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Smart Li-ion BMS 25.9V PCM 7s 12A Battery PCM for Li-ion Battery Packs 7S26A PCB BMS 7S PCM 26A
Product name: Protection Circuit Module
Model No: PCM7S26A
For 7S lithium-ion/Lithium polymer/LiFePo4 battery packs
Cylindrical Lithium battery (Li-ion)
Prismatic Lithium Polymer battery (Li-Po)
Feature:
1.Protection Circuit Board for 25.9V 7S Li-ion and Li-polymer
battery pack;
2.BMS applies for Li-ion/Li-polymer battery in series;
3.To prevent the battery packs from overcharge,overdischarge,over
current, over temperature ,short circuit ;
4.With cell balance/equilibrium function;
5.Compatible with both Li-ion and Li-Polymer cells.
6.How balancing function works? after battery pack is fully charged. PCM will detect each cell's voltage and trim higher voltage down until other cells reach the same voltage level. Therefore, it helps cells have longer service life.
Specification(the criterion can be adjustable as custominzed):
| Model: PCM07025-V1.0 | ||
| PARAMETER | Criterion | |
| Voltage | Charging voltage | DC:29.4V CC/CV |
| Balance voltage for single cell | 4.125±0.025V | |
| Current | Balance current for single cell | 80±5mA |
| Current consumption | ≤25μA | |
| Maximal continuous charging current | 12A | |
| Maximal continuous Discharging current | 26A | |
| Over charge Protection | Over charge detection voltage for single cell | 4.25±0.025V |
| Over charge delay time | 800mS~1200mS | |
| Over charge release voltage for single cell | 4.15±0.05V | |
| Over discharge protection | Over discharge detection voltage for single cell | 2.80±0.03V |
| Over discharge detection delay time | 800~1200mS | |
| Over discharge release voltage for single cell | 3.0±0.025V | |
| Over current protection | Charge over-current protection | 13.33A±10% |
| Charge Over-Current Delay | 400~600mS | |
| Discharge over-current protection1 | 33.33A±10% | |
| Detection delay time1 | 700~1300mS | |
| Discharge over-current protection2 | 66.66A±20% | |
| Detection delay time2 | 70~130mS | |
| Release condition | Cut load,Automatic recovery | |
| Short protection | Detection condition | Exterior short circuit |
| Detection delay time | 160~240uS | |
| Release condition | Cut load,Automatic recovery | |
| Resistance | Protection circuitry(MOSFET) | ≤1.67mΩ |
| Temperature | Operating Temperature Range | -25～+70℃ |
| Storage Temperature Range | -40～+125℃ | |
| Charge Over Temperature | 48.5℃±5℃ | |
| Charge Under Temperature | -5℃±5℃ | |
| Discharge Over Temperature | 70℃±5℃ | |
| Discharge Under Temperature | -25℃±5℃ | |
7S12A PCM 7S26A 18650 Lipo Li-ion Lithium Battery Protection Board W Balance BMS PCB PCM Pack Common Port Circuit Board:
Function:
Detect and protect the battery from over-charge ,over-dicharge, over-current short-circuit
,temperature detecting protection and auotmatically voltage balance function .
Build with high end electronic components (High End IC and MOSFET )
,simple structure
design will let it have more stable quality working performance ,
Flexible application ( it can be used for less
series battery by leaving some connection pins at empty status
),full set of protection measures let it works well
without any infulence from external unexpected accidents.
About your products,just tell us the relative voltage/ cells/ current A or equipment etc,
we will help to recomment the most suitable products for you. or we design for you!
