A multi-pack battery passive equalization circuit
By introducing multiple sets of passive battery balancing circuits into CTB lithium batteries, and utilizing pulse or continuous balancing methods with balancing resistors, balancing transistors, and control chips, the problem of poor consistency in CTB lithium batteries is solved, improving battery safety and consistency. This technology is suitable for starting batteries in gasoline motorcycles, cars, and commercial vehicles.
CN224329229UActive Publication Date: 2026-06-05SHENZHEN CENT POWER TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN CENT POWER TECH
- Filing Date
- 2025-05-06
- Publication Date
- 2026-06-05
Smart Images

Figure CN224329229U_ABST
Abstract
The utility model discloses a kind of groups of battery passive equalization circuit, belong to battery module technical field.The groups of battery passive equalization circuit, including multiple series' electric core, with every the electric core series' passive equalization loop;The passive equalization loop includes equalization resistance, equalization triode and control chip, and the equalization resistance is connected in series with the equalization triode at the both ends of the electric core;The control chip is connected with the equalization triode and realizes the opening of the equalization triode.The utility model is based on the existing CTB technology's start lithium battery cannot be matched group, the problem such as poor consistency, according to vehicle characteristics, introduce the passive equalization scheme of the groups of battery passive equalization circuit of the utility model, can solve the problem of poor consistency, realize charging sustained equalization, charging or standing pulse equalization, avoid battery to appear safety hazard.
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