Rainbow Rain 4TH version 4A Smart Active Balancer: Multi-cell battery balancing
Meet the NEEY 4TH version 4A Smart Active Balancer—your battery's new best friend. Whether you're juggling Lifepo4, Li-ion, or LTO batteries, this gadget has got your back. It's all about keeping those cells in line, from 8S to 24S setups, because nobody likes a battery pack that's slacking.
Why you'll love it:
- First off, it's like a peacekeeper for your batteries, making sure charge is evenly spread (no favorites here).
- Plays nice with almost any battery type you throw at it—versatility is its middle name.
- And the best part? Sliding it into your current setup is a breeze. No PhD required.
Features
- Supports various battery types
- Wide voltage range compatibility
- 4th generation technology
- Multi-cell battery balancing
General specs
- Brand: Rainbow Rain
- Model: 4TH version 4A
- Seller: Joom
- ID: 674f1f2297a1bb016ea9b2bb
- Compatibility: Lifepo4, Li-ion, LTO
- Cell Configuration Support: 8S, 10S, 14S, 16S, 20S, 21S, 22S, 24S
- Technology Generation: 4th
- First listed by seller: 6/21/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$500.80
Last price update: 11/15/25
Out of stock
Price History for seller Joom
Shipping options
Delivery to 
United States
United States
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Rainbow Rain 4TH version 4A Multi-cell battery balancing
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|
| Brand | Rainbow Rain | LANPWR | Renogy | POWEROWL | Ontel | NOCO |
| Model | 4TH version 4A | RBC40D1S | FY1601 | BADAS-MC4 | GENIUS1 | |
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| Price | $500.80 | $362.49 | $179.99 | $29.99 | $14.98 | $29.95 |
| Seller | Joom | Gshopper | Amazon | Amazon | Amazon | Amazon |
| Update | November 14, 2025 | July 25, 2024 | November 20, 2025 | November 9, 2025 | November 9, 2025 | November 9, 2025 |
| item_weight | 12 ounces | 1.9 pounds | 15.2 ounces | |||
Smart Active Balancer
$500.80
Reviews
4.75
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