Replacement 3.5 V Rechargeable Battery for 71000 A 71000 C
Welch Allyn
Diagnostic Equipment & AccessoriesRechargeable power-handle battery
Certifications
- Supplied as a component for use within regulated Welch Allyn diagnostic systems; regulatory conformity (e.g. CE/UKCA, IEC 60601 Series electrical safety) is assessed at the device/handle level.
- Nickel–cadmium rechargeable battery subject to applicable transport and hazardous materials regulations; users should follow local rules for handling and disposal of NiCd batteries.
- Supplied as a component for use within regulated Welch Allyn diagnostic systems; regulatory conformity (e.g. CE/UKCA, IEC 60601 Series electrical safety) is assessed at the device/handle level.
- Nickel–cadmium rechargeable battery subject to applicable transport and hazardous materials regulations; users should follow local rules for handling and disposal of NiCd batteries.
Rechargeable power-handle battery
Description
The Replacement 3.5 V Rechargeable Battery for 71000-A / 71000-C (Welch Allyn part 72300) is a nickel–cadmium (NiCd) rechargeable battery designed specifically for Welch Allyn 3.5 V wall and direct plug-in power handles. It is the OEM-style battery used in Welch Allyn 71000-A and 71000-C rechargeable handles (and other compatible 3.5 V rechargeable handles), restoring full cordless operation for otoscopes, ophthalmoscopes, retinoscopes and related 3.5 V instruments. The 72300 battery is a cylindrical, orange-lettered power-cell assembly engineered to meet Welch Allyn’s requirements for capacity, runtime and reliability in clinical environments.
Bnefits
- Direct replacement battery for Welch Allyn 71000-A and 71000-C 3.5 V rechargeable power handles, ensuring correct fit and performance.
- Nickel–cadmium chemistry designed for repeated charge–discharge cycles in demanding clinical use.
- Provides reliable power for 3.5 V Welch Allyn otoscopes, ophthalmoscopes, retinoscopes and other compatible instruments.
- Helps restore original runtime and brightness compared with depleted or ageing batteries.
- Re-usable, rechargeable design reduces the need for disposable primary cells and supports lower long-term running costs.
- OEM-style construction maintains handle balance and ergonomics that clinicians are accustomed to.
- Widely recognised part number (72300) makes sourcing and inventory management straightforward.
Indications
- Intended as a replacement rechargeable battery for Welch Allyn 3.5 V rechargeable power handles model 71000-A and 71000-C.
- Used to power 3.5 V Welch Allyn diagnostic instruments such as otoscopes, ophthalmoscopes, retinoscopes and similar devices designed for 3.5 V rechargeable handles.
- Suitable for clinical environments including GP surgeries, ENT practices, ophthalmology clinics, hospitals and urgent care centres where Welch Allyn 3.5 V handles are in routine use.
Composition
- Battery chemistry: Nickel–cadmium (NiCd) rechargeable cell assembly.
- Active materials: Nickel oxyhydroxide and cadmium-based electrodes with alkaline electrolyte.
- Cylindrical cell pack enclosed in a robust outer sleeve with identifying orange/white labelling (varies by market).
- Metal terminals integrated into the pack ends to interface with the internal contacts of Welch Allyn 3.5 V handles.
Formulation
- Battery type: Rechargeable NiCd battery for 3.5 V diagnostic power handles.
- Nominal voltage: 3.5 V.
- Typical capacity: approximately 800 mAh (varies slightly by batch and supplier).
- Form factor: Cylindrical pack sized to fit Welch Allyn 71000-A / 71000-C handle bores.
- Compatibility: 71000-A and 71000-C wall/direct plug-in rechargeable handles, and other compatible Welch Allyn 3.5 V rechargeable power handles as specified in device documentation.
- Charging: Intended for use with Welch Allyn charging systems designed for 3.5 V NiCd rechargeable handles (e.g. wall transformers / desk chargers compatible with 71000-A / 71000-C).
Packaging
- Supplied as a single rechargeable battery (one 72300 pack per unit).
- Individually packaged in protective manufacturer or distributor packaging to prevent mechanical damage in transit.
- Labelling includes Welch Allyn branding, part number 72300, nominal voltage (3.5 V), chemistry (NiCd) and basic identification as a rechargeable handle battery.
- Distributed by Medisave UK within their diagnostics/spares and accessories product ranges.
Usage
- Only trained personnel or clinicians familiar with Welch Allyn 3.5 V handles should replace the battery.
- Ensure the handle is disconnected from mains power and any charging source before battery replacement.
- Unscrew and open the handle according to the Welch Allyn instructions for use to access the internal battery compartment.
- Remove the existing 3.5 V rechargeable battery, noting its orientation inside the handle.
- Insert the new 72300 battery into the handle in the correct orientation, ensuring good contact with internal terminals.
- Reassemble and securely tighten the handle components.
- Place the handle on the appropriate Welch Allyn charger (wall transformer or desk charger compatible with 3.5 V handles) and allow the battery to fully charge before first use.
- After charging, test the handle with the connected instrument (otoscope, ophthalmoscope, etc.) to confirm normal illumination and operation.
- Follow Welch Allyn’s guidance on charging cycles to maximise battery life (e.g. avoid prolonged continuous overcharging beyond manufacturer recommendations).
- Do not attempt to open or modify the battery pack; it is not user-serviceable beyond normal installation and removal.
Contraindications
- Do not use this battery in devices that are not specified as compatible with Welch Allyn 3.5 V NiCd handle batteries (e.g. devices requiring different voltage, chemistry or size).
- Not suitable for use in non-rechargeable (primary cell) handles or in handles designed for lithium-ion battery packs.
- Do not install or use the battery if the casing is damaged, cracked, swollen or shows signs of leakage.
- Avoid use in environments where exposure to excessive heat, open flame or strong oxidising chemicals is possible.
- Use only with approved Welch Allyn chargers intended for 3.5 V NiCd rechargeable handles; using incompatible chargers can cause overheating or reduced battery life.
Adverse Effects
- If the battery is damaged and electrolyte leaks, contact with skin or eyes may cause irritation or chemical burns; flush with plenty of water and seek medical attention.
- Incorrect charging or short-circuiting can cause the battery to overheat, potentially leading to burns, fire or venting of gases.
- Improper disposal of NiCd batteries can contribute to environmental contamination due to cadmium content.
- A failing or inadequately charged battery may result in dim illumination or sudden power loss during examination, which could interfere with clinical assessments; routine checks of charge status are recommended.
Storage Conditions
- Store unused batteries in their original packaging in a cool, dry, well-ventilated environment.
- Avoid storage in high-temperature locations, direct sunlight or near heat sources, as excessive heat can shorten battery life.
- Keep away from moisture, corrosive vapours and conductive materials that could bridge the terminals.
- For long-term storage, follow general NiCd recommendations: moderate temperature, partial charge, and periodic top-up charging where practical, in line with institutional policy.
- Do not store batteries loose where they may contact metal objects and short-circuit.
- Keep out of reach of children and unauthorised personnel.
