2 layers116 × 75.5 mm
Battery
55 boardsKiCad boards from 33 GitHub repositories tagged “battery”, the most starred first; open any of them in PCBKit.
- 2 layers65 × 28 mm
BMS Cell Module
stuartpittaway/diyBMS
Do it yourself battery management system for Lithium ion battery packs/cells
37 parts676GPL-3.0 - 4 layers70 × 72 mm
- 2 layers100 × 67 mm
- 2 layers17.4 × 12.6 mm
TC4056-Bypass
DoImant/TP4056-Power-Path-PCB
TP4056 Power Sharing PCB. Charge battery despite connected load.
8 parts52CC-BY-SA-4.0 - 2 layers26 × 16.5 mm
CR2032 Toaster v1.3
alxlab-zone66x/cr2032_toaster
CR2032 to 1/2AA converter to use in various old Macintosh computers that used 1/2AA batteries as the PRAM battery.
8 parts34 - 2 layers30 × 43 mm
Currentmeter
hnz1102/mini-current-meter
Mini Current Meter using INA228A ultra-precise digital power monitor
40 parts10 - 2 layers18.4 × 24.1 mm
Mvs battery holder
bodgit/mvs-battery-holder
Replacement PCB for the VG2430 or IVR2430 rechargeable cells on the SNK Neo Geo MVS MV1B and MV1C
7 parts7 - 2 layers136.2 × 85.9 mm
BATDATUNIT01
mlab-modules/BATDATUNIT01
Multiple parallel Li-ion 18650 battery cell module with BMS and data storage with MCU control.
225 parts5GPL-3.0 - 2 layers100 × 50 mm
- 2 layers70.6 × 53.3 mm
- 2 layers11 × 21.9 mm
18650-interlude
Jana-Marie/18650-interlude
A very simple board to measure the current from a 18650 battery cell for power profiling.
4 parts4 - 4 layers92 × 48.7 mm
ATMega Board
DoImant/KiCad-ATMega-Board
ATMega Barebone PCB. Applicable for battery powered applications. Usable microcontrollers: ATTiny88, ATmega48A/PA, 88A/PA, 168A/PA, 328/P
29 parts2CC-BY-SA-4.0 - 2 layers80.8 × 60.5 mm
- 8 layers99 × 61 mm
Battery management system cell monitoring unit
gerhardmalberg/bms-cmu-bq79616-hardware
Open-source 6S–16S battery monitoring hardware based on TI BQ79616-Q1. Includes KiCad designs, manufacturing files, and electrical, thermal and mechanical simulation studies.
198 parts1CERN-OHL-P-2.0 - 2 layers25.7 × 21 mm
Esp pmc
ldab/esp-battery-pmb
ESP32, ESP8266 and the likes Battery Management Board, Power your device with a single Battery or 2xAAA. With a buit-in Boost and Buck converter + Nano Timer - Sleep Current < 1uA.
27 parts1MIT - 2 layers80.8 × 60.5 mm
LION2CELL02
mlab-modules/LION2CELL02
Dual-cell Li-Ion Battery management system with I2C interface and USB-C charging.
104 parts1GPL-3.0 - 2 layers21 × 20.9 mm
Battery pico
4f48/battery-pico
A battery charger add-on board for all Raspberry Pi Pico development boards.
14 partsCERN-OHL-S-2.0 - 2 layers35.5 × 30.8 mm
- 2 layers85.5 × 122 mm
- 2 layers70.2 × 39.1 mm
Motion nightlight
ezcGman/motion-nightlight
KiCad files for an easy circuit to build a motion nightlight yourself
10 parts - 2 layers33 × 46 mm
M18-usb interface pcb
fred314159265/m18-usb-interface
Isolated USB-C adapter for Milwaukee M18 battery diagnostics. KiCad design and v1.0 fab files. Software: m18-protocol-rs.
31 partsUnlicense - 2 layers42 × 78 mm
P.003-V1.0.1
GSAS-LABS/P.003
Digital dice based on an ATtiny85 and 74HC595. Supports D4, D6, D8, and D10 modes, with configurable rolling animation, button-based type selection, EEPROM persistence, and low-power sleep mode for extended battery life.
21 partsCERN-OHL-S-2.0 - 6 layers196 × 115 mm
MonolithDev
MidwestMotorBoy/Battery-Bank
Monolith: an ultralight IP67 power bank for backpacking. 4S BAK 65E 21700 (91 Wh, under the 100 Wh airline limit), two bidirectional 100 W USB-C PD ports, Bluetooth LE (TI CC2340) with an iPhone app.
430 parts