2s 4s 12V 7a BMS Product Manufactur 14.4V 14.8V Lithium ion Batteries 12.8V Medical Equipment LiFePO4 Battery Packs with SMBus
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- Supplier: Shenzhen Keying Hengye Technology Co. Ltd.
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Product Overview
Description
Technical parameter
Product name:Protection Circuit Module
Model No:PCM-L04S07-427
For 2S 3S 4S Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs
Product Feature:
1. Suitable for 2-4 section Lithium-ion/Lithium Polymer/LiFePO4 Battery Packs;
2. Maximum continuous working current 7a, same interface for charging/discharging;
3. Overcharge, overdischarge, short circuit, overcurrent, temperature protection, etc.;
4. Ti BQ20Z95 is adopted,Can read voltage, capacity, current, temperature, cycle times and other parameters;
5. Through the PCM-LCD001-415 display screen, the required information can be read;
6. Support SMbus protocols;
| Items | Specifications | |||
| Lithium-ion/Lithium Polymer | LiFePO4 | |||
| Communication Interface | SMBus | |||
| Capacity | Designing battery capacity | 6ah | ||
| Max capacity(Battery pack) | 15Ah | |||
| Min capacity(Battery pack) | 100mAh | |||
| External capacity Indication | LED | |||
| Gas gauge algorithm | Impedance Track | |||
| Voltage | Charging voltage (4S) | 16.8V(4.2V/Cell) | 14.4V(3.6V/Cell) | |
| Cell-balance window | / | |||
| Cell-balance release voltage | / | |||
| Cell-balance detection delay time | / | |||
| Current | Balance current for single cell | / | / | |
| Normal operating-mode current (Gas Gauge IC) | 800 uA | |||
| SLEEP operating-mode current (Gas Gauge IC) | 200 uA | |||
FULL SLEEP operating-mode current (Gas Gauge IC) | 1 uA | |||
| Maximal continuous charging current | 7a(Max) | |||
| Maximal continuous discharging current | 7a(Max) | |||
| Over charge Protection | Over charge detection voltage | 4.25±0.025V | 3.80±0.05V | |
| Over charge detection delay time | 1~2S | 1~2S | ||
| Over charge release voltage | 4.05±0.05V | 3.55±0.05V | ||
| Over discharge protection | Over discharge detection voltage | 2.5±0.07V | 2.00±0.05V | |
| Over discharge detection delay time | 1~2S | 1~2S | ||
| Over discharge release voltage | 3.0±0.1V | 2.7±0.05V | ||
| Over current protection | Over current detection voltage | 0.2±0.015V | ||
| Over current detection current | 18±3a(can adjust) | |||
| Detection delay time | 5~60ms | |||
| Release condition | Cut load | |||
| Short protection | Detection condition | Exterior short circuit | ||
| Detection delay time | 200-800us | |||
| Release condition | Cut load | |||
| Resistance | Protection circuitry (MOSFET)B- to P- | ≤20mΩ | ||
| Temperature protection | Charge temperature protection | 60ºC±5ºC | ||
| Charge release temperature | 50ºC±5ºC | |||
| Discharge temperature protection | 65ºC±5ºC | |||
| Discharge release temperature | 55ºC±5ºC | |||
| Operating Temperature Range | -40~+85ºC | |||
| Storage Temperature Range | -40~+125ºC | |||
| Dimension | L100*W60*T4mm | |||
| B+:Battery+ |  | |||
| B-:Battery- | ||||
| R25:SMBD | ||||
| R30:SMBC | ||||
| RT1:NTC | ||||
D6,D7,D8,D9,D10: LED Power Display | ||||
SW1:Battery Display Button | ||||
| P+:Charge+/discharge+ | ||||
| P-:Charge-/discharge- | ||||
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