Part / accessory · Rad Power Bikes

Rad Safe Shield Advanced External Battery (15 Ah)

verified 2026-10-13 Specs from Rad Power Bikes product page. Also known as: safe shield advanced external battery 15ah, safe shield advanced external 15 ah.

Specs

wh	680-720
capacity ah	14.4-15
mount	external (down tube)
certification	UL 2271
weight lb	10.4

Fits

e-bike battery Rad Power Bikes external (down-tube) battery - Safe Shield Advanced External 13 Ah / 15 Ah
Rad's removable external down-tube batteries; Rad lists both the 15 Ah and 13 Ah Safe Shield Advanced External for these 2020+ external-battery models.

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Good to know

Rad lists as NOT compatible with the external Safe Shield packs: RadCity Step-Thru 3, RadCity High-Step 4, and Rad models with a semi-integrated battery; the 15 Ah pack also excludes RadMini 2 Step-Thru and RadRover 1 Step-Thru, and the 13 Ah pack excludes Rad models made before 2019.
The Safe Shield Basic External 10 Ah is NOT in this interface: Rad lists it as incompatible with RadWagon 5 and RadRunner Plus (MY2025) and recommends it mainly for the RadMission.
CPSC warning (Nov 24, 2025): stop using Rad lithium-ion batteries model RP-1304, RAD-S1304Y and HL-RP-S1304, sold with RadWagon 4, RadCity HS 4, RadRover High Step 5, RadCity Step Thru 3, RadRover Step Thru 1, RadRunner 1/2, RadRunner Plus and RadExpand 5; the warning states Safe Shield and semi-integrated batteries are not subject to it.
Rad: Safe Shield batteries 'are compatible only with our updated Rad charger' - 'Do not use with older Rad Power Bikes chargers or any third-party or aftermarket chargers.'
Rad: 'Not for use on non-Rad Power Bikes branded ebikes.'

What does the Rad Safe Shield Advanced External Battery (15 Ah) work with?

11 models in the graph.

Rad Power Bikes RadExpand 5 Plus folding e-bike OEM verified
Rad lists it as standard equipment on the RadExpand 5 Plus.
Rad Power Bikes RadWagon 5 electric cargo bike OEM verified
Standard battery on the RadWagon 5 (15 Ah, 720 Wh).
Rad Power Bikes RadExpand 5 folding e-bike verified
Rad Power Bikes RadMini 4 High-Step folding e-bike verified
Rad Power Bikes RadMission 1 e-bike verified
Rad Power Bikes RadRover 5 High-Step fat-tire e-bike verified
Rad Power Bikes RadRunner 1 utility e-bike verified
Rad Power Bikes RadRunner 2 utility e-bike verified
Rad Power Bikes RadRunner Plus (original, pre-MY2025) verified
Rad Power Bikes RadTrike electric tricycle verified
Rad Power Bikes RadWagon 4 electric cargo bike verified

Informational only. Confirm with the manufacturer before buying or installing. Spotted a mistake? Report it.