BMS for 18.5V 5S 20A Li-ion and Li-polymer battery pack PCM

FOB Reference Price:Get Latest Price
US $1-30 / Piece | 1000 Piece/Pieces (Min. Order)
Supply Ability:
5000 Piece/Pieces per Day
SZ or HK
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Packaging & Delivery
Packaging Details
PE Bag/Inner white box/ Middle white box/Master Carton
Delivery Time
7-10 days after receiving deposit
Product Description

Protection circuit board for 5S cells Li-ion battery pack - 5S~9S (18.5V~33.3V)

VoltageCharging voltageDC:21V
Balance voltage for single cell4.20±0.025V
CurrentBalance current for single cell42±5mA
Low  Current consumption≤50uA
Max continues charge current≤5A
Max continues discharge current≤20A
Over charge ProtectionOver charge detection voltage4.20±0.025V
Over charge detection delay time0.7~1.3S
Over charge release voltage4.00±0.05V
Over discharge protection

Over discharge detection voltage2.75±0.05V
Over discharge detection delay time50~150ms
Over discharge release voltage2.95±0.025V
Over current protection

Over current detection voltage0.1±0.05V
Over current detection current50±10A
Detection delay time5~15mS
Short protectionDetection delay time200~500uS
Detection conditionExterior short circuit
Release conditionCut short circuit

Interior resistance

Main loop electrify resistance≤30
Operating temperature

Operating temperature range-40~+85
Storage temperature

Storage temperature range-40~+125



Our Services


1, OEM orders are available

 2, Superior quality and cost-performance ratio

 3, Tags, plugs and connectors are available

 4, We could design and produce the battery pack with plastic shell and assembly procession for customized configurations is available (we could design and develop Li-ion battery according to your product work performance & structure apprearance)

5, On time shipment and continuous after sales service

6, Samples for testing


Company Information




Ms. Icy Quan

Skype: jojo880313