X12-A1

Overview

The X12-A1 is a 4-cell parallel 18650 battery holder designed to accommodate four 18650 batteries. Each battery is protected by a resettable ultra-low resistance fuse to prevent over-discharge. It features four XH2.54 connectors for easy integration with UPS HAT models such as the X1209 and X1203, and supports a stackable design, allowing for capacity expansion through multiple bases.

Features

• Parallel Capacity Expansion: Can accommodate four 18650 batteries connected in parallel, directly increasing power supply capacity.

• Independent Protection: Each battery is equipped with an ultra-low internal resistance resettable fuse to prevent over-discharge.

• Plug and Play: Provides four XH2.54 connectors, compatible with specified UPS HATs, requiring no modifications.

• Stacking Design: Supports multiple stacks (requires the X12-A1 stacking kit), flexibly expanding total power capacity.

• Compatible Models: X1209 UPS HAT (top-mounted Raspberry Pi), X1203 UPS HAT (bottom-mounted Raspberry Pi).

• Core Application: The X12-A1 provides a backup battery expansion solution for the aforementioned UPS HATs.

Technical specification

Battery Model	18650 (protection board required)
Battery Quantity	4 cells in parallel
Output Interface	XH2.54 2Pin parallel interface x 4
PCB Dimensions	93.9mm x 77.1mm

Packing List

• X12-A1 Base Kit

- X12-A1 18650 battery holder (4-cell parallel) x1

- 2-pin 2.54mm pitch male-to-male cable AWG18 30cm x2

• X12-A1 Stackable Kit - For use with X12-A1 base kit

- X12-A1 18650 battery holder (4-cell parallel) x1

-  2-pin 2.54mm pitch male-to-male cable AWG18 10cm x2

-  Spacer M/F 22mm x4 

-  Screw M2.5x5mm  x4

-  Screw nut M2.5  x4

User Manual

• X-FAN40 Hardware Guide:X-FAN40 Hardware
• X-FAN40 Software Guide:X-FAN40 Software

FAQ

Q1: Question 1

A: Place the answer here.

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