What Should I Know Before Buying a Laptop Battery Replacement?

Before buying a laptop battery replacement, confirm your laptop's exact model number and the part number printed on the original battery. Check the battery voltage, connector, physical dimensions, and compatibility list. Do not choose a battery based on appearance alone, because similar laptop models may use different batteries. Review the seller's warranty, return policy, and product specifications before ordering.

How Do I Find a Compatible Laptop Battery for My Device?

To find a compatible laptop battery, identify your laptop's full model number and the part number on the original battery. Compare these details with the replacement battery's compatibility list and specifications, including voltage, connector type, and dimensions. If you are unsure, contact customer support with your laptop model and original battery part number before placing an order.

Can I leave my laptop plugged in 24/7?

Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.

Why Is My Laptop Battery Not Charging?

A laptop battery may not charge because of a faulty AC adapter, damaged charging port, loose connection, temperature protection, battery-health settings, or a worn-out battery. Confirm that you are using a compatible charger and inspect the cable and port for visible damage. Restart the laptop and review the manufacturer's battery or charging settings. If the battery becomes unusually hot, swollen, or damaged, stop using it and seek professional assistance.

Are BatteryMall Laptop Batteries Reliable?

BatteryMall laptop batteries are designed with safety and reliability in mind. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating, helping protect the battery during normal use. They are also CE, FCC, and RoHS certified. For the best experience, choose a compatible laptop battery that matches your exact laptop model and original battery part number, and follow the installation and care instructions. BatteryMall also provides a 1-year warranty on KingSener batteries purchased from BatteryMall; see the Product Warranty page for details.

YC04C 31.08Wh Smart Door Lock Replacement Battery 7.4V 4200mAh

YC04C 4200mAh Replacement Battery For Smart Door Lock

$27.24 USD

Em estoque

Selecione a versão
YC03A【P-P+ P+P-】YC03B【C+C-P-P+】YC03E【P-P+C+C-】YC03F【P+P-C+P-P+】YC04A【P-P+ P+P-】YC04B【C+C- P-P+】YC04C【P- P+ C+ P+ P-】YC04E【P-P+C+C-】YC07HT【P+P-P+】

Local de envio: China Warehouse

Produtos relacionados a este item

Descrição Envio & Pagamento FAQ Avaliações

Replacement Battery Specification

Battery Model: YC04C
Capacity: 4200mAh
Voltage: 7.4V
PIN: P- P+ C+ P+ P-
Battery Type: Li-ion
Cell: Made in China, high quality guarantee
Color: Black
Condition: Replacement Battery (100% Brand New, 1-year warranty!)

Replace Part Number

YC04C

Compatible Smart Door Lock

For smart door locks that use a YC04C battery with matching voltage, connector and pin sequence. No specific lock brands or models are provided in the original product information.

Important Note: Verify that your original battery interface matches before ordering. The listed pin sequence is P- P+ C+ P+ P-; the battery model alone should not be used to determine connector compatibility.

Product Features

YC04C replacement battery for compatible smart door locks.
7.4V voltage and 4200mAh capacity; the product SKU lists a 31.08Wh energy rating.
Rechargeable lithium-ion battery technology.
Listed pin sequence: P- P+ C+ P+ P-.
Connector-matching information helps distinguish the required battery version.
Brand-new battery in a black finish with a 1-year warranty.

Why Choose This Battery

The YC04C smart door lock replacement battery is a 7.4V 4200mAh Li-ion option for locks using the matching battery interface. It offers a practical replacement for an aging battery, with the pin sequence clearly listed to help you compare your original battery before ordering.

Key Benefits

Identifiable model: YC04C reference for comparison with your existing battery.
Clear specifications: 7.4V voltage and 4200mAh capacity simplify selection.
Interface reference: P- P+ C+ P+ P- pin sequence is explicitly stated.
Rechargeable design: Li-ion technology for use with compatible charging equipment.
Warranty included: A 100% brand-new replacement battery with a 1-year warranty.

View more related batteries

Nota:

Esta não é uma lista completa nem inclui todos os modelos de laptops compatíveis. Você pode abrir a parte traseira do seu laptop para verificar o modelo original da bateria. Se tiver alguma dúvida sobre compatibilidade, entre em contato conosco online.

Garantia de Alta Qualidade

Nossos produtos de bateria são fabricados usando materiais de alta qualidade e tecnologia avançada para garantir estabilidade e confiabilidade.
O invólucro é feito de materiais duráveis, a placa principal adota tecnologia avançada e o núcleo da bateria é produzido com matérias-primas de alta qualidade para garantir que não será danificado após uso prolongado.
Nossos produtos são equipados com múltiplas tecnologias de proteção, como sobretensão, sobrecorrente e sobrecarga, para proteger efetivamente a segurança das baterias e equipamentos.

Métodos de envio

Métodos de Envio	Destino	Prazo Estimado	Custo de Envio	Impostos & Taxas
USPS / DHL	Estados Unidos	10-15 dias úteis	Grátis	Grátis
Canada Post	Canadá	10-15 dias úteis	Grátis	Grátis
Royal Mail / Yodel	Reino Unido	15-20 dias úteis	Grátis	Grátis
DHL	Alemanha	15-20 dias úteis	Grátis	Grátis
La Poste	França	15-20 dias úteis	Grátis	Grátis
Correios	Brasil	15-25 dias úteis	A partir de $6,99	Grátis
Transportadoras Locais	Sudeste / Leste Asiático	5-10 dias úteis	Grátis	Grátis
Transportadoras Locais	Resto da Europa	20-25 dias úteis	A partir de $5,99	Grátis
Transportadoras Locais	Emirados Árabes / Arábia Saudita / Israel	16-20 dias úteis	A partir de $7,99	Grátis

📦 Informações de Envio & Rastreamento

Procurando envio mais rápido? Oferecemos serviços de armazenamento local. Visite nossa página "Entrega Local" para itens disponíveis para envio imediato.

1. Como Rastrear Seu Pedido:
Escolha o link de rastreamento correspondente ao seu destino:

Europa & Américas: 17track.net/en
Oriente Médio: mena56.com
Ásia: 17exp.kingtrans.cn

Precisa de Ajuda?
Se você não conseguir encontrar seu pedido em nenhum dos sites acima, entre em contato conosco imediatamente.

📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310

🚚 Prazo Estimado de Entrega

(1) Envio da China:

Para Ásia: 5-20 dias úteis
Para América do Norte: 10-15 dias úteis
Para Europa/América do Sul: 15-20 dias úteis

(2) Envio de Armazéns Locais:

Do Armazém dos EUA: 3-5 dias úteis
Do Armazém Europeu: 2-10 dias úteis
Do Armazém Russo: 3-5 dias úteis

Observação: Os prazos de chegada exatos dependem do país específico e do processo aduaneiro.

⚠️ Informações de Impostos & Alfândega:

Os preços globais incluem taxas alfandegárias (alguns países exigem CPF/CNPJ). Consulte a fatura para custos específicos de envio. Manuseio especial é necessário se seu pacote for inspecionado.

Métodos de pagamento

PayPal

Pagamentos via PayPal, não é necessária conta do PayPal. O PayPal é seguro e gratuito para compradores.
Conta PayPal: Payment@batterymall.com
Nome da conta: ShenZhen KingSener Science and Technology Co., Ltd

Cartão de crédito ou débito

VISA, MasterCard, American Express, Maestro & Laser Card, Apple Pay, etc.
O PayPal nunca compartilha suas informações financeiras conosco.

WeChat Pay

Atualmente suporta apenas pagamento via código QR. Entre em contato com o atendimento ao cliente do WeChat e acesse o aplicativo WeChat para escanear o código QR e concluir o pagamento.

Google Pay

Pague com o Google Pay, mais prático e rápido.

Apple Pay

Se você usa um dispositivo Apple, pode usar o Apple Pay para pagar, mais prático e rápido.

Transferência bancária

Se você não puder usar os métodos de pagamento acima e o valor do pedido exceder HK$2000, entre em contato com nosso atendimento ao cliente para obter sua conta bancária e pague por transferência bancária.

Q&A

Quick FAQ:Laptop Battery Care & Troubleshooting

What Should I Know Before Buying a Laptop Battery Replacement?

A: Before buying a laptop battery replacement, confirm your laptop’s exact model number and the part number printed on the original battery. Check the battery voltage, connector, physical dimensions, and compatibility list. Do not choose a battery based on appearance alone, because similar laptop models may use different batteries. Review the seller’s warranty, return policy, and product specifications before ordering.
How Do I Find a Compatible Laptop Battery for My Device?

A: To find a compatible laptop battery, identify your laptop’s full model number and the part number on the original battery. Compare these details with the replacement battery’s compatibility list and specifications, including voltage, connector type, and dimensions. If you are unsure, contact customer support with your laptop model and original battery part number before placing an order.
Can I leave my laptop plugged in 24/7?

Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
Why Is My Laptop Battery Not Charging?

A: A laptop battery may not charge because of a faulty AC adapter, damaged charging port, loose connection, temperature protection, battery-health settings, or a worn-out battery. Confirm that you are using a compatible charger and inspect the cable and port for visible damage. Restart the laptop and review the manufacturer’s battery or charging settings. If the battery becomes unusually hot, swollen, or damaged, stop using it and seek professional assistance.
Are BatteryMall Laptop Batteries Reliable?

BatteryMall laptop batteries are designed with safety and reliability in mind. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating, helping protect the battery during normal use. They are also CE, FCC, and RoHS certified. For the best experience, choose a compatible laptop battery that matches your exact laptop model and original battery part number, and follow the installation and care instructions. BatteryMall also provides a 1-year warranty on KingSener batteries purchased from BatteryMall; see the Product Warranty page for details.