Replacement for original battery part number 300-03866. Battery voltage : 7.2v; capacity: 3700 mah, rechargeable pack. High capacity battery replacement easy to replace do it yourself that will clear/fix the low power alarm chirping alert.
Safe and reliable: products are ce certified, tested by manufacturer to match oem standard. Plug and play with the size same as original. Built with multiple circuit protection over-charging, short-circuit, high-temperature, and surge protection, high-quality.
specifications entrysyst:
- brand: Wirelessfinest
- part type: Battery
- connectivity technology: Wired
- control method: Touch
- recommended uses for product: Home Security
- installation type: Self-adhesive
- color: Green
- battery weight: 25.0
- alert type: Motion Only
- model number: 300-03866 Lcp500-4b
- batteries required: Yes
- power source type: Battery Powered
- voltage: 7.2
- upc: 850049440349
- package dimensions lxwxh: 5.16x3.27x1.26 Inches
- weight: 0.75 Pounds
general entrysyst:
- category: Home & Garden > Security > Door Entry Systems Intercoms
offer entrysyst:
- quantity: 1
- started: may 13, 2026
- availability: in stock
- options: ship-to-home
- sold #: 12
payments entrysyst:
- other
- wallet: paypal
- credit card: discover
seller entrysyst:
- # reviews: 683
- city: los angeles, california
- rating: 100.0%
shipping entrysyst:
- service: standard
- class: standard
- type: fixed
- transit: 3-9 days
returns entrysyst:
- time: 30 days
- paid by: seller
- policy: returns accepted
- method: money back
rating: 100.0% out of 100 based on 683 user ratings.
Grouped With:
- 850049440158: SECURITY BATTERY PANEL, Wirelessfinest
- 850049440332: TOOL BATTERY, Wirelessfinest