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WONDOM PS-BC12115 BCPB1+ Battery BMS Power Supply / Charger Module Lithium 26650 with Protections
This Battery Management System (BMS) functions as both a power supply and a Li-Ion battery charger type 26650 and has two slots as well as a complete protection system. It also operates with a wide input voltage range, from 5VDC to 19VDC. The batteries, connected in series, provide 30-40Wh of power. The integrated MPPT charging function supports a 19-24V power supply.
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Wondom BCPB1+
Battery BMS Power Supply / Charger Module Lithium 26650 with Protections
This Battery Management System (BMS) functions as both a power supply and a Li-Ion battery charger type 26650 and has two slots as well as a complete protection system. It also operates with a wide input voltage range, from 5VDC to 19VDC. The batteries, connected in series, provide 30-40Wh of power. The integrated MPPT charging function supports a 19-24V power supply.
The module is completed with a battery level display. The cycle-by-cycle protection system avoids problems with overcurrent, overheating, short circuits and over/under voltage. In addition, the integrated battery balancing circuit maintains a constant voltage between the two cells.
Li-Ion batteries are sold separately.
Module operation
Technical characteristics
| Specifications | |
|---|---|
| Product type | BMS Board |
| Supported cells | Li-Ion 26650 |
| Protections | Overloads / Over-discharges Overcurrents Overheating |
| Solar charging compatibility | Yes |
| Number of battery slots | 2 |
| Charge indicators | Yes |
| Supply voltage | 5-19VDC |
| Charge current | 1.5A |
| Package | 1x Wondom PS-BC12115 BCPB1+ 1x XH 4 pins cable |
| Measurements | ||||
|---|---|---|---|---|
| Parameter | Conditions | Min. | Typ. | Max. |
| Supply voltage | USB-C (J13) and JST-PH (J7) | 5VDC | - | 19VDC |
| Solar panel input,Molex Micro-Fit(J2 ) through a diode | 14VDC | 19VDC | 24VDC | |
| Supply current | Supply current at both wide input range,Type-C Jack (J13) and JST-PH(J7)are limited by boost circuit only, so typical current limitations are same | 0.8A | 1.5A | 2.1A |
| Output current | USB-A (J14) | - | 2A | 3A |
| Molex Micro-Fit (J6) | - | 2A | 3A | |
| Charge current | Pre-charge current (0-140mA) might take hours before going to constant current charge mode at 1.5A typical. The charging current decreases dramatically after reaching constant voltage mode which start at 4.2V. The maximum charge current can only be obtained if Iin: 2.1A, Vin: 7.5V are supplied to the board. Charge current decreases if lower input current and voltage applied to the board | 1.5A – 15% | 1.5A | 1.5A + 15% |
| Battery capacity | Use 5000mAh to get the typical value. Refer battery’s user manual if you are using your own battery | Batteries Lithium-Ion 5000mAh | ||
| Overcharge detection voltage (per cell) | Once overcharge triggered, users are supposed to wait till voltage drops to over voltage release voltage and activate again for normal use | 4.19V | 4.24V | 4.29V |
| Overcharge release voltage (per cell) | 4V | 4.05V | 4.1V | |
| Over-discharge detection voltage (per cell) | Power up this board through Type-C Jack (J13) or JST-PH(J7) to activate if the board goes into protection mode or for initial use | 2.72V | 2.8V | 2.88V |
| Over-discharge release voltage | 2.9V | 3V | 3.1V | |
| Opreating temperature range | - | 0°C | 20°C | 50°C |
| Input | USB |
| Input | PCB Connector |
| Output | PCB Connector |
| Output voltage (V) | NC |
| Output current (A) | 3.0 |
| Output current (A) | 2.0 |
| Input voltage (V) | 5.0 |
| Input voltage (V) | 19.0 |
| Power Supply | Battery |
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