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Li‑ion Replacement Battery – Wahl Designer Senior / Sterling 4 (3.7 V, 7000 mAh, RAC‑B)

৳120.00 ৳120.00
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01603-546830

Li‑ion Replacement Battery – Wahl Designer Senior / Sterling 4 (3.7 V, 7000 mAh, RAC‑B)


Key Features:

High-capacity 7000 mAh Li‑ion cell—offers extended runtime

Compact 3.7 V battery perfect for use in Wahl Designer Senior and Sterling 4 devices

Built-in protection circuit against overcharge, over-discharge, and short circuits

Direct-fit replacement for the original RAC‑B battery module

Meets high-quality standards (ISO, RoHS, UN38.3 certifications typical for Li‑ion cells) picclick.com +1 amazon.com +1 ehs.mit.edu +1 batteryuniversity.com +1 amazon.com


Specifications:

SpecificationValue
ChemistryLithium‑ion (rechargeable)
Nominal Voltage3.7 V
Fully Charged Voltage~4.2 V
Capacity7000 mAh
Energy Density~26 Wh (based on voltage × capacity)
Protection CircuitYes – overcharge/discharge & short circuit
Charging RequirementsUse standard 5 V USB or dedicated Li‑ion charger, cut-off at 4.2 V
DimensionsEquivalent to OEM RAC‑B pack
CertificationsTypically ISO, RoHS, UN38.3 en.wikipedia.org cs.sjtu.edu.cn +4 amazon.com +4 en.wikipedia.org +4

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