Skip to content

WM004 Battery Board

mefistotelis edited this page Dec 12, 2022 · 4 revisions

Table of Contents

Function
Variants
Parts
Programming
External interfaces
Service interfaces
Board view
Schematics

Function

Flight Battery for Tello is a 1100mAh, 3.8V LiPo-1s battery, supporting up to 13 minutes of flight time. While the battery doesn't have LEDs, it does contain temperature sensor.

Variants

There are multiple versions of the board.

Marking Overview
PCB-2486-HB1S-V3.0

Parts

Version P01690.06 components

Marking Amt. Pkg. Function Specification
J1 EXT PWR 1 4-slab External connector of the battery, likely MISTA
U1 4 MOSFET
U2 1
U3 1
RT 1 thermistor
D1 1
C1 1
C3 1
R1 1
R2 1
R7 1

Programming

Chips Firmware Description
TODO

External interfaces

Connectors on the board are:

Marking Overview
4-slab J1 EXT PWR External connector of the battery; provides power input and output, and status interface.

External connector of the battery

Here is the connector pinout:

Pin Marking Function
1 PACK+ +3.8V from battery cells
2 unknown data
3 GND Ground for PACK+ and the other related interfaces
4 unknown data

Service interfaces

The following service pads exist on this board:

Marking Overview
TODO

Board view

Top of a PCB-2486-HB1S-V3.0 board:

WM004 Battery board v6 top

Bottom of the PCB-2486-HB1S-V3.0 board:

WM004 Battery board v6 bottom

Schematics

No schematics available.

Clone this wiki locally