Tingen 103-304742 2XER18505M Battery Replacement
for Visonic MCS-740 Siren MCS-720B, FANSO 103-304742 (3.6V/16000mAh)
Price as of 2026-06-17. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$6–$12
- Mid-range:$12–$36← You are here
- Premium:$36+
Is This Right For You?
- •Buyers who prioritize quality over price in horns and sirens
- •Those who want a top-rated option — in the top 1% of horns and sirens by rating
- •You prefer well-established products — only 12 reviews, so the rating may still shift
- •RIGO Emergency Personal Alarm — 58% cheaper at $13 (Score A-)
📊 Based on data analysis of 161 products in this category.
Mubboo Score: C+
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other horns and sirens
Computed from live Amazon rating, review count, and price across 161 horns and sirens available to US consumers · last refreshed 2026-06-17.
How It Compares
This Product Tingen 103-304742 2XER18505M Battery Replacement | Most Popular KOSIN Personal Safety Alarm | Best Rated Taiker Personal Alarm | Best Value RIGO Emergency Personal Alarm | |
|---|---|---|---|---|
| Price | $30.58 | $17.99 | $24.35 | $12.99 |
| Rating | 5.0/5 | 4.6/5 | 4.7/5 | 4.5/5 |
| Reviews | 12 | 13,149 | 3,421 | 625 |
| Mubboo Score | C+ | A | B+ | A- |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Test the alarm upon arrival, as occasional units may not work; be mindful of accidental activation in bags, and confirm the loudness meets your expectations in a real-world test.
- Loudness
- Portability
- Ease of use
- Peace of mind
- Value
- Accidental activation
- Not loud enough for some
- Reliability defects
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Bottom Line
Tingen 103-304742 2XER18505M Battery Replacement earns Mubboo Score C+. Priced at $31 — a premium option, below the category average of $32. Rated 5.0/5 from 12+ reviews. Strong buy if: buyers who prioritize quality over price in horns and sirens, those who want a top-rated option. Skip if: you prefer well-established products — KOSIN Personal Safety Alarm (Score A, $18) may fit better.
Frequently Asked Questions
Is the Tingen 103-304742 2XER18505M Battery Replacement worth buying in 2026?
It earns a Mubboo Score of C+, with a 5.0/5 rating from 12 reviews — better than 100% of horns and sirens we track.
How much does the Tingen 103-304742 2XER18505M Battery Replacement cost?
It is currently $30.58 — premium-tier pricing for horns and sirens.
How does the 103-304742 2XER18505M Battery Replacement compare to other horns and sirens?
The category's most-reviewed alternative is the KOSIN Personal Safety Alarm (4.6/5, 13,149 reviews, $17.99). The 103-304742 2XER18505M Battery Replacement carries a Mubboo Score of C+ vs A.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-17) and may change.