ET-P08
1S LiPo Protection Board
Over-charge, over-discharge and short protection, 4 A
AED 9.00
Out of stockOverview
Over-charge, over-discharge and short protection, 4 A
The ET-P08 is built around the Over-charge ~4.3V, over-discharge ~2.4V, over-current/short (DW01+ thresholds), 0V-cell charge per IC variant.
Designed in Dubai by ElectroTrical — the full schematic, BOM and design notes are published below.
Good for
- Protecting bare 18650 and LiPo cells
- DIY battery packs
- Adding safety to kits
Key features
What makes it different
Protection
Over-charge ~4.3V, over-discharge ~2.4V, over-current/short (DW01+ thresholds), 0V-cell charge per IC variant
Current
~3A continuous, trips ~3–4A (set by FS8205A Rds(on))
Use
Adds protection to unprotected 18650/LiPo cells; charger and load both connect to P+/P−
Open documentation
Schematic, BOM and layout notes published for every board.
Breadboard friendly
Standard 2.54 mm pitch and M2.5 mounting holes.
Specifications
Technical specifications
| Protection | Over-charge ~4.3V, over-discharge ~2.4V, over-current/short (DW01+ thresholds), 0V-cell charge per IC variant |
|---|---|
| Current | ~3A continuous, trips ~3–4A (set by FS8205A Rds(on)) |
| Use | Adds protection to unprotected 18650/LiPo cells; charger and load both connect to P+/P− |
| Size | 25.4 × 12.7 mm |
|---|---|
| Mounting | 2 mounting holes (M2.5) on a 25.4 × 12.7 mm strip |
| Connectors | 2-pin 2.54 mm header · JST PH 2P R/A SMD (LiPo) — Cell (B+ / B−) · JST PH 2P R/A SMD (LiPo) — Pack output (P+ / P−) |
| Main IC | DW01+G (LCSC C14213) |
| Revision | Rev A |
Performance
Protection thresholds
Pinout
Pin map and connections
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | BAT+ | Power | P+ = B+ |
| 2 | P− | Ground | Protected negative (NOT the cell's −) |
Mechanical
Dimensions and what's in the box
In the box
- 1 × ET-P08 1S LiPo Protection Board (assembled)
- 1 × 2-pin 2.54 mm male header, unsoldered
Getting started
- Wire the header: BAT+, P−
Compare
Which battery board?
| 1S LiPo Protection Board (this board)This board | ET-P01 MCP73831 USB-C LiPo Charger | ET-P02 BQ24074 Solar / USB-C Charger | ET-P09 LiPo Power Bank Module | |
|---|---|---|---|---|
| What it does | Over-charge, over-discharge and short protection, 4 A | 500 mA / 100 mA single-cell LiPo charger, USB-C | Solar and USB-C LiPo charger with power path | USB-C charger plus 5 V 1 A boost |
| Interface | — | USB-C 5V (Rd 5.1k → any USB-C source gives 5V);… | USB-C 5V and 2-pin terminal 5–10V (6V solar… | — |
| Best for | Protecting bare 18650 and LiPo cells | Charging LiPo cells for wearables | Solar-powered sensor nodes | Portable 5 V projects |
| Price | 9 AED | 22 AED | 49 AED | 49 AED |
Downloads
Documents and design files
Need a custom version of this board?
Different connector, size or sensor? We design and build custom variants.