4S 4A BMS for 14.8V Li-ion Lipo battery packs PCM

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US $1-20 / Pieces | 1000 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Supply Ability
Supply Ability:
5000 Piece/Pieces per Day
Packaging & Delivery
Packaging Details
PE Bag/Inner white box/ Middle white box/Master Carton
SZ or HK
Lead Time :
7-10 days after receiving deposit
Product Description


 4A BMS for 4S cells Li-ion Lipo battery packs - 3S~4S (11.1V~14.8V)

VoltageCharging voltageDC:16.8V
Balance voltage for single cell/V
CurrentBalance current for single cell0mA
Low  Current consumption ≤30uA
Max continues charge current≤4A
Max continues discharge current   ≤4A
Over charge ProtectionOver charge detection voltage 4.25±0.025V
Over charge detection delay time 0.5~1.5S
Over charge release voltage 4.15±0.05V
Over discharge protectionOver discharge detection voltage 2.70±0.062V
Over discharge detection delay time 50~150ms
Over discharge release voltage 3.0±0.10V
Over current protectionOver current detection voltage 0.20±0.015V
Over current detection current 20±3A
Detection delay time 5~15mS
Short protectionDetection delay time 200~500uS
Detection condition Exterior short circuit

Release condition Cut short circuit
Interior resistanceMain loop electrify resistance ≤30
Operating temperatureOperating temperature range -40~+85
Storage temperatureStorage 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