Battery Kits

LiFePO4 battery enclosure kits and ESS hardware

The official JKESS battery-kit catalog groups enclosure kits, rack battery hardware, high-voltage BMS controls, and configured C&I ESS cabinet options in one product category for storage system buyers.

Open priced listingsBuild a volume quote

Orderable catalog

4 listed configurations

Compare physical battery kits, rack enclosure hardware, high-voltage control boxes, and configured ESS cabinet options before moving into each product detail page.

026U Battery Kit - official JKESS 6U Rack Battery Enclosure Kit

6U Rack Battery Enclosure Kit

6U Battery Kit

6U rack-mount LiFePO4 enclosure kit with optional BMS and LCD

Price range$280.00 - $380.00
View details

Before selecting a SKU

Match the hardware to the battery project

The right product depends on whether the buyer needs a mechanical enclosure, a rack battery shell, high-voltage controls, or a complete project quotation.

Enclosure

DIY LiFePO4 battery builds

Use the caster or 6U battery kit when the project needs a battery box, internal assembly hardware, and optional BMS or LCD support.

Control

High-voltage BMS architecture

Use the High Voltage Kit when the system needs master and slave control boxes for high-voltage battery packs.

Project

Commercial ESS capacity planning

Use the C&I cabinet listing when the buyer is comparing configured capacities, destination, and formal project pricing.

Purchase scenarios

When buyers enter this part of the catalog

Quotation FAQ

Questions that change the final line item

Use these answers to identify configuration gaps before comparing unit prices or approving a purchase.

What is included in a JKESS battery kit?

The included scope depends on the selected product and configuration. Battery cells, external inverter equipment, onsite installation, and external system cabling are not included unless the product page or written quotation says so.

Are battery cells included with the enclosure kits?

No. The caster and 6U battery-kit listings are enclosure and assembly hardware products. Compatible LiFePO4 cells must be sourced separately unless a written quotation states otherwise.

How should buyers choose between a battery kit and an ESS cabinet?

Choose an enclosure kit for low-voltage battery assembly hardware. Choose a configured C&I ESS cabinet when the project needs integrated energy storage equipment, cooling, fire protection, PCS or EMS planning, and a formal quotation.

How can buyers verify an official JKESS or JKBMS battery-kit quotation?

Verify the official domain www.batteryboxkit.com, the company name JKBMS Electronic Technology Co.,Ltd, and the official sales email zhou@jkess.com before payment or bulk purchasing.

Complete the purchase brief

Battery enclosure guideCompare caster, 6U, cell fit, BMS, LCD, and shipping requirements.BCU vs BMU guidePlan high-voltage master and slave controller architecture.Verify official sourceConfirm the official domain, company, and sales contact before quotation.

SYSTEM NOTES

Three system shapes, worked end to end

Most projects here are one of three: a pack behind a home inverter, a link between a BMS and something that has to act on it, or a cabinet sized against a demand bill.
HOME PACK

Four numbers, then a build order

Series count, charge voltage, continuous current and protocol have to agree first. After that a home pack is a sequence where the order genuinely matters.

Open the noteINVERTER LINK

Getting a BMS and an inverter to agree

Confirm the protocol revision before the hardware, isolate a silent link from the pack outward, and know what a fully working link should be doing.

Open the noteC&I CABINET

Sizing a cabinet against the demand bill

kW and kWh are separate answers and the tariff decides both. Then cooling, grid equipment and fire strategy follow in an order that resists reworking.

Open the note

ENGINEERING NOTES

Settle the decision, then pick the part

Each note works through one decision end to end. Where a note and a product page disagree, the product page and the written quotation are the ones that bind.
SOURCE CHECKS

Check a JKBMS source

Check a JKBMS listing against what a reseller cannot restate: the four segments of the model code, the version the board reports itself, the visible port set, and a quotation that names its own exclusions.

Read guideNAME TO PART

From brand name to part

All four spellings return the same hardware, so none of them narrows anything. This maps the term you searched to the artefact you were actually after: a model code, a manual, a firmware note or a cable.

Read guideORDERING

How ordering works

Two order paths run on this catalog. Work out which one a product uses, what shipping costs to your destination, which currency you will be charged in, and what has to be fixed before payment.

Read guideENCLOSURE DOCS

Battery box documents

Find the JKESS enclosure document that matches the format you were shipped, and work out the four cell measurements an enclosure manual assumes you already checked.

Read guidePEAK SHAVING

Sizing peak shaving

Work peak shaving out of interval data: find the billing demand window, measure the energy above the threshold, size kW and kWh separately, and stop the recharge from setting the next peak.

Read guideTHERMAL

Air or liquid cooling

Estimate what a battery cabinet actually has to reject, judge the design on cell-to-cell temperature spread rather than average temperature, and price in what each cooling system costs to keep working.

Read guideBMS ARCHITECTURE

What a BMU is

BMU means different things in different datasheets. Establish what a specific controller does from its I/O list, count units from channels rather than from kWh, and find where the interlock loop really terminates.

Read guideSOURCING

Comparing ESS quotes

Normalise C&I ESS quotations before comparing price: usable against nameplate energy, what the warranty actually measures, the line items that fall outside the scope, and who owns the integration boundary.

Read guideAPP AND BLUETOOTH

JKBMS app and Bluetooth

Connect the JKBMS app over Bluetooth, understand pairing behaviour and permissions, and work through the connection failures reported most often.

Read guideRS485 AND CAN WIRING

JK BMS RS485 and CAN wiring

Identify the RS485 and CAN ports on a JK BMS, verify the pinout against the manual for your model, and avoid the wiring mistakes that damage a port.

Read guideFIRMWARE AND PARAMETERS

JKBMS firmware and parameters

Understand how JKBMS firmware versions affect available parameters, what to record before changing settings, and how to avoid an unrecoverable configuration.

Read guideFAMILY TABLE

BD, PB, B1A and B2A side by side

One table showing what each family is built around, so a shortlist takes a minute instead of a browse.

Read guideENCLOSURE FIT

Fitting cells into an enclosure kit

Measure the cells before shortlisting a box: stack length with compression, height over the terminals, mass and rack loading.

Read guideBOARD SELECTION

Narrowing the catalog to one code

Work from the pack and the inverter rating down to a handful of codes instead of browsing the list.

Read guideBD OR PB

Which family the project needs

Local monitoring or an inverter protocol link. That question decides the family before anything else does.

Read guideBALANCE CURRENT

How much balancing a pack needs

Balance current is a rate. Match it to how fast the pack drifts and how much idle time it has to recover.

Read guideBUS CHOICE

CAN or RS485 for the link

The device at the far end decides the bus. Confirm pinout, bitrate and protocol profile before buying a cable.

Read guideHIGH-VOLTAGE

Where contactor authority sits

Split responsibilities between module slaves and the cluster master, and find what nothing in the design owns yet.

Read guidePROJECT INPUTS

What to fix before requesting a cabinet quote

The decisions that have to be settled first, and the ones that can safely stay open until the design review.

Read guide

Get in Touch

Ready to power your future? Contact us for a custom quote or partnership inquiry.

Phone+86 131 6282 8868
WhatsApp QR codeWhatsApp
WeChat QR codeWeChat
Emailzhou@jkess.com
LocationBuilding B4, Guangming, Shenzhen, China