When the battery goes over voltage does the unit move the power to a lower voltage battery or does it just dissipate the power in the heat sink?

No, it dissipates power from the higher battery.

Can this be used to balance my 24v lithium battery that is made up of 8 x 3.2v series-connected cells?

No. This is for balancing 12v batteries in series that already have their own BMS.

Do connect the 4battery bank with the 4/0 cable (I use 4/0 ) or do you connect with 18 awg wire, which is min. spec. of wire connect battery balancer?

Hi, the 4/0 won't fit in the Battery Balancer's connectors. Also, the current that will flow in it does not justify the use of a 4/0AWG wire. I'd go with Victron's recommendation : 18AWG

Will this protect both the starting (lead acid) and an auxiliary lipo battery. will it protect the alternator?

The Battery Balancer equalizes the state of charge of two series connected 12V batteries, or of several parallel strings of series connected batteries. When the charge voltage of a 24V battery system increases to more than 27V, the Battery Balancer will turn on and compare the voltage over the two series connected batteries. The Battery Balancer will draw a current of up to 1A from the battery (or parallel connected batteries) with the highest voltage. The resulting charge current differential will ensure that all batteries will converge to the same state of charge. If needed, several balancers can be paralleled. A 48V battery bank can be balanced with three Battery Balancers.

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Victron Energy バッテリーバランサー

Product ID: 748576115

Details

ブランド
Victron Energy
入力電圧
48 ボルト
商品の重量
0.24 キログラム
商品寸法 (長さx幅x高さ)
11.9 x 25.4 x
色
レッド

⚡Balances voltage across 2-series 12V batteries

🔄Supports parallel use for 48V battery banks

🔋Draws up to 1A current to equalize charge

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S$115

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Description

🔋 Keep your power flowing perfectly — because your gear deserves balance.

TRUSTED PERFORMANCE - Victron Energy quality with a 4.4-star rating from 500+ users.
COMPACT LIGHTWEIGHT - Sleek 0.24kg design fits seamlessly into any power setup.
SMART VOLTAGE ACTIVATION - Automatically activates above 27V to maintain perfect charge balance.
OPTIMIZE BATTERY LIFESPAN - Eliminates load imbalance to extend your battery bank’s life.
SCALABLE FOR LARGER SYSTEMS - Connect multiple balancers in parallel for 48V setups.

The Victron Energy Battery Balancer ensures equal charge distribution across series-connected 12V batteries by drawing up to 1A current when voltage exceeds 27V, preventing imbalance and extending battery life. It supports parallel configurations for 48V systems, is compact at 0.24kg, and is highly rated for reliable performance.

Specifications

ASIN	B01DH6B2D2
Amazon 売れ筋ランキング	車＆バイク - 322,680位 ( 車＆バイクの売れ筋ランキングを見る ) 車用バッテリー充電器 - 385位
GTIN (Global Trade Identification Number)	08719076020950
おすすめ度	4.4 5つ星のうち4.4 (513) var
カラー	レッド
メーカー名	Victron Energy
メーカー型番	BBA000100100
ユニット数	1.0 個
入力電圧	48 ボルト
出力電圧	48 ボルト
同梱商品	Victron バッテリーバランサー
商品の重量	0.24 キログラム
商品本体サイズ	11.9 x 25.4 x 28.7 cm
商品種別	Victron バッテリーバランサー
型番	BBA000100100
電源のタイプ	バッテリー駆動。

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