBs & Marine Grade Hardware, the completed packs are amazingly durable & safe, while still being an easily manageable weight!

BMS (Battery Management System) Connectable to the VESC App, is an automotive grade management system, monitoring Temperature, Humidity and Battery Levels. There’s no need for bulky balance chargers anymore – just simply plug a standard 2-15A Charger with an XT30 connector, and be confident knowing all 84 cells will be balanced to 0.001 volts of each other. With the VESC Tool, you’ll be able to see the status & health of individual cells in the pack – allowing you to identify any potential problems, before they pop up.

Wiring – There is no wiring involved. Everything is PCB based, neat, tidy and clean.

Dimensions – Length 250mm x Width 208mm x Height 83mm (With 21700 Cells)

Additional information

Weight 200 g
HS Code

8537109120

origin_country

United Kingdom

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VESC Electronic Speed controller with cables

The VESC Electronic Speed Controller.

Globally renowned high quality motor controller

You will likely have come across VESC™ by now, it is very special in the field of Electronic Speed Controllers so we are very proud that our boards all come as standard with a VESC™ and VESC™ BMS.

VESC6 Mk6 HP – Quite simply a higher powered version of the VESC6 Mk6, with the same trusted reliability and ease of control. Why High Power? Because the mosfets in the HP allow more amps to run through.

VESC6 Mk6 – An incredibly reliable and high performing compact speed controller, used by over 2000 companies in many other applications across the world

VESC 6/75 – If you are using a 16s Battery Pack to power your mountainboard this controller will automatically be selected to handle the higher voltage.

Which Battery Pack?

We make battery packs for both Li-Po & Li-Ion cells.  The (S) stands for Series - adding cells in series increases voltage, The (P) stands for Parallel - adding cells in parallel increases capacity.
A higher voltage will take you faster and higher capacity will take you further. See the table below for further comparison:.

Battery Power

Battery PackCellsCapacityVoltage at peak
12S Li-Po12S 1P20Ah50.4V
16S Li-Po16S 1P20Ah67.2V
12S 21700 Li-Ion12S 7PMolicell P42A – 29.4Ah
Samsung 40T- 28Ah
Molicell P42A – 50.4V
Samsung 40T – 50.4V

Battery BMS, Enclosure & Charger

Battery PackBMSEnclosureChargerBattery (+charger)
12S Li-PoIn chargerClassic or MassiveUltramat 18
UltraPower
£840 +VAT
16S Li-PoVESC BMS16S Massive16S 8A Li-ion £675 +VAT
12S 21700 Li-IonVESC BMSMassive or Double Massive12S 6A Li-ion
12S 12A Li-ion
£574 + VAT
£609 +VAT

Li-Po: These cells are more expensive, however you may consider them worth it because they have less components and therefore provide easy plug and play capability as well as making it possible to do a quick battery swap. Li-Po cells also have a higher discharge performance than the Li-ion packs. 

Li-ion:  Individual cells means that you have a serviceable battery pack, swapping out only the individual cells should they be damaged. These cell packs require some electrical knowledge.  

We suggest that if you have limited electrical knowledge that you choose Li-Po batteries for their ease.